. 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 xMYCETES SENICULUS =37 formation seems to be continuous with the matrix of gray matter from which develop the zona incerta of the diencephalon and also that of the less differ- entiated hypencephalic gray FIG. 130. DORSAL SURFACE OF THE GRAY MATTER OF THE BRAIN STEM, MYCETES SENICULUS. Key to Diagr-\m. inf. coll., Inferior Colliculus; nucl. ofburdach, Nucleus of Burdach; nucl. of deiters. Nucleus of Deiters; nucl. of coll, Nucleus


. 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 xMYCETES SENICULUS =37 formation seems to be continuous with the matrix of gray matter from which develop the zona incerta of the diencephalon and also that of the less differ- entiated hypencephalic gray FIG. 130. DORSAL SURFACE OF THE GRAY MATTER OF THE BRAIN STEM, MYCETES SENICULUS. Key to Diagr-\m. inf. coll., Inferior Colliculus; nucl. ofburdach, Nucleus of Burdach; nucl. of deiters. Nucleus of Deiters; nucl. of coll, Nucleus of GoII; ret. form., Reticular Formation; subst. gel. rolando. Substantia Gelatinosa of Rolando; sup. colliculus, Superior Colliculus; vent, Ventral Cochlear Nucleus. The Pontile Nuclei In reconstruction the pontile nuclei appear rather abruptly at the level of the trapezoid body. The nucleus is considerably more massive than in the Lemur mongoz and the Callithrix jacchus, and is tunnelled on both sides by the descending pyramidal and pallio-pontile tracts. This again produces the typical arrangeiiient of a lateral and mesial buttress, connected ventrally and dorsally by the superficial and the deep layer of the pontile nucleus. The simple arrangement of the nucleus as found in the Lemur mongoz and the marmoset now becomes somewhat more complicated w ith masses of nuclear. 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