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From Embryology

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  • ...f the human {{carotid body}} (carotid glomus, glomus caroticum, chromaffin body) a specialised chemoreceptor region that detects the oxygen composition of ...– carries visceral sensory information from the carotid sinus and carotid body.
    81 KB (13,504 words) - 08:00, 10 March 2020

Page text matches

  • =VII. Transverse section of the same body through the neck and shoulders at the level of the seventh cervical vertebr ...e which immediately precede and succeed it are taken from one and the same body. Here, as is evident, the superior surface is represented.
    8 KB (1,396 words) - 20:12, 31 October 2012
  • ...well developed, and without any external signs of disease. On opening the body on its ventral aspect we found the following conditions :— ...it crossed the arch of the aorta with the commencement of the subclavian, carotid, and innominate arteries, in that order from right to left.
    8 KB (1,357 words) - 06:46, 1 April 2020
  • ...risking the possibility of repeating some words, as "carotid artery", or "carotid aplasia" and the headings from our previous article about bilateral ICA abs ...(body length greater than 30 mm) than in developing non-humans of the same body size. Increased flow to the developing human brain relative to non-humans i
    11 KB (1,479 words) - 14:27, 2 February 2020
  • ...ne between the root of the mesentery and the upper portion of the Wolffian body. The various proliferations soon separate from the epithelium and unite to Ao, Aorta; ns, nephrostome; Sr, suprarenal body; vc, cardinal vein; wc, tubule of
    11 KB (1,721 words) - 09:57, 13 October 2016
  • * At the level of the body heart, liver, somite bulges and limb buds appear. ...cartilage<br>stapes, styloid process, lesser cornu of hyoid, upper part of body of hyoid bone
    6 KB (824 words) - 14:15, 5 October 2011
  • * At the level of the body heart, liver, somite bulges and limb buds appear. ...cartilage<br>stapes, styloid process, lesser cornu of hyoid, upper part of body of hyoid bone
    6 KB (844 words) - 10:51, 1 September 2011
  • divides into several. Thus, for instance, the left carotid artery not developed simultaneously. Thus, for instance, the left carotid artery
    19 KB (3,114 words) - 15:01, 20 October 2018
  • ...ion, can be analysed by transverse sections which mutually correspond. The body, which was of fine proportions and perfectly normal, was quite fresh, and w ...in observations on the living body. In the normal upright position of the body a plane section through the level of the teeth would pass through the secon
    16 KB (2,715 words) - 20:10, 31 October 2012
  • ...head was removed from the neck just below the larynx, and the rest of the body separated by a section through the nipples. The frontal section was so dire ...vein, which passes more obliquely, was removed with the other half of the body. Its end only is shown, at the point of entrance of the left subclavian vei
    13 KB (2,205 words) - 20:48, 31 October 2012
  • =VIII. Transverse section of the same body through the apices of the lungs and shoulderjoints at the level of the firs ...t is therefore unnecessary to mention anything further with regard to this body, as the essentials will be found with the explanation of Plate V.
    15 KB (2,670 words) - 20:16, 31 October 2012
  • ...ove the external occipital protuberance. The preparation was made from the body of a young man, which presented nothing abnormal. As the section in the pos ...ternal meatus offers, I must admit that the parts seen in the section of a body not thoroughly hardened, vary materially with their original position. It i
    9 KB (1,540 words) - 20:08, 31 October 2012
  • =The Nerve Supply to the Pituitary Body= ...ncts — the blood and nerve supply. Such has been true of the {{pituitary}} body.
    17 KB (2,753 words) - 11:43, 15 December 2019
  • ...late was about 1/4 inch thick, and its upper surface is shown, so that the body is viewed from above. The arteries were injected. The section passed just b ...ions it is shown that the antero-posterior and transverse diameters of the body differ but little.
    14 KB (2,425 words) - 20:19, 31 October 2012
  • * At the level of the body heart, liver, somite bulges and limb buds appear. ...cartilage<br>stapes, styloid process, lesser cornu of hyoid, upper part of body of hyoid bone
    7 KB (981 words) - 07:53, 15 October 2015
  • ...e cardinal veins, and from them it crosses the coelomic cavity between the body-wall and the gut- wall by the ductus Cuvieri (or superior vena cava), runni ...f the vessel which contains it. Actually, the purest arterial blood in the body is in a vein (pulmonary), and the foulest venous blood is in an artery (als
    17 KB (2,911 words) - 17:22, 26 April 2015
  • ...ty of the duct, the 'ductus thyreoideus," extends about 0.12 mm. above the body of the gland. ...of the gland. As the embryo grows the parathyroid and the ultmiobranchial body sink lower in the lateral lobe and the thyroid material comes to nearly sur
    25 KB (4,091 words) - 09:53, 27 March 2020
  • ...with fatty areolar tissue through which passed the facial nerve, external carotid artery and the post facial vein which usually course through the parotid su This was observed in the body of a middle-aged female. The gland and its duct were entirely absent on one
    4 KB (643 words) - 13:35, 30 July 2020
  • =VI. Transverse section of the same body through the neck at the level of the cricoid cartilage and sixth cervical v THIS plate is taken from a section of the same body as the last, and has been prepared in the usual manner.
    16 KB (2,677 words) - 14:43, 31 October 2012
  • Carotid gland * The mesonephros. Mesonephros, usually called Wolffian body
    5 KB (762 words) - 11:43, 23 October 2011
  • ...carrying the endocrine secretions with it. These can therefore affect the body as a whole, and they are of immense importance both during development and ...the body, and it has been said that it stands in the same relation to the body as the draught does to the fire. It plays an important part in the metamorp
    11 KB (1,818 words) - 16:59, 26 April 2015
  • The tumour was a large rounded cyst-like body wedged in behind the upper part of the manubrium sterni and immediately abo (a) it was longer than usual, rising to the body of the third thoracic vertebra;
    11 KB (1,829 words) - 10:43, 6 February 2020
  • # [[Book_-_A_Text-book_of_Embryology_5|CHAPTER V.]] The Formation of the Body-wall, of the Intestinal Canal, and of the Fetal Membranes ## The Formation op the Body-wall and of the Intestinal Canal op the Embryo
    9 KB (1,410 words) - 20:23, 18 April 2017
  • ...ght weeks' human embryo in the thoracic region. v. cartilaginous vertebral body ; li. intervertebral ligament ; ch. notochord.]] :tg. tongue ; mJc. Meckelian cartilage ; ml. body of malleus ; ml). inanubrium or handle of the malleus ; tjy. tegmen tympani
    24 KB (3,942 words) - 09:19, 20 June 2018
  • ...way above the eye-ear level. The hands extend further out in front of the body of the embryo, and the fingers of one hand may overlap those of the other. ...(1937 fig. 1).<ref>Boyd, J. D. 1937. The development of the human carotid body. Carnegie Instn. Wash. Publ. 479, Contrib. Embryoi, 26, 1-31.</ref>
    4 KB (653 words) - 15:34, 26 June 2019
  • ...circuit of this kind : a connector neuron and an exciter neuron. The cell-body of the exciter neuron may be in a sympathetic ganglion, or it may be by its ...inues forwards, accompany- ing the internal carotid artery as the internal carotid nerve. A branch of it (the deep petrosal) joins the palatine nerve (forming
    12 KB (2,005 words) - 13:34, 25 April 2015
  • ==Stage 17: 3 mm total body length== ...ient, neural tube closed but no differentiation of central nervous system, body elongated with back curve changing from convex to concave, myotomes evident
    10 KB (1,565 words) - 12:45, 29 April 2013
  • ...ich, however, never become raised or superficially differentiated from the body wall behind. Sagittal and coronal sections of the primitive pharynx (Figs. ...etween them and there comes in contact with the epithelial covering of the body (epiblast) which dips in to meet it. The membrane thus formed by the union
    34 KB (5,868 words) - 13:38, 27 January 2014
  • ...shows a transverse section of an 11-9mm. embryo at the region in which the carotid arteries are bent to conform with the flexure of the embryo. The arteries t ...At H.A. in the same figure a conspicuous branch is seen springing from the carotid and running medially and forward in this connective tissue between the deve
    18 KB (2,975 words) - 11:56, 6 February 2020
  • ...teries; and in type C, interruption occurs between the innominate and left carotid arteries.'' ...ed patients are known to develop increased arterial stiffness in the upper body, which worsens with time. We present results from simulations with a one-di
    10 KB (1,371 words) - 16:41, 3 July 2019
  • ...pment of the right auriculo-ventricular orifice, of its valves, and of the body or main part of the right ventricle (see fig. 2). ...which arises from it ; (5) the aortic arch between the origin of the left carotid and ductus arteriosus is reduced to a diameter of 3mm. (See description by
    6 KB (889 words) - 23:39, 9 March 2020
  • ...oid plexus enters inferior horn of lateral ventricle; coccygeal glomus (or body) = glomus coccyxgeum, associated with median sacral artery at coccyx, cf. g
    7 KB (961 words) - 14:22, 16 February 2013
  • ...amnion at its complete closure on the fourth day very closely invested the body of the chick; the true cavity of the amnion was at that time therefore very Both the vitelline arteries and veins now pass to and from the body of the chick as single trunks, assuming more and more the appearance of bei
    42 KB (7,394 words) - 08:29, 26 February 2019
  • ..., but it is not sufficient in organised bodies, even if one divided such a body into as many thin laminae as possible. In organised bodies oblique sections ...thalmic artery, and in the entirely divided skull which forms PI. Ill, the carotid artery and jugular vein were completely injected with different colours.
    12 KB (2,096 words) - 20:04, 31 October 2012
  • (Aortic arch III — carotid) also because of the fact that they are covered by a body flap, the
    27 KB (4,214 words) - 11:02, 17 April 2013
  • ...ral ends of the 2nd and 3rd arches, in which, as we have already seen, the body of the hyoid is developed. The glosso-pharyngeal, the nerve of the 3rd arch ...re is another thickening representing the lower parathyroid' or epithelial body, while the original mouth of the pocket has been drawn out to form a tubula
    28 KB (4,582 words) - 06:25, 31 December 2014
  • ...f the human {{carotid body}} (carotid glomus, glomus caroticum, chromaffin body) a specialised chemoreceptor region that detects the oxygen composition of ...– carries visceral sensory information from the carotid sinus and carotid body.
    81 KB (13,504 words) - 08:00, 10 March 2020
  • ...accounted for by the perfect segmental arrangement of this portion of the body throughout its development. ...ich appear before this set is formed and gives rise to the arteries of the body-walls. The first set is already well developed in embryos at the end of the
    16 KB (2,760 words) - 15:00, 16 February 2020
  • ...the outlet of the heart and the cervical and upper thoracic levels of the body. As this process continues, certain segments of the originally symmetrical ...vertebral column and its musculature, while the latter follows the lateral body wall, becoming in the thoracic region an intercostal artery. A series of lo
    29 KB (4,836 words) - 10:45, 31 January 2020
  • ...- chord; B.P. basilar plate; S. prepituitary part of sphenoid; D. dens; A. body of axis. ...ependent nucleus of chondrification, is also visible. C.A. is the internal carotid artery.
    25 KB (4,168 words) - 17:03, 7 December 2021
  • ...varying positions occupied by the chambers of the heart in relation to the body axes constitute a serious difficulty in describing the development. For ins ...carotid; the ventral ends of the first and second arches form the external carotid. The third arch on each side persists as the proximal portion of the intern
    56 KB (9,313 words) - 12:37, 23 July 2019
  • ...of the main artery. It passed in front of the vertebral artery behind the carotid sheath, and in front of the sympathetic cord. ...its origin a small branch which supplied the thymus gland. The left common carotid and left subclavian arteries arose, close together, from the summit of the
    25 KB (4,151 words) - 14:23, 4 March 2020
  • ...no neck at the ith week ; as in a fish, the head is fixed directly to the body. By the beginning of the 7th week (Fig. 43, p. 46) all traces of the branch ...ich, however, never become raised or superficially differentiated from the body wall behind (Fig. 251). Sagittal and coronal sections of the primitive phar
    30 KB (5,062 words) - 06:12, 31 December 2014
  • ...the buccopharyngeal membrane, the lefthand side descending into the embryo body. [[File:Stage13 B2 excerpt.gif]] Looping out of body wall ventrally (cut tangentially).
    24 KB (3,417 words) - 08:04, 26 August 2010
  • ...nted into a complete row of somites, from the front to the hind end of the body. There is no difference between the somites of the future head-region and t ...it is the 6th somite which gives rise to the most anterior myotome of the body.
    15 KB (2,535 words) - 16:49, 26 April 2015
  • ...paper by Benjamin Freeman Kingsbury (1872-1946) described ultimobranchial body that forms as an out-pocketing of the fourth pharyngeal pouch which fuses w ...lm.nih.gov/pubmed/?term=ultimobranchial+body Search PubMed ultimobranchial body]
    30 KB (4,601 words) - 10:42, 26 July 2020
  • ...on of female seen from the ventral side. b, bladder ; b d, bile-duct ; ca, carotid arch ; cl, cloaca ; da, dorsal aorta; gb, gall-bladder; h, heart; i, intest ...ngation of the original ventral aorta. The carotid then passes through the carotid gland (see p. 401) and ascends the 3rd visceral (ist branchial) arch until
    22 KB (3,717 words) - 11:51, 25 April 2015
  • [[Anatomy of the Human Body by Henry Gray|Gray's Anatomy]] (1918) describes the adult arteries: ...le:Gray0508.jpg|Fig. 508]]) arises from the posterior part of the external carotid, opposite the external maxillary, near the lower margin of the posterior be
    17 KB (2,754 words) - 10:25, 15 December 2018
  • ===Part 4. Developmental stages of body shape=== [[Atlas_of_the_Development_of_Man_1 - Part 4|Part 4. Developmental stages of body shape]]
    10 KB (1,414 words) - 13:45, 20 September 2016
  • ...sels into the embryo, but it is now generally held that the vessels in the body of the embryo originate from local mesodermal foci an.d secondarily link up ...in the ventral thoracic wall. It is probably due to failure of the lateral body folds to meet and fuse in this region.
    51 KB (8,240 words) - 15:29, 25 October 2018
  • ...i). The iliac veins arose by gradual extension of the CCVs into the caudal body region. Irrespective of the degree of mesonephric development, the infraren * internal carotid artery segmental agenesis - asymptomatic and harmless{{#pmid:27535626|PMID2
    7 KB (895 words) - 11:31, 16 June 2019
  • part of the left fourth, while the third parts persist as the carotid arteries, the fourth left as the aorta, the proximal portion of the right f ...ies below the other, appearing like a loop from it, and gives off the left carotid and subclavian, either as a simple trunk (left innominate) or as separate v
    28 KB (4,608 words) - 14:18, 19 February 2017
  • stapes, styloid process, lesser cornu of hyoid, upper part of body of hyoid bone | greater cornu of hyoid, lower part of body of hyoid bone
    15 KB (2,134 words) - 07:35, 2 September 2010
  • ...hrough either the pulmonary artery to the lungs or the aorta to supply the body. The pulmonary artery in amphibians also supplies the skin. ...ulmonary artery to the lungs, the left ventricle supplies the aorta to the body.
    13 KB (1,754 words) - 20:05, 17 August 2020
  • ...that the blood vessels of the head of the embryo are normal. The internal carotid arteries may be seen on PI. I, fig. 1, and these vessels could be traced th ...nd forebrain regions. This neural tissue was continuous laterally with the body ectoderm but bulged over it. A portion of the exposed tissue showed the str
    17 KB (2,764 words) - 14:48, 11 February 2020
  • While the heart is formed within the body of the embryo, the blood and the earliest blood-vessels have their origin i the body of the embryo. The wall of the yolk-sac, the
    60 KB (9,974 words) - 22:12, 29 October 2012
  • ...men the highest point of the arch lies 1 cm. below the upper border of the body of the first dorsal vertebra. and the left common carotid is the first branch of the arch (see figs. 1, 3).
    13 KB (2,166 words) - 13:13, 19 March 2018
  • '''Call–Exner body''' = small histologically [[Histology_Stains#Eosin|eosinophilic]] fluid-fil '''carotid '''G. ''karoein '' = to send to sleep, stupefy; compression of carotid arteries believed by Aristotle (c. 350 BC) to cause coma.
    17 KB (2,414 words) - 11:29, 13 July 2015
  • ...the gangliated cord (gr) in a fetus of 6 cm. X70. a, aorta; ch, chromaffin body of the ganglion; n, splanchnic nerve; pi, pleura; r, rib; v, vertebra. ...section through an intercostal space in a new-born child. X85. Chromaffin body (.ch) situated outside the capsule of a ganglion {gr) of the sympathetic co
    43 KB (6,813 words) - 13:35, 11 November 2018
  • * Body: {{heart}}, {{liver}}, umbilical, early upper {{limb}} bulge ...ural arteries (or channels). These arteries obtain their blood supply from carotid-vertebrobasilar anastomoses given by the trigeminal artery, the otic artery
    9 KB (1,189 words) - 17:55, 16 March 2020
  • ...which it is in contact, ventral to the ganglion nodosum and dorsal to the carotid artery (A.c). Its general shape is that of a hemisphere with its flat side ...of about onefourth of the posterior portion, lies ventro-laterally to the carotid artery and the vagus nerve. The caudal portion makes a rather sharp turn in
    37 KB (6,159 words) - 18:04, 15 December 2019
  • ...circulation of the head and its relation to the other blood-vessels of the body. * The trunk that persists as the internal carotid artery is already quite definite.
    8 KB (1,040 words) - 21:36, 22 February 2020
  • ...tion, the scales of reptiles are called corneoscutes. They cover the whole body including the limbs and head, and on the latter their arrangement does not ...into the head as the internal carotid arteries. In addition, however, the carotid arteries connect back with the systemic arches by what are really remnants
    22 KB (3,679 words) - 12:06, 25 April 2015
  • * Arch 3 - common carotid arteries, internal carotid arteries ** lesser cornu and superior body
    33 KB (4,626 words) - 14:17, 1 September 2010
  • ...the moderator band, which marks the junction of the bulbus cordis with the body of the right ventricle. When it is remembered that the ventricles arise fro ...ich the aortic arch is liable in man (Parsons). The separation of the left carotid from the innominate m man is due to the large size of the upper aperture of
    26 KB (4,287 words) - 13:36, 4 January 2015
  • ...innervation. This innervation forms the receptor element in the aortic and carotid sinus proprioceptive reflex arcs. The presence of such specialized pressor- ...gative findings. In view of the difficulty presented by denervation of the carotid sinus or aorta, however, this explanation does not seem easily acceptable.
    32 KB (5,098 words) - 11:20, 11 February 2020
  • * Cell-body * Carotid Gland (Glandula Carotica, Glomus Caroticum)
    13 KB (1,747 words) - 20:29, 12 January 2020
  • ...nt a short description of a case found in this laboratory. At the time the body came under our observa- tion, all parts except the chest had been dissected ...e aorta anterior and a little to the left of the origin of the left common carotid artery, and enters the fold of pericardium at its attachment just below the
    8 KB (1,234 words) - 05:25, 31 March 2020
  • * Body: heart, liver, umbilical cord, mesonephric ridge ...Sensory_-_Vision_Development|'''Vision''']] - (37 days) Growth of the lens body results in a D-shaped lens cavity. Perilental blood vessels (tunica vasculo
    12 KB (1,651 words) - 16:30, 26 February 2022
  • ...e clumps of vasofactive cells in the splanchnopleure ventral to the future body fold lateral to the third intersomitic groove and the fourth somite. These From the anterior curvature of the first aortic arches, the future internal carotid arteries were formed anteriorly a short distance to a position posterior to
    85 KB (13,353 words) - 12:19, 4 May 2019
  • ...ter death. Only the findings bearing on the subject are here included. The body is fairly well developed and nourished and weighs 47.7 kilograms. The finge ...ith the transverse portion gives rise to the right innominate, left common carotid and left subclavian arteries in the normal manner. Just beyond this latter
    10 KB (1,668 words) - 17:46, 3 March 2020
  • ...ing animals, also thought it erroneously to be present around the internal carotid of man. '''ribosome''' ribose + G. ''soma '' = body; small cytoplasmic particle containing ribonucleoprotein (G. Palade).
    6 KB (935 words) - 15:08, 31 January 2014
  • ...s (great wing), and sends back a process on the outer side of the internal carotid artery to come into contact with the cochlear capsule as noticed by Jacoby. * '''I.C.''' - internal carotid artery
    19 KB (3,243 words) - 22:28, 13 August 2020
  • Blood volume is usually expressed as a function of body surface or body weight in the adult. The fetus has no surface from which heat is lost and t ...8 hours after birth was found to vary between 144 and 173 cc. per kilogram body weight, averaging 156.4 cc. per kilogram,1 but no data are available for hu
    33 KB (5,628 words) - 17:40, 8 June 2019
  • ...e because the changes which it has undergone in the evolution of the human body are intimately connected with the formation of the pelvic floor. '''Fig. 108.''' The caudal end of the body in a human embryo of the 3rd week.
    13 KB (2,095 words) - 21:00, 22 May 2014
  • ...so developed the primordia of nearly all the organs and organ systems. The body is clearly divisible into head, trunk, and tail regions and the limb buds a ...The mandibular process, or primordium of the lower jaw, which is the main body of the first arch, lies posterior to the maxillary process, the primordium
    45 KB (7,337 words) - 14:24, 9 November 2017
  • ...scular endothelial cells, and some immune cells. Connective tissues in the body have a mesoderm origin, while in the head {{neural crest}} also contributes ...the main mass following the course of the internal jugular vein and common carotid artery.
    11 KB (1,523 words) - 10:02, 14 December 2019
  • * Arch 3 - common carotid arteries, internal carotid arteries ** lesser cornu and superior body
    36 KB (4,910 words) - 13:57, 25 July 2019
  • * Arch 3 - common carotid arteries, internal carotid arteries ** lesser cornu and superior body
    31 KB (4,179 words) - 09:48, 18 September 2018
  • ...read their branches throughout the human body, so also the ocean fills the body of the earth with an infinite number of veins of water.” (A, 55v.) ...B, 1, it is stated that the function of the veins is to convey heat to the body; veins in this case probably means bloodvessels, for they are contrasted wi
    36 KB (6,334 words) - 07:40, 25 March 2020
  • ...network of veins that sit in a cavity. The carotid siphon of the internal carotid artery, and cranial nerves III, IV, V (branches V1 and V2) and VI all pass Gray, Henry. [[Anatomy of the Human Body by Henry Gray|Anatomy of the Human Body]] Philadelphia: Lea & Febiger, 1918.
    17 KB (2,413 words) - 06:56, 10 December 2019
  • ...within the thyroid or upon its posterior border on one or both sides. This body has the corresponding parathyroid (parathyroid IV) frequently embedded in i ...e internal jugular. Thymus III extends down the outer border of the common carotid artery and the thyroid. After this stage the more rapid growth of the neck
    47 KB (7,825 words) - 22:31, 6 March 2017
  • ...r side of the alimentary canal, and projects downwards (or forwards in the body) with an inclination to the right side of the embryo. A, upper half of the body of a human embryo of three weeks, viewed from the abdominal side (from Cost
    60 KB (10,174 words) - 10:57, 8 June 2014
  • ...), and a cuticle. The function of hair is to prevent loss of heat from the body by radiation, for mammals are warm- blooded (homothermous). It also serves ...and thereby absorbs the latent heat required for this conversion from the body.
    47 KB (7,742 words) - 12:19, 25 April 2015
  • ...fundibular gland and possesses an inconstant knob near the junction of its body and duct. Behind the duct there is still to be seen Seessel's pocket; betwe ...elevations the lingual folds, and states that they form almost the entire body and tip of the tongue. The tuberculum impar is the source of the posterior
    40 KB (6,579 words) - 13:53, 2 August 2019
  • ...One polar body has been extruded before the egg is laid, the second polar body is pushed out after penetra- tion of the sperm, and the egg- and sperm-pron ...rates completely from the lateral plate, and the myotomes grow down in the body- wall lateral to the splanchnoccel to give rise to the muscles of the ventr
    43 KB (7,141 words) - 12:27, 25 April 2015
  • ** examples - aorta, brachiocephalic, common carotid, subclavian, vertebral, common iliac arteries. * extend from the '''atrioventricular node''', pierces the fibrous body, divides into left and right bundles, and travels, beneath the endocardium,
    14 KB (1,919 words) - 07:46, 20 April 2018
  • ...runks and lower limbs there is an abundant supply to the upper part of the body and head. ...ortic arches and their transformations. (Moditied from Kollmann.) External carotid
    23 KB (3,773 words) - 12:00, 1 July 2019
  • ...lthough the birds have evolved the habit of standing on two legs only, the body is still carried in a horizontal position. The mouth is toothless but borde ...mis (see p. 224), and are of different kinds in the various regions of the body. Those visible on the outer surface of the bird are called penna?, which in
    27 KB (4,588 words) - 12:10, 25 April 2015
  • ...in the limited confines of an egg shell or within the uterine cavity, the body of a young pig embryo is curled up on itself. This flexion of the spinal ax ...e body. Well-marked prominences in the lateral and ventral portions of the body-wall indicate the position of the heart, t^e liver, and the mesonephros (cf
    51 KB (8,059 words) - 19:08, 19 April 2017
  • ...seen as a distinct covering obscuring to a certain extent the view of the body of the chick beneath, and all traces of the junction of its folds are by th ...flexure has so much increased that the angle between the long axis of the body and that of the front segment of the head is an acute one.
    53 KB (8,926 words) - 08:31, 26 February 2019
  • * Body: heart, liver, umbilical cord, mesonephric ridge ** {{thyroid}} The lobes of the thyroid curve around the carotid arteries and are connected by a delicate isthmus. Lacunae "should not be co
    12 KB (1,583 words) - 16:47, 26 February 2022
  • * Arch 3 - common carotid arteries, internal carotid arteries ** lesser cornu and superior body
    29 KB (4,087 words) - 10:01, 29 August 2010
  • ...Seessel very definitely in the second day before the head flexed upon the body. ...al bodies of van Bemmelen, accessory thyroids of de Meuron, post-branchial body of Maurer, or as the corpus Y of the writer.™ In the mammals the main bul
    15 KB (2,448 words) - 14:29, 13 April 2020
  • ** examples - aorta, brachiocephalic, common carotid, subclavian, vertebral, common iliac arteries. * '''vena cava''' - the largest veins in the body, formed by the superior vena cava (SVC) and inferior vena cava (IVC).
    12 KB (1,663 words) - 10:48, 11 April 2017
  • Upon the body proper there are three marked elevations: two for the heart, and one for th The umbilical cord is large, and lies on the left side of the body, as described by Waldeyerl and by Janoiik.2 In most embryos described it li
    38 KB (6,441 words) - 13:32, 10 August 2018
  • ...ayer of the hyaloid membrane. The hyaloid membra^ie surrounds the vitreous body and these fibers, the writer believes, to be elongated fibers of Mueller, w ...curvature. It lies in a depression m the anterior surface of the vitreous body. This depression is known as the fossae Patellaris (dishlike depression) an
    58 KB (10,356 words) - 10:41, 12 September 2012
  • The dogfish possesses an elongated body with a distinct head and tail, the latter provided with a tail-fin of which The body is covered all over with small sharp spikes, with the points directed backw
    38 KB (6,045 words) - 11:38, 25 April 2015
  • ...spermatozoon, in contrast to the female reproductive cell, is a v&y minute body of microscopic size. It consists of an elongate head and a long, slender, f ...embryo has been proposed as a mark of identification, the flexures of the body make this standard impracticable. The remaining alternative is to select so
    73 KB (11,809 words) - 14:19, 9 November 2017
  • =Section III. Of the Veins of the Body= § 1533. The veins of the body generally unite in three large trunks,
    72 KB (11,649 words) - 14:47, 20 October 2018
  • ...ribed one hundred and ninety experiments for determining what parts of the body possess "irritability"--that is, the property of contracting when stimulate ...but he added much to the anatomical knowledge of several structures of the body, notably as to the structure of cartilages and joints.
    25 KB (4,135 words) - 11:38, 16 November 2015
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