Surgical anatomy : a treatise on human anatomy in its application to the practice of medicine and surgery . nsulse, running in about the same directionas the fissure of Rolando, divides it into an anterior and a posterior smaller fissures are seen between the convolutions of the island of Reil. The operculum is that portion of the hemisphere of the cerebrum formed bythe base of the inferior frontal convolution, the lower end of the ascending frontaland lower part of the ascending parietal convolution, and therefore immediatelyoverhangs the island of Reil. The latter is exter
Surgical anatomy : a treatise on human anatomy in its application to the practice of medicine and surgery . nsulse, running in about the same directionas the fissure of Rolando, divides it into an anterior and a posterior smaller fissures are seen between the convolutions of the island of Reil. The operculum is that portion of the hemisphere of the cerebrum formed bythe base of the inferior frontal convolution, the lower end of the ascending frontaland lower part of the ascending parietal convolution, and therefore immediatelyoverhangs the island of Reil. The latter is external to the corpus striatum, andits fissures accommodate some of the branches of the middle cerebral artery. Calloso-marginal Fissure.—Before attempting to trace the course of the fissureof Rolando, examine the inner surface of the hemisphere of the cerebrum andlocate a secondary fissure running above the corpus callosum. It lies midway PLATE Ascending limb of fissure of SylviusSinus circularis ReiliiAnterior limb offissure of Sylvius Operculum (elevated) Sulcus centralis insulae Sinus circularis Reil. Gyri operti of island of Reil Temporal lobe (depressed) ISLAND OF PLATE •altoso Marginal fiss. Parceto- ,.occipital flSS.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectanatomy, bookyear1901
