Journal of comparative neurology . iCoiilnnnil frniii piiii, US) Ilif ;iiilirii)i- sictidii, li-iuri (17, piisscs tliroiijili t lie iinU^rior ; atits lii^ilusl i)()iiit, wliicli is a sliort (lislaiicc hcliiiid tli(^ nciiroporc. This ventri-cle has no (h)isal dilation suggestive of the fourth ventricle. What dilation occurs,is niedian and ventral. Cilia-like processes from the border of the cells enterthe cavity. I f (lie cpciidyiual cells are not secretory it is possible that the cere-bro-spinal lliiid ul does not differ from the serum of the adjacentveno-lymphati
Journal of comparative neurology . iCoiilnnnil frniii piiii, US) Ilif ;iiilirii)i- sictidii, li-iuri (17, piisscs tliroiijili t lie iinU^rior ; atits lii^ilusl i)()iiit, wliicli is a sliort (lislaiicc hcliiiid tli(^ nciiroporc. This ventri-cle has no (h)isal dilation suggestive of the fourth ventricle. What dilation occurs,is niedian and ventral. Cilia-like processes from the border of the cells enterthe cavity. I f (lie cpciidyiual cells are not secretory it is possible that the cere-bro-spinal lliiid ul does not differ from the serum of the adjacentveno-lymphatic siiuiscs. If nerve cells occur in this region they are small, andin ordinary i)reparat ions indistinguishable from ependymal cells. X 125. OS (50 microns behind figure 67. The large central canal of the eml)ryonicbrain has evidently become reduced in this region to a ventral central canal{) and a small dorsal isolated cavity {V 2.). This isolated dorsal cavity cannot be comi)ared with the fourth ventricle of higher vertebrat
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Keywords: ., bookauthorw, bookcentury1900, bookdecade1910, booksubjectmedicine
