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...ll form straightforward myotomes as in the trunk, but give rise to the eye-muscles ; and lastly, it is difficult to recognise the segmental nerves because the ...hese first three somites will become differentiated into the extrinsic eye-muscles, and they all lie in front of the auditory vesicle, for which reason they a

This laboratory concerns the development and differentiation of skeletal muscle, hypertrophy, fibre type differentiation and plasticity. After an in # Understand the origin, differentiation and development of skeletal muscle tissue.

The following elements make up the 11th dorsal segment: (1) Its skeletal basis; (2) Muscular element; (3) Eenal element; (4) Vessels; (5) Nerves; (6 ...ally found in the sterno-hyoid and -thyroid, complexus and trachelomastoid muscles are the only representatives of them in the cervical region.

* Cardiac muscle does not contain cells equivalent to the satellite cells of skeletal muscle. The sarcomere is the visible functional contractile unit within cardiac (and skeletal) muscle. The animation below shows the relative movement of the thick and t

e5.0: Bones; Skeletal system e5.2: Muscles; Muscular system

...System]] | [[Book - Comparative Embryology of the Vertebrates 4-15|15. The Skeletal System]] | [[Book - Comparative Embryology of the Vertebrates 4-16|16. The ==The Skeletal System==

...''' - contributes vertebral column (vertebra and IVD), dermis of the skin, skeletal muscle of body and limbs ...]] - closest to ectoderm, forms connective tissue of the body wall and the skeletal elements of the appendicular skeleton and sternum.

...is an introduction to the process of musculoskeletal development (bone and skeletal muscle) (b. In the body, this is mainly about '''mesoderm''' differentiatio ...com.wwwproxy1.library.unsw.edu.au/lib/unsw/reader.action?docID=2074364&ppg Skeletal System]

==The Striated or Voluntary Muscles== ...letal muscles, and (b) the muscles of the visceral arches or the branchial muscles.

...''' - contributes vertebral column (vertebra and IVD), dermis of the skin, skeletal muscle of body and limbs * dorsolateral - [[D#dermomyotome|dermomyotome]] forms dermis and skeletal muscle

...''' - contributes vertebral column (vertebra and IVD), dermis of the skin, skeletal muscle of body and limbs * dorsolateral - [[D#dermomyotome|dermomyotome]] forms dermis and skeletal muscle

The musculoskeletal system consists of skeletal muscle, bone, and cartilage and is mainly mesoderm in origin with some neur Skeletal muscle forms by fusion of mononucleated myoblasts to form mutinucleated myo

==Muscles== ...cle in the muscularis externa upper end, a transitional level, and then no skeletal muscle in the lower part. The majority of studies of oesophagus muscle deve

The skeletal shoulder consists of: the clavicle (collarbone), the scapula (shoulder blad The musculoskeletal system consists of skeletal muscle, bone, and cartilage and is mainly mesoderm in origin with some neur

==A. Outline of the Development of the Muscles and Nerves of the Inferior Extremity== ...the limb. At the same time the mesenchyme begins to be differentiated into skeletal, muscular and dermal regions. During the development of the limb it shifts

=Chapter IX The Fetal Muscles= ...hough it is diHicult to make physiologic studies on the earliest embryonal muscles in vivo, it has been possible to obtain growth from small pieces of muscle

=Chapter XXI. The Mesothelial Muscles= ...roups; 1, the skeletal muscles ; 2, the branchial muscles ; 3, the cardiac muscles. The first are developed from the epithelial muscle plates, the origin of w

* Cardiac muscle does not contain cells equivalent to the satellite cells of skeletal muscle. ...ricles, are connected to the cardiac wall by chord tendineae and papillary muscles.

...oped extraocular, infrahyoid and suprahyoid muscles. Absence of the facial muscles that have been described to be present at this stage of development. * '''ventral body wall''' - rectus muscles reach the umbilicus.{{#pmid:26467243|PMID26467243}}

=Chapter XIII The Muscular and Skeletal Systems= ...ac, and skeletal. The mesoderm is the source of all? these, except for the muscles of the iris and those associated with the sweat glands.

...be is the initial multinucleated cell formed by fusion of myoblasts during skeletal muscle development. ...ot of the spinal cord. This would subsequently cause degeneration of those muscles- if you don't use it, you lose it

...tion) by Keith L. Moore and T.V.N Persaud - Moore & Persaud Chapter 15 the skeletal system The Skull is a unique skeletal structure in several ways: embryonic cellular origin (neural crest), form o

...oping joint (knee), surrounding the developing bone is cartilage, skeletal muscles and connective tissue of the limb. ...://www.path.uiowa.edu/cgi-bin-pub/vs/fpx_browse.cgi?cat=o_skeletal&div=nlm Skeletal system]

.... Many organs contain all 4 types of tissues e.g. skin (covering, packing, muscles, nerves). ...of type III collagen. Found in loose CT, around adipocytes, blood vessels, muscles and nerves. Seen also in haemopoietic and lymphatic tissues. Histologicall

...tion) by Keith L. Moore and T.V.N Persaud - Moore & Persaud Chapter 15 the skeletal system The Skull is a unique skeletal structure in several ways: embryonic cellular origin (neural crest), form o

* Cardiac muscle does not contain cells equivalent to the satellite cells of skeletal muscle. ...valves connective tissue bands attached on the other end to the papillary muscles.

=Chapter XI. The Morphogenesis of the Skeleton and Muscles= ==The Skeletal System ==

...ectively recognize the important opportunity this bone affords to estimate skeletal age across the prenatal to early adult lifespan. Current research is largel ...tudy, a ratio closer to 40%/60% is used based upon newborn CT and micro-CT skeletal image analyses. These changes in mineral bone composition may have signific

...f striated muscle fibers arranged to form definite bundles or muscles. The skeletal musculature is under the voluntary control of the central nervous system. ==The Skeletal Musculature==

...''' - contributes vertebral column (vertebra and IVD), dermis of the skin, skeletal muscle of body and limbs * dorsolateral - [[D#dermomyotome|dermomyotome]] forms dermis and skeletal muscle

...tion) by Keith L. Moore and T.V.N Persaud - Moore & Persaud Chapter 15 the skeletal system * Ventral muscles - flexors Dorsal muscles - extensors

These notes introduce the development of the eye muscles. The adult eye has contributions from several different embryonic layers ev ...}</ref> described the origin and development of the human extrinsic ocular muscles.

...were at first designed to move the branchial arches, became converted into muscles of deglutition. (a) A skeletal basis of cartilage ; (b) an aortic or vascular arcii ; (c) a larger nerve a

...ondition. The following elements make up the 11th dorsal segment : (1) Its skeletal basis ; (2) Muscular element ; (3) Renal element ; (4) Vessels ; (5) Nerves ...ally found in the sterno-hyoid and -thyroid, complexus and trachelomastoid muscles are the only representatives of them in the cervical region.

...ographs, A77ier. Journ. Anat. 1905, vol. 4, pp, 163, 265 ; vol, 6, p. 259 (muscles and nerves of lower extremity) ; ...syndactylous condition. The shoulder remains buried in the body wall ; the skeletal structures of the arm and thigh are the first to be differentiated ; those

...ction and movement. It is made up of multiple structures; bone, cartilage, skeletal, tendon, ligaments and joints. This project will be focusing on the fetal d Skeletal Muscle develops from a process known as myogenesis. Mesenchymal cells which

...ntral nervous system. The amount of simple physical growth is shown by the skeletal flexibility designed around the brain and spinal cord, which allows continu ...r of temporal activation patterns, whose association with specific sets of muscles varies across movements. Ground-stepping involves a limited number of activ

...caused by T-box gene mutations are characterized by heart problems and/or skeletal abnormalities of the hands and arms. ...the number of oxidative fibres. This shift in fibre composition results in muscles with slower myofiber contraction and relaxation, and also decreases whole-b

In the adult, the region where two skeletal bones meet and articulate is called a "{{joint}}", that are classified base ...layer of cartilage in this region. The musculoskeletal system consists of skeletal muscle, bone, and cartilage and is mainly mesoderm in origin with some neur

...bs and intercostals, that mechanically support respiration. In humans, the muscles of the diaphragm arise from somite level 3 to 5 (C3 to C5), which also corr ..., arising from the same segmental levels from which the diaphragm skeletal muscles arise, segmental levels C3 to C5.

...sue exist in the human body, the striated tissue, which forms the skeletal muscles and is under the control of the central nervous system, and the non-striate With the exception of the sphincter and dilator of the pupil and the muscles of the sudoriparous glands, which are formed from the ectoderm, all the non

...haryngeal muscle progenitor field, the embryonic origin of facial and neck muscles. * dorsolateral region - '''dermomyotome''' forms dermis and skeletal muscle

The primitive skeletal stiffening of the body is the notochord. In Amphioxus this extends to the e ...ars a median projection forming the " keel " or carina to which the flight muscles are attached. Analogous but not homologous keels are developed on the stern

'''Modern Notes:''' {{neural}} | {{skeletal muscle}} ...foetus is referred to by Frazer (5), who states that during the fifth week muscles are indicated in the form of pre-muscle masses in the mesenchyme, and that

...System]] | [[Book - Comparative Embryology of the Vertebrates 4-15|15. The Skeletal System]] | [[Book - Comparative Embryology of the Vertebrates 4-16|16. The ...s of cross striations in the form of light and dark transverse bands as in skeletal or striated muscle and cardiac muscle, or the transverse bands may be absen

...d muscle cells originate from and {{somites}} mesoderm, while the external muscles of mastication are derived from the unsegmented somitomeres. This current p ==Tongue Muscles==

** Generates trunk muscles, skeleton, dermis of skin, blood vessels, connective tissue ** dorsolateral - '''dermomyotome''' forms dermis and skeletal muscle

:(a) A skeletal basis of cartilage ; The history of the skeletal basis of the first arch (Meckel's cartilage) has been already traced ([[Boo

# To describe the histology of the lip and the tongue, including epithelia, muscles, glands, papillae and taste buds. ...so called "red margin" or vermillion border). Observe the orbicularis oris skeletal muscle; labial salivary glands (mucoserous glands; mostly serous in infant

...ral portion of the somite is called the dermamyotome that forms dermis and skeletal muscle, and the ventromedial portion is the sclerotome that forms vertebrae - A. differentiate into myotomes which give rise to skeletal muscle in trunk and limbs

** Generates trunk muscles, skeleton, dermis of skin, blood vessels, connective tissue ** dorsolateral - '''dermomyotome''' forms dermis and skeletal muscle

* Arch 1 - muscles of mastication, mylohyoid, tensor tympanic, ant. belly digastric * Arch 2 - muscles of facial expression, stapedius, stylohyoid, post. belly digastric

The wandering of the trapezius and the latissimus dorsi and also of muscles in the ahdominal wall was noted by Dr. Mall<ref>{{Ref-Mall1898}}Mall, Devel ...n birds and mammals myotome cells mix in the limb bud and give rise to the muscles. There is a diffuse entrance of cells from the myotomes but not of myotome

...hyme in the circumferential part of the disk, and finally union of the two skeletal elements by primitive cartilage. These experiments show conclusively that t ...ated the formation of normal joints in the hindlimbs of frogs in which the muscles had been paralysed by denervation. This observation in itself does not, how

...aw) and temporal bone, part of the {{skull}}. Both mastication and facial muscles are attached to the lower jaw. The earliest review of human embryonic and f ...layer of cartilage in this region. The musculoskeletal system consists of skeletal muscle, bone, and cartilage and is mainly mesoderm in origin with some neur

* Development of skeletal muscle * Important for patterning muscles - ventral muscles - flexors; Dorsal muscles - extensors

...e oral cavity by a hollow tube (auditory tube). In addition there are two muscles (tensor tympani and stapedius) formed from arch mesenchyme. (More? {{Pharyn ...cudostapedial joint and the insertions of the tensor tympani and stapedius muscles contain abundant elastic fibers; i.e., the elastic-fiber-mediated entheses.

The musculoskeletal system consists of skeletal muscle, bone, and cartilage and is mainly mesoderm in origin with some neur Skeletal muscle forms by fusion of mononucleated myoblasts to form mutinucleated myo

...''' - contributes vertebral column (vertebra and IVD), dermis of the skin, skeletal muscle of body and limbs * dorsolateral - dermomyotome forms dermis and skeletal muscle

...syndactylous condition. The shoulder remains buried in the body-wall ; the skeletal structures of the shoulder are the first to appear. The corresponding parts ...f the nerve cells to form the nerves, and of the muscle plates to form the muscles, grow in very early (see [[#Fig237|Fig. 237]]).

...tion) by Keith L. Moore and T.V.N Persaud - Moore & Persaud Chapter 15 the skeletal system (a) Skeletal muscle derived from somites, blocks of mesodermal cells

...o synovial cavities, fibrocartilaginous articular surfaces, and tootharing skeletal components. The temporomandibular nt is the only articulation which has bot One of the muscles acting upon the joint is the external pterygoid muscle, which is inserted o

.3. Somatic efferent. (Fibers ending on skeletal muscle). ...al and ventral terminal rami. The efferent fibers of these rami supply the muscles of the lateral and ventral body wall, and the afferent fibers end in the in

* Arch 1 - muscles of mastication, mylohyoid, tensor tympanic, ant. belly digastric * Arch 2 - muscles of facial expression, stapedius, stylohyoid, post. belly digastric

...thoracic, luinbar, sacral and coccygeal groups depends upon the nerves and skeletal structures related to the body segments in which the myotomes lie. ...s reached a length of 11 mm. and an age of five weeks. Hereafter segmental skeletal structures and spinal ganglia may be used as landmarks. The former present

...he upper jaw and the middle third of the upper lip (Fig. 2). It contains a skeletal basis of cartilage, formed by the trabeculae cranii (Figs. 135, 136, p. 168 ...ate (with the exception of the premaxillary part), the soft palate and its muscles, with the uvula, are formed by a horizontal plate which grows inwards from

...thoracic, luinbar, sacral and coccygeal groups depends upon the nerves and skeletal structures related to the body segments in which the myotomes lie. ...s reached a length of 11 mm. and an age of five weeks. Hereafter segmental skeletal structures and spinal ganglia may be used as landmarks. The former present

...ss, hairless, and entirely dependent on the mother’s milk for 4 weeks. Its skeletal development is comparable with that of a human embryo of the 4th month. On ...t which the young is born, the rate of post-natal growth or the pattern of skeletal development and dentition. The recent advances in the study of nutrition an

...the lamprey has no jaws. The organs of the head are protected by a special skeletal structure called the skull. ...yotomes of the first three segments, which are modified into so-called eye-muscles. The description given above applies to the paired eyes of all chordates ;

...is known as the mandibular arch associated with the development of the jaw muscles. This was first seen ventral to the ...inner layer of somite cells is thicker and will give rise to the skeletal muscles of

...of a developing joint (knee), surrounding the developing bone are skeletal muscles and connective tissue of the limb. ...://www.path.uiowa.edu/cgi-bin-pub/vs/fpx_browse.cgi?cat=o_skeletal&div=nlm Skeletal system]

...y (diaphragm, intercostals) and anti-gravity (those that hold you upright) muscles. ...5K encodes the inositol polyphosphate-5-phosphatase K, also known as SKIP (skeletal muscle and kidney enriched inositol phosphatase), which is highly expressed

...duced inside the cranium, and in relation to the somewhat variable general skeletal and endocrine changes which are sometimes associated with such pathological ...ally in the ox, as described by Nicolas and Dimitrowa (Fig. 284;. Striated muscles fibres have, moreover, been observed by Hammer in the epiphysis of a human

...lt rectus sheath as an intermediate tendon of the bilateral abdominal wall muscles. However, our interpretation of the rat fetus findings of Rizk and Adieb 7 ...wo of three specimens at 6 weeks (Fig. 2), the rectus abdominis, EO and 10 muscles were identified as independent muscle sheets at the level above the umbilic

* Arch 1 - muscles of mastication, mylohyoid, tensor tympani, ant. belly digastric * Arch 2 - muscles of facial expression, stylohyoid, stapedius, post. belly digastric

...nd in the vertebrates after it. The mesoderm gives rise to muscles, blood, skeletal and connective tissues, the excretory organs (at least in part) and usually

...that were unable to walk. Both were later found to have most of their leg muscles replaced with fat <ref name="PMID8326496"><pubmed>8326496</pubmed></ref> ...ung boy whose condition characterised by the hypertrophy of the boy's calf muscles <ref name="PMID16225184"/>

...are composed wholly of a membrane of connective tissue, without any ribs, muscles, or blood vessels as they are found in the adult. ...in mammalian embryos. With the growth of the ribs and the wandering of the muscles from the myotomes into the ventral wall of the embryo we have associated wi

....eblib.com.wwwproxy0.library.unsw.edu.au/patron/Read.aspx?p=2074364&pg=446 Skeletal System] * Generates trunk muscles, skeleton, dermis of skin, blood vessels, connective tissue

...nt and lateral body wall. The relation of these branches to the individual muscles is shown at a later stage in Fig. 85. In the same figure can be seen the lo ...a of individual muscles. As we do not have a metameric distribution of the muscles of a limb, we consequently do not have a true metameric distribution of the

...specific centers within the hypoglossal cell column for the various tongue muscles (Koska and J agita, ’03; Stuurman, ’16; and Berkelbach van der Sprenkel ...its terminal branches and innervates both the intrinsic and the extrinsic muscles of the tongue.

...k_Hill.jpg|90px|left]] This historic 1927 paper by Hewer describes fetal {{skeletal muscle}} development. '''Modern Notes:''' {{skeletal muscle}}

...''' - contributes vertebral column (vertebra and IVD), dermis of the skin, skeletal muscle of body and limbs * dorsolateral - [[D#dermomyotome|dermomyotome]] forms dermis and skeletal muscle

...consists of the protective case round the brain (neurocranium) and of the skeletal supports of the jaws (splanchnocranium). It is formed in all chordates from ...r bony fish or Teleostei, it is common to find that some of the rectus eye-muscles pass back into a tunnel beneath the brain-case ; the so-called eye- muscle-

...connected and on the motor side in a similar way with synergic systems of muscles. Each sensory and motor system of nerves has a local primary central statio ...d the cerebellum provides regulatory control of the action of the skeletal muscles. The dorsal thalamus is ancillary to the tectum and shows a very early stag

...rent mechanisms of differentiation. The musculoskeletal system consists of skeletal muscle, bone, and cartilage and is mainly mesoderm in origin with some neur Skeletal muscle forms by fusion of mononucleated myoblasts to form mutinucleated myo

| valign="bottom"|{{Skeletal stage 22 movie}} ...earlier Carnegie stage embryos: size, head/body proportions, brain, head, skeletal development.

...tion. The muscles of the body wall (see Fig. 362) are modified to form the muscles of expiration. Two parts of these are specially worthy of notice, because i ...he Lung and Respiratory Muscles of an Amphibian (Surinam toad) to show the Muscles out of which the Diaphragm is evolved. The lungs lie within the abdomen as

| '''Muscles''' | '''Skeletal'''

...utes jaw skeletal elements, connective tissues and tendons. The associated muscles derive mainly from cranial mesoderm. These components though will form diff * Arch 1 - muscles of mastication, mylohyoid, tensor tympanic, ant. belly digastric

...now no longer tenable. On the other hand the arrangement of the nerves and muscles, the evidence of development and comparative anatomy, indicate that it is c ...the trabeculae grow into the mesial nasal processes of which they form the skeletal basis and become transformed into the primitive cartilaginous septum of the

The muscular tissue or the Ml ss with the exception of the muscles of the iro and the Mhlwt nils of the sneat glands (pi^e 3GC) 11 demetl from ...rh retrogression ind seem to disappear enlttely giving n e to no permincni skeletal structures Hie first somite to appear is the first occipital and the succee

...us muscle and the anatomic relationships between these developing skeletal muscles and organs of the {{male}} and {{female}} reproductive tracts."

...houlder, of the heart, and of the diaphragm — and with the appearance of a skeletal element of the shoulder girdle which is present in certain fishes (dipnoi a ...(crest) has become enormously elongated and gives attachment to abdominal muscles, cutting ofi the fibres of insertion of the external oblique which form the

=The Origin and Development of the Human Extrinsic Ocular Muscles= ...anatomist than those that move the eyeball, yet, interestingly enough, few muscles have, during their evolution, remained more conservative. In all the verteb

The musculoskeletal system consists of skeletal muscle, bone, and cartilage and is mainly mesoderm in origin with some neur ...establishment of posterior identity and Shh expression, which results in a skeletal phenotype identical to Shh deficient limb buds. ... Our study uncovers esse

...that should impulses course over motor fibers they would be transferred to muscles at these primitive motor endings. Many of the peripheral nerve branches cou Skeletal muscle development is widespread and numerous motor nerve fibers can be see

...iscera. The lower abdominal viscera came to rest on the pelvic floor ; the muscles of the tail, which rise within the pelvis of pronograde mammals, were modif ...ilium and the external oblique have become modified for this purpose. The muscles of the abdominal wall not only support the abdominal viscera, and inaintain

...tremities. The feet and hands are usually composed of the normal number of skeletal elements, but generally appear to arise directly from the pelvic and should ===Skeletal and muscular systems===

* Stains nuclei deep blue, skeletal and smooth muscles red, collagen and mucin blue. * Striations in skeletal muscles also shows up much better in Masson’s trichrome than in hematoxylin and e