| 영문 | brain tumor | 한글 | 뇌종양 |
|---|---|---|---|
| 설명 | 뇌종양이란 뇌와 뇌조직에서 생긴 종양을 지칭하는 말이다. 그러나 대개 넓은 의미로 사용할 경우에는 머리뼈속의 공간인 두개강속에 생기는 모든 종양을 이르는 말로 사용된다. 뇌종양은 한정된 공간인 두개강에서 발생하므로 종양이 그다지 크지 않아도 정상적인 조직을 압박하게 되고, 두개강내의 압력을 높인다. 이런 특징에 의해서 뇌종양의 증상은 다른 종양과 달리, 종양 그 자체의 증상보다도 두개내압상승과 정상조직의 압박에 의한 증상이 많다. 두개내압(뇌압)의 상승에 의한 증상으로는 두통, 구토등이 있으며, 지속적인 뇌압상승에 의해서 유두부종(papilledema)이 관찰되기도 한다. 그리고 정상적인 뇌조직의 압박과 종양이 생긴 부위의 기능의 결합에 뇌의 그 부분에 해당하는 기능의 상실을 보게된다. |
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| 영문 | brain stem | 한글 | 뇌줄기 |
|---|---|---|---|
| 설명 | 뇌줄기이란 대뇌와 척수를 이어주는 다리 역할을 하는 뇌의 부분으로 이곳에는 중간뇌, 다리뇌, 숨뇌의 3개의 부분이 포함된다. 이곳은 대뇌에서 나가는 운동신경과 대뇌로 들어오는 감각신경의 중요한 통로가 있는 곳이며, 동시에 대부분의 뇌신경(척수를 거치지 않고 나가는 신경, 즉 뇌에서 직접 나오고 들어오는 신경을 이르는 말)의 중요한 요지이다. |
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| 영문 | blood-brain barrier(BBB) | 한글 | 혈뇌장벽 |
|---|---|---|---|
| 설명 | 뇌와 척수에는 혈류로부터 어떤 물질이 유입되는 것을 막는 장벽이다. 이것은 뇌와 척수에 존재하는 모세혈관의 투과성이 비교적 다른 모세혈관의 투과성보다 떨어지기 때문이다. |
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| 영문 | blood-brain barrier | 한글 | 혈액뇌장벽 |
|---|---|---|---|
| 설명 | 혈액으로부터 뇌로는 지질용해성이 높은 약물밖에 이행되지 않는다. 수용성의 약물을 뇌로 이행되지 않게 하고 있는 것이 혈액뇌장벽이며 뇌의 모세혈관 내피세포, 모세혈관 주위의 세포가 장벽이 되고 있다. 물질교환은 수동확산에 의해 이루어지지만, 뇌의 생리적 활동에 필요한 물질은 이온형이라도 담체를 통해 이행된다. |
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| AMC | academic medical center; acetylmethyl carbinol; Animal Medical Center; antibody-mediated cytotoxicit... |
|---|---|
| CDC | calculated date of confinement; cancer diagnosis center; capillary diffusion capacity; cell division... |
| CIC | cardioinhibitor center; circulating immune complex; clean intermittent catheterization; completely i... |
| CPC | central posterior curve; cerebellar Purkinje cell; cerebral palsy clinic; cerebral performance categ... |
| DCC | day care center; detected in colon cancer; dextran-coated charcoal; diameter of cylindrical collimat... |
| brain contusion | A head injury of sufficient force to bruise the brain. The bruising of the brain will often involve the surface of the brain and cause an extravasation of blood without rupture of the pia-arachnoid. Often associated with a concussion. (27 Sep 1997) |
|---|---|
| brain death | Total cessation of brain function for 24 hours as manifested by absence of spontaneous movement, absence of spontaneous respiration, and absence of all brainstem reflexes. (12 Dec 1998) |
| brain-derived growth factor | <growth factor> Small basic protein purified from pig brain, a member of the family of neurotrophic factors that also includes Nerve Growth Factor and neurotrophin 3. In contrast to nerve growth factor, brain-derived neurotrophic factor is predominanantly (though not exclusively) localised in the CNS. It supports the survival of primary sensory neurons originating from the neural crest and ectodermal placodes that are not responsive to NGF. In the brain brain-derived neurotrophic factor has a trophic action on retinal, cholinergic, and dopaminergic neurons, and in the peripheral nervous system it acts on both motor and sensory neurons. Acronym: BDGF (12 Dec 1998) |
| brain-derived neurotrophic factor | <growth factor> Small basic protein purified from pig brain, a member of the family of neurotrophic factors that also includes Nerve Growth Factor and neurotrophin 3. In contrast to nerve growth factor, brain-derived neurotrophic factor is predominanantly (though not exclusively) localised in the CNS. It supports the survival of primary sensory neurons originating from the neural crest and ectodermal placodes that are not responsive to NGF. In the brain brain-derived neurotrophic factor has a trophic action on retinal, cholinergic, and dopaminergic neurons, and in the peripheral nervous system it acts on both motor and sensory neurons. Acronym: BDGF (12 Dec 1998) |
| brain diseases, metabolic | Metabolic disorders which lead to pathological changes and/or functional deviations of the brain. (12 Dec 1998) |
| brain-heart infusion agar | A medium used for the isolation of fastidious microorganisms, especially fungi. (05 Mar 2000) |
| brain herniation | A condition that occurs when the brain is under abnormally increased pressure. The increased intracranial pressure forces the brain downward inside the skull. This results in typical neurologic manifestations (coma, paralysis and a unilateral dilated pupil). May occur secondary to head injury, primary or metastatic brain tumour, bacterial meningitis and brain abscess. Brain herniations may involve different portions of the brain such as the cerebellum (cerebellar herniation), uncus (uncal herniation) and transtentorial herniation of the cerebrum. (27 Sep 1997) |
| brain injury | Acute injuries to the brain, general or unspecified. (12 Dec 1998) |
| brain iron | <radiology> Normal, Infant: NONE, Adult: globus pallidum, substantia nigra, red nucleus, dentate nucleus, Aging: (adult) and putamen, Degenerative disease, Parkinson disease: putamen, SN compacta, Huntington disease: caudate, putamen, Alzheimer disease: cerebral cortex, Hallervorden-Spatz disease, MS: thalamus, putamen, Others, AVM: malformation and rim, Bleed: rim macrophages, Haemorrhagic CVA: gyral / basal ganglia MRI: low T1 and T2 signal (12 Dec 1998) |
| brain laceration | Gross tearing of neural tissue. (05 Mar 2000) |
| brain lipid | Impure cephalin possessing marked haemostatic action when locally applied. (05 Mar 2000) |
| brain mantle | Origin: L. See Pall the garment. 1. A large, square, woolen cloak which enveloped the whole person, worn by the Greeks and by certain Romans. It is the Roman name of a Greek garment. 2. A band of white wool, worn on the shoulders, with four purple crosses worked on it; a pall. The wool is obtained from two lambs brought to the basilica of St. Agnes, Rome, and blessed. It is worn by the pope, and sent to patriarchs, primates, and archbishops, as a sign that they share in the plenitude of the episcopal office. Befoer it is sent, the pallium is laid on the tomb of St. Peter, where it remains all night. 3. <zoology> The mantle of a bivalve. See Mantle. The mantle of a bird. Source: Websters Dictionary (01 Mar 1998) |
| brain metastases | <oncology, radiology> 10% of intracranial mass lesions are metastasis, 10-38% of patients with systemic cancer have brain metastasis: adults: lung, breast, GU tract, colon/rectum, melanoma, sinuses. children: neuroblastoma, embryonal rhabdomyosarcoma, Wilms tumour. Location: most in middle cerebral artery distribution at the cortex, 20% in posterior fossa. See also: haemorrhagic metastasis. (08 Mar 2000) |
| brain murmur | <neurology> Sounds produced by intracranial aneurysms or arterial venous aneurysms in congenital dysplastic angiomatosis. (05 Mar 2000) |
| brain natriuretic peptide | <hormone, protein> Brain peptide that induces diuresis, related to atrial natriuretic peptide. (18 Nov 1997) |