. The anatomy of the domestic animals. Veterinary anatomy. 782 NERVOUS SYSTEM OF THE HORSE base blends in front with tlie junction of the striae meduUares of the thalamus. Immediately under the i)(:)sterior part of the stalk is a short- transverse band of white matter, the posterior commissure of the cerebrum (Conmiissura aboralis cerebri). The pineal body is enclosed in a fibrous capsule from which numerous trabecute pass inwai'd, dividing the organ into spaces occupied by round epithelial cells of the same origin as the epeu- dyma of the ventricle. The mammillary body (Corpus mamniillare) is
. The anatomy of the domestic animals. Veterinary anatomy. 782 NERVOUS SYSTEM OF THE HORSE base blends in front with tlie junction of the striae meduUares of the thalamus. Immediately under the i)(:)sterior part of the stalk is a short- transverse band of white matter, the posterior commissure of the cerebrum (Conmiissura aboralis cerebri). The pineal body is enclosed in a fibrous capsule from which numerous trabecute pass inwai'd, dividing the organ into spaces occupied by round epithelial cells of the same origin as the epeu- dyma of the ventricle. The mammillary body (Corpus mamniillare) is a white, round elevation a little larger than a pea which projects ventrally at the anterior end of the median furrow of the interpeduncular fossa. While it is a single body in external form in the horse, S„ln,^^ rhiwil V, „ln,l linn, nf lalinil irntridv. Fig. 637.—Cross-section of Brain of Horse, Natural Size. Section passes through posterior part of third ventricle and is viewed from behind. 1, Longitudinal fissure; 2, hippocampus; 2\ fimbria; S, septum pellueidum; 4. lateral ventricle; 5, thalamus; 6, habenula; 7, third ventricle; 8, cerebral peduncle; 8', hypothalmus; 9, mammillar>- body; 10, h^-pophysis or pituitary body; It, piriform lobe; 12, ventral end of hippocampus: IS, amj'gdaloid nucleus. Between the upper parts of the taenise thalami is the chorioid plexus of the third ventricle, and above this are the internal cerebral veins. L'ontains a nucleus of s,vdx matter sections show that it is tlouble in structure ami on either side (Fig. (337). Three sets of fibers are connected with the mammillary body. The column of the fornix curves down in the lateral wall of the third vintrirlr body niid iiLiti\- nf the fibers end in it. A bimdle (Fasciculus thalamii-iiiaiiiiiiill:ii i-) dm^.illy :iiid backwiird from it into the anterior part of the thalamus, and a trart i lasriiuliis iicdiiiiiuln-iiuunmillaris) ext-ends back in the floor of the t
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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjectveterinaryanatomy
