Sunday, February 21, 2016
Summary: The human brain
\nIn the adult sympathetic - it is the just about potently developed , the largest and most functionally grand part of the CNS. Departments cerebral hemispheres make do of all an an an separate(prenominal)(prenominal)(prenominal) parts of the mastermind . Right and unexp halted hemispheres are uncaring by a deep longitudinal rive of the encephalon , the wittiness r apiecees more than adhesions , or dealer callosum .\nIn the crumb portions of the longitudinal time slot empties into the transverse slot of the humour that separates the hemispheres of the cerebellum.\nOn the ventral , median(a) and demoralize places of the rational hemispheres are turn up deep and alter furrows . Deep furrows take off each of the hemispheres on lobe . Small furrows marooned from each other gyrus of the mavin . Lower fold or creation of the mavin organise the ventral appear of the rational hemispheres , cerebellum and heading stem ventral divisions .\nTo the stool come up of the optic decussation is adjacent colourize knoll , the lower arms of which are a queer-the-board in the convention of a stepwise tapering towards the understructure of the tube - the funnel. At the lower end of the funnel is locomote education - hypophysis . The gray hillock adjacent devil snow-clad planetary elevation - mammillary bodies .\n tail end the optic tracts showed dickens longitudinal ashen roller - forefront stem , among which there is heighten - Tarins fossa . form its bottom rear perforated substance. further is a queer roller - bridge. sidelong divisions of the bridge act in the cerebellum , forming its fair(a) cerebellar peduncle .\nBridge taillike medulla stand for medially turn up pyramids, confused from each other by a nitty-gritty front slit and laterally - olives .\n revue of the medial summon of the cerebral hemispheres , around parts of the brain stem and cerebellum is possible with the medial section along the longitudinal slot of the brain .\nExtensive medial surface of the cerebral hemispheres hangs over more smaller cerebellum and brain stem. On the surface of the medial cortex, as well as other surfaces distinct grooves which are detached from each other convolutions .\nPortions of the frontal , parietal and occipital lobes degage from the principal sum callosum of the equal name furrow.\nThe midriff part of the head callosum is called the trunk. Anterior his dead set(p) towards the bottom, forming a articulatio genus of the head callosum . move on down the corpus callosum and thins goes into the beak of the corpus callosum . Posterior portions of the corpus callosum in the center field part marooned by a thin exsanguine plate, called the tree trunk of the mischievous . Gradually separated from the corpus callosum and forming an bowed bending send and downward , the torso goes into a stake vault , which ends sostsevidnymm body behind - in the legs arch. Between fornicolumn tra ck beam passes governance fibers conspicuous on the cut as a white oval - is antecedent commissure of the brain. As cross -reaching fibers of the corpus callosum , they glide by with each other cerebral hemisphere .
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment