| globe cell anaemia | <haematology> A hereditary disorder that leads to a chronic haemolytic anaemia due to an abnormality in the red blood cell membrane. This disorder is caused by a defective gene. Red cells are resistant to stress and rupture easily. Infants may appear jaundiced and pale. Fatigue, weakness and shortness of breath are other symptoms that may be seen in older patients. The spleen may also be enlarged. Treatment includes splenectomy (removal of the spleen). After this is accomplished the life-span of the red blood cells returns to normal. (27 Sep 1997) |
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| globoid cell | A large cell of mesodermal origin that is found clustered in the intracranial tissues in globoid cell leukodystrophy. (05 Mar 2000) |
| globoid cell leukodystrophy | <radiology> Dysmyelinating disease, autosomal recessive, usually presents by 1 yr, specific enzyme deficiency identified, rapid spontaneous nystagmus, poikilothermia Synonym: Krabbe leukodystrophy (12 Dec 1998) |
| CD4 cell | T helper cells which are targets for HIV infection. (09 Oct 1997) |
| CD4 cell count | The most commonly used surrogate marker for assessing the state of the immune system. As CD4 cell count declines, the risk of developing opportunistic infections increases. The normal range for CD4 cell counts is 500 to 1500 per cubic millimetre of blood. CD4 count should be rechecked at least every six to twelve months if CD4s are greater than 500/mm3. If the count is lower, testing every three months is advised. (09 Oct 1997) |
| virus-transformed cell | A cell that has been genetically changed to a tumour cell, the change being subsequently tramsmitted to all descendent cell's; cell's transformed by oncornaviruses continue to produce virus in high concentration without being killed; DNA tumour virus-transformed cell's develop (along with other changes) tumour-associated antigens and rarely produce virus. (05 Mar 2000) |
| CD8 cell | <immunology> One type of T-lymphocyte which bears the CD8 molecular marker on its surface. Some CD8 cells recognise and kill cancerous cells and those infected by intracellular pathogens (some bacteria, viruses and mycoplasma). These cells are called cytotoxic T-lymphocytes (see). (09 Oct 1997) |
| glomerulosa cell | A cell of the zona glomerulosa of the adrenal cortex that is the source of aldosterone; the cell's are arranged in spherical or oval groups. (05 Mar 2000) |
| renal cell cancer | Cancer that develops in the lining of the renal tubules, which filter the blood and produce urine. Also called renal cell carcinoma. (12 Dec 1998) |
| renal cell carcinoma | <oncology, tumour> The most common form of kidney cancer which occurs when the cells lining the renal tubule undergo cancerous changes. There are approximately 18,000 new cases of renal cell carcinoma (hypernephroma) per year in the U.S. With about 8,000 deaths annually. Smoking is considered a major risk factor. Kidney dialysis patients are at increased risk for the development of hypernephroma. Family history for renal cell carcinoma is also considered a risk factor. Symptoms include haematuria, flank pain, abdominal pain, back pain, weight loss and abdominal swelling. (27 Sep 1997) |
| P cell | A characteristic specialised cell, with probable pacemaker function, found in the S-A node and A-V junction. (05 Mar 2000) |
| reparative giant cell granuloma | <dermatology, oncology> A non-neoplastic lesion characterised by a proliferation of granulation tissue containing numerous multinucleated giant cells. It occurs on the gingiva and alveolar mucosa (occasionally on other soft tissues) where it presents as a soft red-blue haemorrhagic nodular swelling. It also occurs within the mandible or maxilla as a unilocular or multilocular radiolucency. Peripheral giant cell granuloma refers to the gingiva (giant cell epulis), central refers to the jaw. Microscopically similar lesions occur in the tubular bones of the hands and feet, are considered neoplastic, and may have a malignant course. Identical bony lesions may be seen in hyperparathyroidism and cherubism. See: giant cell tumour of bone. Synonym: giant cell epulis. (05 Mar 2000) |
| vitreous cell | A cell occurring in the peripheral part of the vitreous body that may be responsible for production of hyaluronic acid and possibly of collagen. Synonym: hyalocyte. (05 Mar 2000) |
| voltaic cell | <chemistry> A device in which chemical energy from a spontaneous redox reaction is changed to electrical energy that can be used to do work, also called a galvanic cell. (09 Jan 1998) |
| centroacinar cell | A cell of the pancreatic ductule that occupies the lumen of an acinus; it secretes bicarbonate and water, providing an alkaline pH necessary for enzyme activity in the intestine. (05 Mar 2000) |
| cell wall |
The non-living materials deposited outside of the plasmalemma which give rigidity, form and protection to the cell. Typically composed of cellulose and other organic materials that may contain extracellular enzymes and other substances.
Ãâó: www.botanyvt.com/pages/dictionary.shtml
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| cell body |
The main part of a nerve cell (neurone) that appears as a swelling on the thread-like cell. It contains important cell structures, like the nucleus.
Ãâó: www.spinalnet.co.uk/EEndCom/GBCON/homepage.nsf/0/7...
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| cell-mediated immunity |
This term simply refers to the parts of immune function that are carried out by the body's CD4 and CD8 cells (as opposed to "humoral" immunity).
Ãâó: www.thebody.com/hivnews/aidscare/dec97/pullout.htm...
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| cellulitis |
An acute inflammation of the connective tissue of the skin, caused by infection with staphylococcus, streptococcus, or other bacteria. It is most common on the face and lower legs, although skin on other areas of the body may sometimes be involved.
Ãâó: www.pbs.org/secondopinion/episodes/antibioticuse/m...
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| cellular |
(noun) pertaining to , composed of, or derived from cells
Ãâó: www.orgsites.com/fl/adjuvantdisease/_pgg9.php3
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