The anatomy of the nervous system, from the standpoint of development and function . - behind thislamina is a portion of the telencephalic cavity which forms the anterior part of Cerebral aqueductCerebral peduncle, ,, Mesence bhalon Hypothalamus .v4j»5*^^^hfck-Epithalamus ? _Vjf\^J| Rife,Mombenccphalic isthmus CerebellumMetcnccphalonRhomboid fossa Myelencephalon Rhincnccphalon | Corpus striatum PonsLamina terminalis Spinal cord Fig. 16.—A median section of the brain of a mm. human embryo: 1, Optic recess; 2, ridgeformed by optic chi

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The anatomy of the nervous system, from the standpoint of development and function . - behind thislamina is a portion of the telencephalic cavity which forms the anterior part of Cerebral aqueductCerebral peduncle, ,, Mesence bhalon Hypothalamus .v4j»5*^^^hfck-Epithalamus ? _Vjf\^J| Rife,Mombenccphalic isthmus CerebellumMetcnccphalonRhomboid fossa Myelencephalon Rhincnccphalon | Corpus striatum PonsLamina terminalis Spinal cord Fig. 16.—A median section of the brain of a mm. human embryo: 1, Optic recess; 2, ridgeformed by optic chiasma; 3, optic chiasma; 4, infundibular recess. (His, Sobotta.) the third ventricle. The further development of these structures is readilytraced in Fig. 17, which represents the brain of a human fetus of the third 34 THE NERVOUS SYS1 I M month. The most striking feature of the brain at this stage is the great sizeattained by the cerebral hemispheres. The Diencephalon.—The three principal divisions of the diencephalon—the thalamus, epithalamus, and hypothalamus—faintly indicated in an embryo Thalamusi Pineal body {epithalamus) Diencephalon :Chorioid plexus Corpus striatumTelencephalon.; Cerebral peduncle! Cerebral aqueductMesencephalon

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectnervoussystem, bookye