| TIA | Transient Ischemic Attack; Temporary Interference with the blood supply to the brain |
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| ABI | ankle/brachial index; atherothrombotic brain infarct |
| AOBS | acute organic brain syndrome |
| BAQ | brain-age quotient |
| BBB | blood-brain barrier; blood buffer base; bundle-branch block |
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| bulb of posterior horn of lateral ventricle of brain | Bulb of posterior horn of lateral ventricle of the brain; a curved elevation on the inner wall of the posterior horn produced by the fibres of the forceps major of the corpus callosum as they bend backward into the occipital lobe. Synonym: bulb of posterior horn of lateral ventricle of brain. (05 Mar 2000) |
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| cancer, brain | Cancer of the central information processing centre of the body. Tumours in the brain can be malignant or benign and can occur at any age. Primary brain tumours initially form in the brain tissue. Secondary brain tumours are cancers that have spread to the brain tissue (metastasized) from elsewhere in the body. (12 Dec 1998) |
| visceral brain | Collective term denoting a heterogeneous array of brain structures at or near the edge (limbus) of the medial wall of the cerebral hemisphere, in particular the hippocampus, amygdala, and fornicate gyrus; the term is often used so as to include also the interconnections of these structures, as well as their connections with the septal area, the hypothalamus, and a medial zone of mesencephalic tegmentum. By way of the latter connections, the limbic system exerts an important influence upon the endocrine and autonomic motor system's; its functions also appear to affect motivational and mood states. Synonym: visceral brain. (05 Mar 2000) |
| medullary arteries of brain | Branches of the cortical artery's which penetrate to and supply the white matter of the cerebrum. (05 Mar 2000) |
| respirator brain | A swollen and congested brain with necrotic and autolytic changes seen in patients who have been on a respirator. (05 Mar 2000) |
| ring lesions in brain | <radiology> Hypodense, peripherally enhancing lesions, ** mnemonic: MAGIC DR., metastasis, abscess, glioma, granuloma, infarct, contusion, demyelination, resolving haematoma (12 Dec 1998) |
| metastatic brain tumour | A malignant growth in brain tissue that has spread from another primary cancer site (for example breast cancer, malignant melanoma, lung cancer) in the body. (27 Sep 1997) |
| gyral brain calcification | <radiology> Sturge-Weber-Dimitri syndrome, treated CNS lymphoma, post-meningoencephalitis, brain tumour (oligodendroglioma) (12 Dec 1998) |
| minimal brain dysfunction | An inability to control behaviour due to difficulty in processing neural stimuli. (12 Dec 1998) |
| compression of brain | Pressure upon the intracranial tissues by an effusion of blood or cerebrospinal fluid, an abscess, a neoplasm, a depressed fracture of the skull, or an oedema of the brain. Synonym: compression of brain. (05 Mar 2000) |
| contrecoup injury of brain | An injury occurring beneath the skull opposite to the area of impact. (05 Mar 2000) |
| coup injury of brain | An injury occurring directly beneath the skull at the area of impact. (05 Mar 2000) |
| haemorrhagic brain metastases | <radiology> Intratumoural haemorrhage most likely to be high-density, well circumscribed mass, melanoma, thyroid carcinoma, renal carcinoma, choriocarcinoma (12 Dec 1998) |
| primary brain tumour | <neurology, oncology> May be subdivided into primary brain tumours and the more common, secondary brain tumours. Primary brain tumours (for example astrocytoma, craniopharyngioma, glioma, ependymoma, neuroglioma, oligodendroglioma, glioblastoma multiforme, meningioma, medulloblastoma) arise from the uncontrolled proliferation of cells within the brain. Secondary brain tumours occur from the spread of cancer into the brain from a distant cancerous organ (metastasis). Common symptoms of a brain tumour include headache, nausea, vomiting, seizures, change in mentation, neurologic symptoms and loss of memory. (06 Mar 1998) |
| primary brain vesicle | Each of the three divisions of the early embryonic brain (prosencephalon, mesencephalon, and rhombencephalon). Synonym: encephalic vesicle, primary brain vesicle. (05 Mar 2000) |