| SD | Sandhoff disease; senile dementia; septal defect; serologically defined; serologically detectable; s... |
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| SIDS | sudden infant death syndrome; sulfo-iduronate sulfatase |
| SMEDI | stillbirth-mummification, embryonic death, infertility [syndrome] |
| SSD | shaded surface display; single saturating dose; Social Security disability; source-skin distance; so... |
| SSIDS | sibling of sudden infant death syndrome [victim] |
| 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) |
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| 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) |
| water brain | A disease of sheep; gid. Source: Websters Dictionary (01 Mar 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) |
| smell-brain | Origin: NL, fr. Gr, the nose + the brain. <anatomy> The division of the brain in front of the prosencephalon, consisting of the two olfactory lobes from which the olfactory nerves arise. The term is sometimes used for one of the olfactory lobes, the plural being used for the two taken together. Source: Websters Dictionary (01 Mar 1998) |
| split brain | A brain in which the corpus callosum and usually the anterior and posterior commissures have been sectioned; usually to treat certain refractory epilepsies. (05 Mar 2000) |
| developmental brain tumours | <radiology> 1% of all brain tumours, germ-cell tumours, epidermoid more than dermoid more than > Teratoma, usually midline, craniopharyngioma, colloid cyst, lipoma, hamartoma (12 Dec 1998) |
| diffuse brain atrophy | A form of dementia caused by destruction (atrophy) of the frontal lobes of the brain. This condition leads to the progressive deterioration of mental functioning. Incidence: 9 in 10,000 people in the general population. (27 Sep 1997) |
| dura mater of brain | The intracranial dura mater, consisting of two layers: the outer periosteal layer which normally always adheres to the periosteum of the bones of the cranial vault; and the inner meningeal layer which in most places is fused with the outer. The two layers separate to accommodate meningeal vessels and large venous (dural) sinuses. The meningeal layer is also involved in the formation of the various dural folds, such as the falx cerebri and tentorium cerebelli and is comparable to and continuous with the dural mater of the spinal cord. The cranial epidural space is then a potential space between the bone and the combined periosteum/periosteal layer of the dura mater realised only pathologically and is neither continuous with or comparable to the vertebral epidural space. Synonym: dura mater cranialis, dura mater encephali, cerebral part of dura mater, cranial epidural space. (05 Mar 2000) |