| haematoidin | <haematology> A substance which appears to be identical to the red-orange bile pigment bilirubin, but which is produced from haemoglobin in tissues rather than within the liver and usually when oxygen tension is low. (09 Oct 1997) |
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| haematoidin crystals | <haematology> A substance which appears to be identical to the red-orange bile pigment bilirubin, but which is produced from haemoglobin in tissues rather than within the liver and usually when oxygen tension is low. (09 Oct 1997) |
| haematoin | <physiology> A substance formed from the haematin of blood, by removal of the iron through the action of concentrated sulphuric acid. Two like bodies, called respectively haematoporphyrin and haematolin, are formed in a similar manner. Origin: Haemato- + -in. Source: Websters Dictionary (01 Mar 1998) |
| haematolin | See Haematoin. Source: Websters Dictionary (01 Mar 1998) |
| haematologic agents | Drugs that act on blood and blood-forming organs and those that affect the haemostatic system. (12 Dec 1998) |
| haematologic neoplasms | Neoplasms located in the blood and blood-forming tissue (the bone marrow and lymphatic tissue). The commonest forms are the various types of leukaemia, of lymphoma, and of the progressive, life-threatening forms of the myelodysplastic syndromes. (12 Dec 1998) |
| haematologic tests | Tests used in the analysis of the hemic system. (12 Dec 1998) |
| haematologic, gastrointestinal, and renal agents | A collective grouping for agents that act on the haematopoietic, gastrointestinal, and renal systems. (12 Dec 1998) |
| haematological | <haematology> Relating to haematology, that is that branch of medical science which studies the morphology of the blood and blood forming tissues. (18 Nov 1997) |
| haematologist | <specialist> A doctor who specialises in the treatment of blood diseases. (12 May 1997) |
| haematology | <study> The study of the morphology of the blood and blood forming tissues. (18 Nov 1997) |
| haematolymphangioma | <oncology, tumour> A tumour which is made up of lymph vessels and blood vessels. (09 Oct 1997) |
| haematolysis | <haematology> Disruption of the integrity of the red cell membrane causing release of haemoglobin. Haemolysis may be caused by bacterial haemolysins, by antibodies that cause complement dependent lysis, by placing red cells in a hypotonic solution or by defects in the red cell membrane. Origin: Gr. Lysis = dissolution (18 Nov 1997) |
| haematolytic | Destructive to blood cells, resulting in liberation of haemoglobin. Synonym: haematolytic, haemotoxic, haematotoxic, haematoxic. (05 Mar 2000) |
| haematoma | <haematology, pathology> A localised collection of blood, usually clotted, in an organ, space or tissue, due to a break in the wall of a blood vessel. (18 Nov 1997) |