. The brain from ape to man; a contribution to the study of the evolution and development of the human brain. Brain; Evolution; Pongidae. HG. l()(). BASE OF BRAIN OF xMACACUS RHESUS. jActiial Length 56 mm.] in the lo\\er primates, nor even in more closely allied species, such as Papio cynocephalus. The Oblongata. The oblongata, upon its ventral surface, presents a well-defined ventromedian sulcus, flanked upon either side by two pro- nounced elevations, the pyramids. These pyramids extend from their bases which are situated above, in relation with the lower border ol the pons Varolii, downward
. The brain from ape to man; a contribution to the study of the evolution and development of the human brain. Brain; Evolution; Pongidae. HG. l()(). BASE OF BRAIN OF xMACACUS RHESUS. jActiial Length 56 mm.] in the lo\\er primates, nor even in more closely allied species, such as Papio cynocephalus. The Oblongata. The oblongata, upon its ventral surface, presents a well-defined ventromedian sulcus, flanked upon either side by two pro- nounced elevations, the pyramids. These pyramids extend from their bases which are situated above, in relation with the lower border ol the pons Varolii, downward, and gradually attenuate to an apex, where many of the fibers pass inward and backward to form the pyramidal decussa- tion. Lateral to the pyramid, and separated from it by a well-defined sulcus, is the eminence produced by the inferior olivary nucleus. The sulcus separating this structure from the pyramid is the pre-olivary sulcus. Dorsally the olivary eminence is bounded by the pOst-olivary sulcus separating it from a rather faintly outlined elevation on the lateral surface,. 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
