| FHH | Familial Hypocalciuric Hypercalcemia = Familial Benign Hypercalcemia |
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| FAD | familial Alzheimer dementia; familial autonomic dysfunction; fetal activity-acceleration determinati... |
| FAP | familial adenomatous polyposis; familial amyloid polyneuropathy; fatty acid polyunsaturated; fatty a... |
| agg | agglutination; aggravation; aggregation |
| aggreg | aggregated, aggregation |
| AS | Aggregation substance |
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| PA | Platelet aggregation |
| PAT | Platelet aggregation test |
| RCA | Red cell aggregation |
| RIPA | Ristocetin induced platelet aggregation |
| familial aggregation | <genetics> The occurrence of a trait in more members of a family than can be readily accounted for by chance; presumptive but not cogent evidence of the operation of genetic factors. (05 Mar 2000) |
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| aggregation | Massing of materials together as in clumping. (18 Nov 1997) |
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| receptor aggregation | Chemically stimulated aggregation of cell surface receptors, which potentiates the action of the effector cell. (12 Dec 1998) |
| cell aggregation | The phenomenon by which dissociated cells intermixed in vitro tend to group themselves with cells of their own type. (12 Dec 1998) |
| platelet aggregation | The attachment of platelets to one another. This clumping together can be induced by a number of agents (e.g., thrombin, collagen) and is part of the mechanism leading to the formation of a thrombus. (12 Dec 1998) |
| platelet aggregation inhibitors | Drugs or agents which antagonise or impair any mechanism leading to blood platelet aggregation, whether during the phases of activation and shape change or following the dense-granule release reaction and stimulation of the prostaglandin-thromboxane system. (12 Dec 1998) |
| platelet aggregation test | A test of the ability of platelets to adhere to each other and hence form a haemostatic plug to prevent bleeding; failure to aggregate occurs in several conditions, e.g., thrombasthenia, Von Willebrand's disease, and following administration of aspirin, phenylbutazone, and indomethacin; the test is conducted by quantitating the decrease in turbidity that occurs in platelet-rich plasma following the in vitro addition of one or several platelet-aggregating agents (e.g., ADP, epinephrine, or serotonin). (05 Mar 2000) |
| erythrocyte aggregation | Aggregation of erythrocytes probably resulting from changes in the negative surface charge (zeta potential) of the cells caused by the dielectric effect of proteins in the surrounding plasma, especially asymmetric macromolecules like fibrinogen and gamma-globulin. (12 Dec 1998) |
| erythrocyte aggregation, intravascular | The massing or clumping of erythrocytes in intact blood vessels in response to injury or in certain diseases, interfering with adequate blood flow. It is also called sludging of blood and intravascular agglutination. (12 Dec 1998) |
| benign familial chorea | A rare, nonprogressive movement disorder characterised by chorea and athetosis appearing in early childhood, most commonly manifested as gait ataxia and upper limb coordination. Intellect is unaffected. Probably autosomal-dominance inheritance with incomplete penetrance. (05 Mar 2000) |
| benign familial chronic pemphigus | Recurrent eruption of vesicles and bullae that become scaling and crusted lesions with vesicular borders, predominantly of the neck, groin, and axillary regions; autosomal dominant inheritance, presenting in late adolescence or early adult life. Synonym: Hailey-Hailey disease. (05 Mar 2000) |
| benign familial icterus | Mild jaundice due to increased amounts of unconjugated bilirubin in the plasma without evidence of liver damage, biliary obstruction, or haemolysis; thought to be due to an inborn error of metabolism in which the excretion of bilirubin by the liver is defective, ascribed to decreased conjugation of bilirubin as a glucuronide or impaired uptake of hepatic bilirubin. Synonym: benign familial icterus, constitutional hepatic dysfunction, Gilbert's disease, Gilbert's syndrome, Hebra's disease. (05 Mar 2000) |
| cancer, breast, familial | A number of factors have been identified that increase the risk of breast cancer. One of the strongest of these risk factors is the history of breast cancer in a relative. About 15-20% of women with breast cancer have such a family history of the disease, clearly reflecting the participation of inherited (genetic) components in the development of some breast cancers. Dominant breast cancer suceptibility genes, including BRCA1 and BRCA2, appear responsible for about 5% of all breast cancer. (12 Dec 1998) |
| paralysis, familial periodic | An autosomal dominant trait marked by recurring attacks of rapidly progressive flaccid paralysis. There are three types: I, associated with a fall in serum potassium levels (hypokalaemic periodic paralysis); II, associated with a rise therein (hyperkalaemic periodic paralysis, called also adynamia episodica hereditaria); and III, with normal levels (normokalaemic periodic paralysis). (12 Dec 1998) |
| pemphigus, benign familial | Rare hereditary disease characterised by recurrent eruptions of vesicles and bullae mainly on the neck, axillae, and groin. It exhibits autosomal dominant inheritance and is unrelated to pemphigus vulgaris though it closely resembles that disease. (12 Dec 1998) |
| chronic familial icterus | <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) |
| familial aggregation |
the tendency for a trait to cluster in families; evidence for genetics in the disease etiology
Ãâó: www-hsc.usc.edu/~dconti/notes/genetic_terms.htm
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| familial aggregation |
A tendency of a disease to cluster in families, which is generally taken as evidence for the existence of a genetic aetiological mechanism, or environmental factors common to family members, or a combination of both. Ascertainment bias should be seriously considered.
Ãâó: jech.bmjjournals.com/cgi/content/full/57/7/480
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