Journal of comparative neurology . 18 ^ 7JR. 53 ILAII; c. 20 Ihiough tlu ceiitcT of tlu ubnoniial sinus tcnniiuilis, showiiifj; llu l; of sensory roots (not last sensory root) in section. Observe especially thelarge al)norinal sinus together with the rich vascular supply for the tissue immedi-ately surrounding it. Note also the dorsal and ventral swelling caused by thissinus and compare with photograph of the model (figs. 7 and 9). They show everyevidence of being expanded by the cerebro-spinal fluid. From this point caudadno nervous structures have developed in th
Journal of comparative neurology . 18 ^ 7JR. 53 ILAII; c. 20 Ihiough tlu ceiitcT of tlu ubnoniial sinus tcnniiuilis, showiiifj; llu l; of sensory roots (not last sensory root) in section. Observe especially thelarge al)norinal sinus together with the rich vascular supply for the tissue immedi-ately surrounding it. Note also the dorsal and ventral swelling caused by thissinus and compare with photograph of the model (figs. 7 and 9). They show everyevidence of being expanded by the cerebro-spinal fluid. From this point caudadno nervous structures have developed in the spinal cord. .Vlso from this pointcaudad the notochord gradually decreases in caliber. X 70. 21 to 23 represent three transverse sections taken through the extreme pos-terior, non-nervous, end of the spinal cord, which is composed solely of support-ing tissue and undifferentiated embryonic cells. Figure 21 is the most cephalic,and passes through the spinal cord a short distance behind the abnormal sinusterminalis (figs. 9 and 20, ). The spinal cord is sti
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Keywords: ., bookauthorw, bookcentury1900, bookdecade1910, booksubjectmedicine
