| KF | Kenner-fecal medium; kidney function; Klippel-Feil [syndrome] |
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| LFS | lateral facet syndrome; Li-Fraumeni syndrome; limbic forebrain structure; liver function series |
| LSF | linear spread function; lymphocyte-stimulating factor |
| LVF | left ventricular failure; left ventricular function; left visual field; low-voltage fast; low-voltag... |
| MFO | medium frequency oscillator; mixed function oxidase |
| internal cerebral veins | Paired veins passing caudally near the midline in the tela choroidea of the third ventricle, formed by the union of the choroid vein, thalamostriate (terminal) vein, and vein of septum pellucidum, and uniting caudally so as to form the great cerebral vein. Synonym: venae cerebri internae, veins of Galen. (05 Mar 2000) |
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| occipital cerebral veins | The superior cerebral veins draining the occipital cortex and emptying into the superior sagittal sinus and the transverse sinus. Synonym: venae occipitales. (05 Mar 2000) |
| opening to cerebral aqueduct | Entrance to the cerebral aqueduct (of Sylvius) from the caudal part of the third ventricle. Synonym: aditus ad aqueductum cerebri, Bartholin's anus, opening to cerebral aqueduct. (05 Mar 2000) |
| toxoplasmosis, cerebral | Infection caused by the protozoan toxoplasma that presents itself in a subacute fashion with headache, focal neurologic signs, seizures, or altered mental status which can progress to coma. This condition is a commonly encountered opportunistic infection in aids patients. (12 Dec 1998) |
| extrapyramidal cerebral palsy | <neurology> A derangement marked by ceaseless occurrence of slow, sinuous, writhing movements, especially severe in the hands and performed involuntarily, it may occur after hemiplegia and is then known as posthemiplegic chorea. Synonym: mobile spasm. Origin: Gr. Athetos = not fixed (13 Nov 1997) |
| lateral cerebral fissure | The deepest and most prominent of the cortical fissures, extending from the anterior perforated substance first laterally at the deep incisure between the frontal and temporal lobes, then back and slightly upward over the lateral aspect of the cerebral hemisphere, with the superior temporal gyrus as its lower bank, the insula forming its greatly expanded floor. Two short side branches, the ramus anterior and ramus ascendens, divide the inferior frontal gyrus into an orbital part, triangular part, and opercular part. Synonym: sulcus lateralis cerebri, fissura cerebri lateralis, lateral cerebral fissure, sylvian fissure, fissure of Sylvius. (05 Mar 2000) |
| lateral cerebral fossa | The deep depression of the basal surface of the forebrain that corresponds in position to the anterior perforated substance. Bounded medially by the optic tract and rostrally by the orbital surface of the frontal lobe, it extends laterally around the overhanging pole of the temporal lobe into the Sylvian fissure (sulcus lateralis). Synonym: fossa lateralis cerebri, fossa of Sylvius, lateral fossa of brain, vallecula sylvii. (05 Mar 2000) |
| lateral cerebral sulcus | The deepest and most prominent of the cortical fissures, extending from the anterior perforated substance first laterally at the deep incisure between the frontal and temporal lobes, then back and slightly upward over the lateral aspect of the cerebral hemisphere, with the superior temporal gyrus as its lower bank, the insula forming its greatly expanded floor. Two short side branches, the ramus anterior and ramus ascendens, divide the inferior frontal gyrus into an orbital part, triangular part, and opercular part. Synonym: sulcus lateralis cerebri, fissura cerebri lateralis, lateral cerebral fissure, sylvian fissure, fissure of Sylvius. (05 Mar 2000) |
| layers of cerebral cortex | The outer portion of the brain, consisting of layersof nerve cells and the pathways that connect them. The cerebralcortex is the part of the brain in which thought processes take place.In Alzheimer's disease, nerve cells in the cerebral cortex die. (22 May 1997) |
| fusiform cells of cerebral cortex | Spindle-shaped cell's in the sixth layer of the cerebral cortex. (05 Mar 2000) |
| lunate cerebral sulcus | A small, inconstant semilunar groove on the cortical convexity near the occipital pole, marking the anterior border of the striate cortex (area 17) and considered homologous with the major sulcus of the same name that is a more constant feature of the cerebral cortex in monkeys and apes. Synonym: sulcus lunatus cerebri, ape fissure, lunate fissure, lunate sulcus, simian fissure. (05 Mar 2000) |