| free margin | Unattached edge of a sturcture, often opposite the attached edge. See: free border of nail, free border of ovary. Synonym: margo liber, free margin. (05 Mar 2000) |
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| free margin of eyelids | The unattached inferior edge of the upper lid and superior edge of the lower lid, where the anterior (cutaneous) surface of the eyelid meets the posterior (conjunctival) surface of the eyelid. The free margins of the eyelids bound the rima palpebrarum, and each free margin has an anterior and posterior border. See: borders of eyelids. (05 Mar 2000) |
| frontal margin | Edge of a bone which articulates with the frontal bone. See: frontal border of parietal bone, frontal border of sphenoid bone. Synonym: margo frontalis, frontal margin. (05 Mar 2000) |
| anterior cerebral artery | <anatomy, artery> One of the two terminal branches (with middle cerebral artery) of the internal carotid; it passes anterior, loops around the genu of the corpus callosum then posteriorly in the interhemispheric fissure along with its fellow of the opposite side, the two being joined by the anterior communicating artery; for descriptive purposes it is divided into two parts: the precommunical part (A2 segment of clinical terminology), supplying branches to the thalamus and corpus striatum, and the postcommunical part, (A2) or pericallosal artery, supplying branches to the cortex of the medial parts of the frontal and parietal lobes. Synonym: arteria cerebri anterior. (05 Mar 2000) |
| anterior cerebral vein | <anatomy, vein> A small vein that parallels the anterior cerebral artery and drains into the basal vein. Synonym: vena cerebri anterior. (05 Mar 2000) |
| arteries of cerebral haemorrhage | Numerous small branches from the sphenoidal part of the middle cerebral arteries supplying the lateral and anterior parts of the corpus striatum. Synonym: arteriae centrales anterolaterales, arteriae thalamostriatae anterolaterales, anterolateral central arteries, anterolateral striate arteries, anterolateral thalamostriate arteries, arteries of cerebral haemorrhage, lenticulostriate arteries. (05 Mar 2000) |
| ganglionic layer of cerebral cortex | Layer 5 of the cortex cerebri. (05 Mar 2000) |
| malaria, cerebral | A condition that is most commonly seen as a severe complication of malaria, falciparum mainly involving the brain. It has also been reported to occur as a result of infection with other plasmodium species. This disease is often fatal and presents as disturbances in consciousness ranging from somnolence to coma, major motor seizures, and organic psychosis. The onset may be gradual or sudden following a convulsion. (12 Dec 1998) |
| paroxysmal cerebral dysrhythmia | A diffusely abnormal electroencephalogram often seen with epilepsy. (05 Mar 2000) |
| medial cerebral surface | It faces, above as well as anterior and posterior to the corpus callosum, the falx cerebri; below it are the mesencephalon and the dura-covered medial wall of the middle cranial fossa. Synonym: facies medialis cerebri, medial cerebral surface. (05 Mar 2000) |
| cerebral | <anatomy> Of or pertaining of the cerebrum or the brain. (18 Nov 1997) |
| cerebral agraphia | The inability to express ideas in writing. Synonym: mental agraphia. (05 Mar 2000) |
| cerebral amyloid angiopathy | <pathology> A condition where there is a deposition of amyloid (insoluble protein) in the walls of the arteries which supply the brain. This results in an increased risk of dementia and-or intracerebral haemorrhage. Cerebral amyloidosis or cerebral amyloid angiopathy, is a complication of primary amyloidosis. Origin: Gr. Pathos = disease (27 Sep 1997) |
| cerebral amyloidosis | A condition where there is a deposition of amyloid (insoluble protein) in the walls of the arteries which supply the brain. This results in an increased risk of dementia and-or intracerebral haemorrhage. Cerebral amyloidosis or cerebral amyloid angiopathy, is a complication of primary amyloidosis. (27 Sep 1997) |
| cerebral aneurysm | A dilated and weakened portion of a cerebral blood vessel that is prone to rupture. A cerebral aneurysm may occur as a birth defect or develop as the result of long-standing poorly controlled hypertension. Symptoms of a ruptured cerebral aneurysm include a sudden, severe thunderclap headache that may be associated with nausea, vomiting and a decreased level of consciousness. (27 Sep 1997) |