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...arteries P; by nerves which enter the eyeball in a circle surrounding the nerve; by the vena vortacosa, four or five of which leave the eyeball just back o ...to the sclerotic. Two of the interjial branches may be seen near the optic nerve in Fig. 23, the final destination of the anterior branches being the ciliar

...ak of several centres, one corresponding to each of the 7th, 9th, and 10th cranial nerves. Each of these segmental centres in Raia has a degree of autonomy of ...c (myotomic) muscles innervated by somatic efferent fibres through ventral nerve-roots in the region of the neck and trunk. Nevertheless, the " respiratory

which we may call the nerve-rudiments, are, as appears from the description above, that the nerve-rudiments have at this

the fifth and seventh cranial nerve ganglia. As the neural folds come together, this sense plate remains distin contain the ninth and tenth cranial nerve ganglia and represent the

...man_Stage22_spinal_cord.html?zoom=6&lat=-7776.5&lon=6593.5&layers=B spinal nerve] Note the still open cranial (top) and caudal (bottom) neuropores. These are the last parts of the tube

The majority of investigators on this subject have made use of the cranial nerves as a means of determining the number of segments of the primitive br * Marshall states that the IV nerve possesses a sensory branch in Selachians and Amphibians. Gegenbaur notes th

...ion and a well-defined ventral root joins it, the two together forming the nerve-trunk. At the same time that the dorsal and ventral roots unite to form the Throughout the spinal region there is a tendency for the ad cent nerve-trunks to unite at the place where the lateral term; branches arise, and th

...330). Before the closure of the neuropores, in embryos of 2 to 2.5 mm. the cranial end of the neural tube has enlarged and is constricted at two points to for ...forms the dorsal and ventral gray commissures. In the ventral floor plate nerve fibers cross from both sides of the cord and form the ventral {anterior) wh

...able that these senseorgans of Froriep and Beard should suddenly leave the nerve-ganglia in certain regions and unite with glands. Both observations and pri ...aryngeal nerve ganglion ; XII., hypoglossal nerve ; nl, superior laryngeal nerve.

...vesicle detached from the brain except for the few fibers of the parietal nerve. The lateral aspect of the thalamus, midbrain, and isthmus is a nearly smoo ...in the "peduncle" and emerges near the fovea isthmi. The nucleus of the IV nerve is in the isthmus. In the human brain there are no definite structures comp

...in the {{rat}} model. Note that this study is before the identification of nerve growth factor (NGF). =The Influence of Nerve Fibers upon Taste Buds during Embryonic Development=

...rk_Hill.jpg|90px|left]] This historic 1927 paper by describes the abnormal cranial human development. ..., and some fibers arising from them (white communicating branch). The vagus nerve, on both sides of the oesophagus (0) is not drawn. P, lungs; T, trachea; R,

From the cranial end of the sac there is constricted off a small closed cavity which is freq ...sed to the peritoneum of the dorsal body wall. The s[)leen develops in the cranial portion of the great omentum; that stretch of the omentum extending between

** cranial neuropore closes before caudal * caudal failure - spina bifida cranial failure - anancephaly

...e next cell in the chain, and so on. Each link in the chain, that is, each nerve cell with its processes, is called a neuron. ...ture of ‘‘contacts” sufficiently intimate to permit the passage of a nerve impulse, but not ordinarily involving structural continuity of the cell pro

* third cranial nerve ({{CN III}}) oculomotor nerve supplies - superior rectus, medial rectus, inferior rectus, and inferior ob * fourth cranial nerve ({{CN IV}}) trochlear nerve supplies - superior oblique

'''Modern Notes''' [[Neural - Cranial Nerve Development]] ...ds. It will not be possible to review all of the studies on the oculomotor nerve, and only references which are pertinent to the description will be mention

...es, while the dorsal walls become very thin. From the origin of the facial nerve to the origin of the pneumogastric, the walls of the dorsal half of the neu ==Cranial Nerves==

...and of nerve-fibers in connection with them; these fibers form the various nerve-tracts and commissures within the central nervous system and the system of ...addition on the part of other cells. The body of the neuroblast forms the nerve-cell, from which, later on, secondary processes arise constituting the dend

# The Eyeball and the Optic Nerve. # The Nerve Centres and Tracts.