. The brain from ape to man; a contribution to the study of the evolution and development of the human brain. Brain; Evolution; Pongidae. FIC;. 361 . \ ENTRAL SURFACE Ol- GKA^' MATTER OF BRAIN STEM, HOMO SAPIENS. Key to Diagram, cen. gray matter, Central Matter; hyp. nuc, Hypoglossal Nucleus; N3 nuc. Oculomotor Nucleus; superior olivary nic, Superior Olivary Nucleus; zon. Zona Inccrta. traced upward the \t'ntral I'xtcnsion diminishes m sv/.v and linaliy disap- pears, leaving only the upward continuation oftlie dorsal prolongation lying in close contact with the substantia gelatino
. The brain from ape to man; a contribution to the study of the evolution and development of the human brain. Brain; Evolution; Pongidae. FIC;. 361 . \ ENTRAL SURFACE Ol- GKA^' MATTER OF BRAIN STEM, HOMO SAPIENS. Key to Diagram, cen. gray matter, Central Matter; hyp. nuc, Hypoglossal Nucleus; N3 nuc. Oculomotor Nucleus; superior olivary nic, Superior Olivary Nucleus; zon. Zona Inccrta. traced upward the \t'ntral I'xtcnsion diminishes m sv/.v and linaliy disap- pears, leaving only the upward continuation oftlie dorsal prolongation lying in close contact with the substantia gelatinosa trigcmini. This thickens some- what, Ijeeomes irregular and then fenestrated by bundles ol white libers. The reticular formation lliudl\ becomes disposed as an irregular, more or less transverse mass of gray matter in close contact dorsally w ith the subepen- dymal gra\ matter of the lloor of the- fourth ventricle in w hieh may be lound channels produced b\- the longitudinal and transversely crossing i)undlcs of libers and containing many more or less well-delmed nuclear accumulations,. 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
