- sylvian fossa n, often cap 1st S a depression that forms in the lateral surface of each embryonic cerebral hemisphere during the third month of development and contains the insula at its bottom which is later covered by the operculum whose edges form the border of the sylvian fissure
* * *fossa of Sylvius 1. f. lateralis cerebri. 2. sulcus lateralis cerebri.
Medical dictionary. 2011.
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sylvian veins — veins of sylvian fossa see vena media superficialis cerebri … Medical dictionary
fossa — A depression usually more or less longitudinal in shape below the level of the surface of a part. [L. a trench or ditch] acetabular f. [TA] a depressed area in the floor of the acetabulum superior to the … Medical dictionary
fossa lateralis cerebri — [TA] lateral cerebral fossa: a depression, in fetal life, on the lateral surface of each cerebral hemisphere at the bottom of which lies the insula; later it is closed over by the operculum, the edges of which form the lateral sulcus. Called also … Medical dictionary
vena media superficialis cerebri — [TA] superficial middle cerebral vein: either of the two veins, one in each hemisphere, that drain the lateral surface of the cerebrum, follow the lateral cerebral fissure, and empty into the cavernous sinus; they are fed by the inferior and… … Medical dictionary
nervous system, human — ▪ anatomy Introduction system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… … Universalium
valve — 1. A fold of the lining membrane of a canal or other hollow organ serving to retard or prevent a reflux of fluid. 2. Any formation or reduplication of tissue, or flaplike structure … Medical dictionary
cistern — 1. [TA] Any cavity or enclosed space serving as a reservoir, especially for chyle, lymph, or cerebrospinal fluid. 2. An ultramicroscopic space occurring between the membranes of the flattened sacs of the endoplasmic reticulum … Medical dictionary
Sylvius — Jacobus (Jacques), French anatomist, 1478–1555. See caro quadrata sylvii, os sylvii. Le Böe, Franciscus (François), Dutch physician, anatomist, and physiologist, 1614–1672. See sylvian angle, sylvian aqueduct, sylvian fissure, sylvian line,… … Medical dictionary
List of anatomical topics — This page aims to list articles related to anatomy. This list is not necessarily complete or up to date if you see an article that should be here but isn t (or one that shouldn t be here but is), please update the page accordingly. NOTOC A… … Wikipedia
Fissure — A cleft or groove. A fissure can be normal or abnormal. A fissure in the cerebral cortex is a normal feature. It is a deep fold that involves the entire thickness of the brain wall. A fissure in the anus is distinctly abnormal. It is a painful… … Medical dictionary