. The brain from ape to man; a contribution to the study of the evolution and development of the human brain. Brain; Evolution; Pongidae. RECONSTRUCTION OF CALLITHRIX JACCHUS 185 The main olivary nucleus appears as a small mass of nuclear material between the actual extremities of the accessory olives with which it fuses. It presents no FIG. 91. VENTRAL SURFACE OF THE GRAY MATTER OF THE BRAIN STEM, CALLITHRIX JACCHUS. Key to Diagram, inf. olive. Inferior Olive; lat. gen. body. Lateral Geniculate Body; pontile. Pontile Nuclei; ret. Reticular Formation; subst. nigra, Substant
. The brain from ape to man; a contribution to the study of the evolution and development of the human brain. Brain; Evolution; Pongidae. RECONSTRUCTION OF CALLITHRIX JACCHUS 185 The main olivary nucleus appears as a small mass of nuclear material between the actual extremities of the accessory olives with which it fuses. It presents no FIG. 91. VENTRAL SURFACE OF THE GRAY MATTER OF THE BRAIN STEM, CALLITHRIX JACCHUS. Key to Diagram, inf. olive. Inferior Olive; lat. gen. body. Lateral Geniculate Body; pontile. Pontile Nuclei; ret. Reticular Formation; subst. nigra, Substantia Nigra; vent, cochl., Ventral Cochlear Nucleus; v. G. C. and vent. cr. col., Ventral Gray Column. The Reticular Formation Reconstruction of the reticular formation reveals in general the same characteristics found in the lemur. It provides a matrix through which numerous fasciculi make their way. It is surrounded, except dorsally, by fiber masses passing upward or downward through the stem. Dorsally it comes into contact and merges with the subependymal gray matter which appears as the continuation of the central gray column. The reticular forma- tion originates as small masses of nuclear material appearing between the decussating bundles of the pyramidal tract, which, as these fibers are. 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
