. The brain from ape to man; a contribution to the study of the evolution and development of the human brain. Brain; Evolution; Pongidae. 2l8 THE LOWER PRIMATES accessory portions, , the ventral accessory olive (VO) and the dorsal accessory olive (DO). The significance of this increase I^oth in definition and size of the olivary body may be understood in relation to the animal's. FIG. I 20. MYCETES SENICULUS. LEVEL OF THE NUCLEUS AMBIGUUS. AMB, Nucleus Ambiguus; dt, Deiters' Nucleus; do, Dorsal Accessory Olive; cow. Dorsal Spinocerebellar Tract; hel, Spino-olivary Tract of Helweg; ICP, Inf
. The brain from ape to man; a contribution to the study of the evolution and development of the human brain. Brain; Evolution; Pongidae. 2l8 THE LOWER PRIMATES accessory portions, , the ventral accessory olive (VO) and the dorsal accessory olive (DO). The significance of this increase I^oth in definition and size of the olivary body may be understood in relation to the animal's. FIG. I 20. MYCETES SENICULUS. LEVEL OF THE NUCLEUS AMBIGUUS. AMB, Nucleus Ambiguus; dt, Deiters' Nucleus; do, Dorsal Accessory Olive; cow. Dorsal Spinocerebellar Tract; hel, Spino-olivary Tract of Helweg; ICP, Inferior Cerebellar Peduncle; 10, Inferior Olive; mf, Mesial Fillet; nhv. Hypoglossal Nucleus; nfs. Fasciculus Solitarius and Nucleus; nsc, Nucleus of Schwalbe; nr, Nucleus of Rolando; N12, Hypoglossal Nerve; pl, Posterior Longitudinal Fasciculus; pd, Predorsal Fas- ciculus; PY, Pyramid; ref. Reticular Formation; rst, Rubrospinal Tract; spt, Spinothalamic Tract; trd, Descending Trigeminal Tract; vo, Ventral Accessory Olive. [Accession No. 148. Section 155. Actual Size 13X6 mm.] need of more accurate coordination in the simultaneous movements of eyes, head and hands for the new motor attainments acc[uired in consequence of manual development. LEVEL OF THE NUCLEUS SUPPLYING MOTOR FIBERS TO THE LARYNX (fIG. I20) At this level, a noteworthy specialization appears in the more fixed por- tion of the brain stem which throughout the primate series, generally speak-. 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
