The anatomist's vade mecum : a system of human anatomy . and thelaminae of the cerebellum are supposed to be unfolded. t James Dubois, a celebrated professor of anatomy in Paris, where he suc-ceeded Vidius in 1550, although known much earlier by his works and dis-coveries, but particularly by his violence in the defence of Galen. His namewas latinised to Jacobus Sylvius. 408 CORPUS CALLOSUM. brain, terminating by each extremity at the fissure of Sylvius. Thesulcus between this convolution and the corpus callosum has beentermed, very imjiroperly, the ventricle of the corpus callosum, andsome lo
The anatomist's vade mecum : a system of human anatomy . and thelaminae of the cerebellum are supposed to be unfolded. t James Dubois, a celebrated professor of anatomy in Paris, where he suc-ceeded Vidius in 1550, although known much earlier by his works and dis-coveries, but particularly by his violence in the defence of Galen. His namewas latinised to Jacobus Sylvius. 408 CORPUS CALLOSUM. brain, terminating by each extremity at the fissure of Sylvius. Thesulcus between this convolution and the corpus callosum has beentermed, very imjiroperly, the ventricle of the corpus callosum, andsome longitudinal fibres (strife longitudinales laterales), which arebrought into view when the convolution is raised, were called byReil the covered band. If the upper part of each hemisphere beremoved to a level with the corpus callosum, a large expanse ofmedullary matter, surrounded by a zigzag line of grey substance cor-responding with the convolutions and sulci of the two hemispheres,will be seen; this is the centrum ovale inajus of Vieussens. Fig. 142.*. The Corpus callosum (callosus, hard) is a thick layer of medullaiyfibres passing transversely between the two hemispheres, and consti-tuting their great commissure (trabs cerebri, beam of the brain). Itis situated in the middle line of the centrum ovale majus, but nearer * A section of the brain showing the centrum ovale majus and corpuscallosum. 1, 1. The anterior lobes of the brain. 2, 2. The posterior , 3. The longitudinal fissure for the reception of the falx cerebri. 4, 4. Theroof of the lateral ventricles. 5, 5. The genu of the corpus callosum. 6. Itsbody, upon which the lineae transversse are seen. 7,7. The splenium corporiscallosi. 8. The raphe. 9,^9. The striae longitudinales laterales, or coveredbands of Reil. LATERAL VENTEICLES, 409 the anterior than the posterior part of the brain, and terminatesanteriorly in a rounded border (genu), which may be traced down-wards to the base of the brain in front of the commi
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