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Friday, December 7, 2012

Veins formed by cruel mother: dural venous sinuses

Veins formed by cruel mother: dural venous sinusesSeparates the two layers of harsh mother (the fibrous layer from the inner layer) consists vacuum between them padded sinus membrane and this being the venous blood, and the largest and Reid is intravenous upper middle superior sagittal sinus, which is important because his relationship to the conduct of the spinal fluid.
superior sagittal sinus:Starts from behind the perforated plate and walking back and grow in size gradually until it reaches the rear area Extrusion internal internal occipital protruberance, then Istdiraly right and right-wing vein browser right transverse sinus, which is located in the adherent layer cruel mother.
Lobes of the brain settles on the bones of the skull, which carries the same name as the lobe. For example: the frontal lobe on the front bone, and so on. Temporal lobe Istqraly temporal bone and the bone brushes because it is located in the middle cranial fossa, and his side of the home near the cavernous vein.
Over and above intersection is located Alasban Albesrian (optic chiasma) and this is important that we know.The bottom surface of the anterior lobe (frontal), it settles on a bone chip, which is part of the frontal bone (front) which is to be the roof of the eye socket. As well as the prefrontal settle on the younger wing of the bone brushesAny transfer front crater floor.The posterior lobe of the brain, it does not sit on the bone of him but the fold consisting of dura mater (dura mater), which separated from the cerebellum.
(Pons) is also present in the posterior cranial fossa is located on the bump (the clivus) being the back bone and bone brushes in front of the large hole.
Remember that cranial nerve III is the nerve center of the near, it feeds the ciliary muscle associated lens eye and shrinking to let the eye see things nearby accomodation, and muscle in the pupil that makes the pupil smaller constriction, and rectus internal medial rectus to focus Karti Alaannin place near, The muscle that raises eyebrows high to top.Remember when you are dreaming and you're sitting in the lesson (or lecture), the eyes focused on nothing and relax the muscles of your eyes.

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