| sickle cell prep | <haematology, investigation> A test which looks at red blood cells under the microscope to detect sickle cells after an agent which lowers the oxygen content of the sample is added. A positive test is result is determined by the presence of sickle cells. Abnormal results indicate sickle cell anaemia or sickle cell trait. (27 Sep 1997) |
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| sickle cell retinopathy | A condition marked by dilation and tortuosity of retinal veins, and by microaneurysms and retinal haemorrhages; advanced stages may show neovascularization, vitreous haemorrhage, or retinal detachment. (05 Mar 2000) |
| sickle cell test | <investigation> A test which looks at red blood cells under the microscope to detect sickle cells after an agent which lowers the oxygen content of the sample is added. A positive test is result is determined by the presence of sickle cells. Abnormal results indicate sickle cell anaemia or sickle cell trait. (27 Sep 1997) |
| sickle cell trait | <haematology> This condition occurs in people who have one of two possible genes (i.e., they are heterozygous forthe allele) that code for the defective haemoglobin responsible for sickle cell anaemia. The coditionis diagnosed by exposing an individual's red blood cells to a low oxygen environment, if the trait is present, the cells will turn to a sickle shape. People with this trait may suffer milder symptoms of sickle cell anaemia, or may have no symptoms. Some scientists believe the trait actually provides an evolutionary advantage in tropical environments because the slightly altered shape of the blood cells causes a person to be more resistant to malaria. (09 Oct 1997) |
| sickle cell-thalassaemia disease | Anaemia, clinically resembling sickle cell anaemia, in which individuals are compound heterozygous for the sickle cell gene and a thalassaemia gene; about 60 to 80% of haemoglobin is Hb S, up to 20% Hb F, and the remainder Hb anaemia. Synonym: sickle cell-thalassaemia disease. (05 Mar 2000) |
| sickle flap | A sickle-shaped flap from the anterior scalp and one side of the forehead, based on the opposite temporal artery. (05 Mar 2000) |
| sickle form | The male or female gametocyte(s) of Plasmodium falciparum, whose presence in human red blood cells is diagnostic of falciparum malaria. Synonym: crescent, sickle form. Myopic crescent, a white or grayish white crescentic area in the fundus of the eye located on the temporal side of the optic disk; caused by atrophy of the choroid, permitting the sclera to become visible. Synonym: myopic conus. Sublingual crescent, the crescent-shaped area on the floor of the mouth formed by the lingual wall of the mandible and the adjacent part of the floor of the mouth. (05 Mar 2000) |
| sickle scotoma | A comet-shaped scotoma, occurring in glaucoma, attached at the temporal end to the blind spot or separated from it by a narrow gap; the defect widens as it extends above and nasally curves around the fixation spot, and then extends downward to end exactly at the nasal horizontal meridian. Synonym: Bjerrum's sign, sickle scotoma. (05 Mar 2000) |
| sicklebill | <ornithology> Any one of three species of humming birds of the genus Eutoxeres, native of Central and South America. They have a long and strongly curved bill. Synonym: the sickle-billed hummer. A curlew. A bird of the genus Epimachus and allied genera. Source: Websters Dictionary (01 Mar 1998) |
| sickless | Free from sickness. "Give me long breath, young beds, and sickless ease." (Marston) Source: Websters Dictionary (01 Mar 1998) |
| sicklewort | <botany> A plant of the genus Coronilla (C. Scorpioides); so named from its curved pods. The healall (Brunella vulgaris). Origin: AS. Sicolwyrt. Source: Websters Dictionary (01 Mar 1998) |
| sickling | Production of sickle-shaped erythrocytes in the circulation, as in sickle cell anaemia. (05 Mar 2000) |
| sickly | 1. Somewhat sick; disposed to illness; attended with disease; as, a sickly body. "This physic but prolongs thy sickly days." (Shak) 2. Producing, or tending to, disease; as, a sickly autumn; a sickly climate. 3. Appearing as if sick; weak; languid; pale. "The moon grows sickly at the sight of day." (Dryden) "Nor torrid summer's sickly smile." (Keble) 4. Tending to produce nausea; sickening; as, a sickly smell; sickly sentimentality. Synonym: Diseased, ailing, infirm, weakly, unhealthy, healthless, weak, feeble, languid, faint. Origin: Sicklier; Sickliest. Source: Websters Dictionary (01 Mar 1998) |
| sickness | 1. The quality or state of being sick or diseased; illness; sisease or malady. "I do lament the sickness of the king." (Shak) "Trust not too much your now resistless charms; Those, age or sickness soon or late disarms." (Pope) 2. Nausea; qualmishness; as, sickness of stomach. Synonym: Illness, disease, malady. See Illness. Origin: AS. Seocness. Source: Websters Dictionary (01 Mar 1998) |
| sickness impact profile | A quality-of-life scale developed in the united states in 1972 as a measure of health status or dysfunction generated by a disease. It is a behaviourally based questionnaire for patients and addresses activities such as sleep and rest, mobility, recreation, home management, emotional behaviour, social interaction, and the like. It measures the patient's perceived health status and is sensitive enough to detect changes or differences in health status occurring over time or between groups. (12 Dec 1998) |
| sickle cell disease |
Sickle cell anemia (American English), sickle cell anaemia (British English) or sickle cell disease is a genetic disease in which red blood cells may change shape under certain circumstances. This causes the cells to become stuck in capillaries which deprives the downstream tissues of oxygen and causes ischemia and infarction. ...
출처: en.wikipedia.org/wiki/Sickle_cell_disease
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| sickle cell |
Sickle cell anemia (American English), sickle cell anaemia (British English) or sickle cell disease is a genetic disease in which red blood cells may change shape under certain circumstances. This causes the cells to become stuck in capillaries which deprives the downstream tissues of oxygen and causes ischemia and infarction. ...
출처: en.wikipedia.org/wiki/Sickle_cell
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| sickle cell anemia |
Sickle cell anemia (American English), sickle cell anaemia (British English) or sickle cell disease is a genetic disease in which red blood cells may change shape under certain circumstances. This causes the cells to become stuck in capillaries which deprives the downstream tissues of oxygen and causes ischemia and infarction. ...
출처: en.wikipedia.org/wiki/Sickle_cell_anemia
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| sickle cell crisis |
Sickle cell anemia (American English), sickle cell anaemia (British English) or sickle cell disease is a genetic disease in which red blood cells may change shape under certain circumstances. This causes the cells to become stuck in capillaries which deprives the downstream tissues of oxygen and causes ischemia and infarction. ...
출처: en.wikipedia.org/wiki/Sickle_cell_crisis
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| sicca syndrome |
is a condition manifested by dry eyes and dry mouth.
출처: www.geocities.com/cfsdays/glossary.htm
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| SIC | a leave of absence from work because of illness |
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| SIC | a list of those who are ill (e.g. on a warship or in a regiment etc) |
| SIC | having a strong distaste from surfeit |
| SIC | the daily military formation at which individuals report to the medical officer as sick |
| SIC | wages paid to an employee who is on sick leave |
| SIC | a person suffering from an illness |
| SIC | confined to bed (by illness) |
| SIC | a bag provided on an airplane for passengers who are suffering from airsickness and need to vomit |
| SIC | a room for the treatment of the sick or injured (as on a ship) |
| SIC | the bed on which a sick person lies |
| SIC | get sick |
| SIC | make sick or ill |