Journal of comparative neurology . osterior fourth ventricle M., mesocoele or mesencephalic ventri- , cerebro-spinal fluid cle , sinus mesocalicus M., anterior portion of the mesoca?le , motor V root or sub-commissural canal of Nicholls 4V., fourth ventricle M., dorsal portion of the mesocoile , auditors ganglion or optocoel and posterior portion of , vagus root the optocoel of Nicholls PLATE 13 EXPLANATION OF FIGURES 67 to 69 Tliree transverse sections through the brain region of a 37 No blood vessels were seen in any of these sections, but the mem-bra
Journal of comparative neurology . osterior fourth ventricle M., mesocoele or mesencephalic ventri- , cerebro-spinal fluid cle , sinus mesocalicus M., anterior portion of the mesoca?le , motor V root or sub-commissural canal of Nicholls 4V., fourth ventricle M., dorsal portion of the mesocoile , auditors ganglion or optocoel and posterior portion of , vagus root the optocoel of Nicholls PLATE 13 EXPLANATION OF FIGURES 67 to 69 Tliree transverse sections through the brain region of a 37 No blood vessels were seen in any of these sections, but the mem-branous neural canal is surrounded on three sides by enormous veno-lymphaticsinuses, and the structure of the central nervous system is to a considerable extentmade up of rather coarse supporting tissue, making infiltration an easy methodfor nourishing the brain. Drawn with an Kdinger-Leitz drawing apparatus andreduced one-half in reproduction. {Continned on page 70)6S INAL CORD AND MEDULLA OF CYCLOSTOMES F. ALLEN PLATE 12.
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Keywords: ., bookauthorw, bookcentury1900, bookdecade1910, booksubjectmedicine
