. The brain from ape to man; a contribution to the study of the evolution and development of the human brain. Brain; Evolution; Pongidae. 6^8 THE HIGHER ANTHROPOIDS of the ncuraxis. Tlic p3'ramidal system (Py) appears more massive than in any of the primates. The decussation (Pyx) shows the fibers passing from a ventromesial position across the median line to a dorsolateral. FIG. 297. GORILLA. LE\ EL OF THE mUAMlUAL DECUSSATION. CB, Column of Burdach; CEN, Central Gray Mallir; c;g. Column of Goll; dt. Deiterso-spinal Tract; Dorsal Spinoccrclxllar Tract; cow, Ventral Spinocerebellar Tract
. The brain from ape to man; a contribution to the study of the evolution and development of the human brain. Brain; Evolution; Pongidae. 6^8 THE HIGHER ANTHROPOIDS of the ncuraxis. Tlic p3'ramidal system (Py) appears more massive than in any of the primates. The decussation (Pyx) shows the fibers passing from a ventromesial position across the median line to a dorsolateral. FIG. 297. GORILLA. LE\ EL OF THE mUAMlUAL DECUSSATION. CB, Column of Burdach; CEN, Central Gray Mallir; c;g. Column of Goll; dt. Deiterso-spinal Tract; Dorsal Spinoccrclxllar Tract; cow, Ventral Spinocerebellar Tract; hf;i., Spino-olivary Tract of Hclweg; NR, Nucleus of Rolando; pv, Pyramid; pvx. Pyramidal Decussation; rst. Rubrospinal Tract; spt, Spino- thalamic Tract; trd, Descending Trigeminal Tract; \ i-.\, Ventral Gniy Column; xpi. Crossed Pyramidal Tract. (Accession J. D. Section 100. Actual Size 13X9 mm.| position on tiie opposite side. Tlie decussating fibers separate the central gray matter (Cen) from the \entral >j;ra\ niattt'r ( Ven). Passing through the reticuhir formation are some of thi' emi'rgmg hhers ol the ele\i'iith oi' spinal accessory ner\e. ScatttTcd through the dorsal portion ol the reticular. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Tilney, Frederick, 1875-1938; Riley, Henry Alsop, 1887-. New York, P. B. Hoeber, inc.
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbrain, booksubjectevo
