Reference > Anatomy of the Human Body > Page 830
Henry Gray (1825–1861).  Anatomy of the Human Body.  1918.
callosum. It is an irregularly curved cavity, triangular on transverse section, with a roof, a floor, and a medial wall. The roof is formed by the under surface of the corpus callosum; the floor by the following parts, enumerated in their order of position, from before backward: the caudate nucleus of the corpus striatum, the stria terminalis and the terminal vein, the lateral portion of the upper surface of the thalamus, the choroid plexus, and the lateral part of the fornix; the medial wall is the posterior part of the septum pellucidum, which separates it from the opposite ventricle.

FIG. 735– Drawing of a cast of the ventricular cavities, viewed from above. (Retzius.) (See enlarged image)

FIG. 736– Drawing of a cast of the ventricular cavities, viewed from the side. (Retzius.) (See enlarged image)

  The anterior cornu (cornu anterius; anterior horn; precornu) (Fig. 736) passes forward and lateralward, with a slight inclination downward, from the interventricular foramen into the frontal lobe, curving around the anterior end of the caudate nucleus. Its floor is formed by the upper surface of the reflected portion of the


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