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...nother elevated area which marks the position of the developing trigeminal nerve. '''Fig. 8.''' Section cranial to vitello-intestinal junction.

...e neural crest analogous to that occupied by the anlagen of the spinal and cranial ganglia. In the case of the retina this area, instead of becoming split off ...t layer to differentiate is the innermost layer of the retina, or layer of nerve fibers. This appears during the sixth or seventh week as a thin, clear, fai

...lly postnatally to describe the region of skin supplied by a single spinal nerve. ...' (Hensen's node, primitive knot) The small circular region located at the cranial end of the primitive streak, where gastrulation occurs, and is a controller

...the central nervous system is still very meager. Our newer conceptions of nerve-components and of the functional divisions of the peripheral nervous system ...toward the aorta, each, however, retaining connection with its respective nerve by a fibrous branch which becomes the communicating ramus. These ganglionic

...nd, the brain is distinguishable by its relatively larger lumen and by the cranial flexure over the anterior end of the notochord. The divisions between the t .... The third ganglion and placode produce the glossopharyngeal (IX) cranial nerve, and the

...ed to assign any function to it other than that of moistening the auditory nerve. It was Cotugno (1768) who first endeavored to show that the labjTinthine f ...uid required a more detailed knowledge of the soft parts of the labyrinth. Nerve-like cords and

...lfactory bulb and tract ; a striate area in which that great basal mass of nerve nuclei, known as the corpus striatum, will be developed ; and a pallial or ...given to the great afferent and efferent nerve-tracts which link the lower nerve centres to the cortex and the cortex to the lower centres.

...of synchondroses and skeletal bones. This paper reviews the development of cranial synchondroses, along with its regulation by the signaling pathways and tran ...ibuted to sclerotomes (area of bone which is innervated by a single spinal nerve level). ... This suggests that the mutation occurred after the formation of

...d. The sense-plate contains the material for the fifth and seventh cranial nerve ganglia, the giU-plate that for the ninth and tenth, while the posterior na ...region of the brain they give rise to the roots and ganglia of some of the cranial nerves, namely, the fifth, seventh, eighth, ninth, and tenth.

...ia, fine collateral branches arising from the intracapsular portion of the nerve process, having a recurrent course and ending beneath the capsule or on the ...e end discs may terminate at some distance from the cell body, even in the nerve trunk outside of the ganglion; (c) Mixed forms, with transitions between en

Superior mesenteric vein crossing cranial to body of pancreas. * '''Neural crest cells''' migrate into this tissue and will form the nerve plexus innervation (ectoderm).

...ventral to the recessus preopticus. These relations of the point X to the cranial and visceral ectoderm suggest that it represents the tip of the later to be between these two points being covered with cranial ectoderm. The brain of the 2-7 mm. embryo must accordingly in older embryos

...f the posterior commissure, and also with the nucleus of the third cranial nerve. ...t with cells situated close to the upper limit of the nucleus of the third nerve and the medial longitudinal bundle. It is diflicult to differentiate a def

...the central nervous system is still very meager. Our newer conceptions of nerve—components and of the functional divisions of the peripheral nervous syst ...toward the aorta, each, however, retaining connection with its respective nerve by a fibrous branch which becomes the communicating ramus. These ganglioni

.... Besides the lingual nerve, the chorda-tympani — the branch of the facial nerve which enters the mandibular arch — also supplies the buccal parts with se ...ready seen, the body of the hyoid is developed. The glosso-pharyngeal, the nerve of the 3rd arch, or more strictly of the 2nd cleft, supplies it. The V-shap

Superior mesenteric vein crossing cranial to body of pancreas. * '''Neural crest cells''' migrate into this tissue and will form the nerve plexus innervation (ectoderm).

...ferior orbital fissure and the posterior optic canal. These openings allow cranial nerves passageway. ...retina contains 2 types of photoreceptors which convert visible light into nerve impulses (rods and cones). Rods work best in low light environments while c

...ryngotracheal groove was described (Davis, 6) as a ventral angle beginning cranial to the fourth pharyngeal pouch and opposite the sinus venosus, terminating ...gnations. The incomplete somite immediately posterior to the tenth cranial nerve was counted as the first paired somite, and the last somite was considered

...ral and spinal ganglia and the main nerve trunks are shown. The oculomotor nerve begins to appear from the ventral wall of the mesencephalon. ...riep's ganglion may be seen the numerous root fascicles of the hypoglossal nerve, which take their origin along the ventro-lateral wall of the myelencephalo

The ventral anchoring of attachment site is at the most cranial extension of the septum transversum. This attachment now divides the intrae * Blue - vagus nerve branches (left and right). A 90 degree rotation (during week 7) brings the