| haematologist | <specialist> A doctor who specialises in the treatment of blood diseases. (12 May 1997) |
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| 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) |
| haematoma, epidural | Accumulation of blood in the epidural space, due to damage to the middle meningeal artery and producing compression of the dura mater and thus compression of the brain. Unless evacuated, it may result in herniation through the tentorium, and death. (12 Dec 1998) |
| haematoma, subdural | Accumulation of blood in the subdural space. There are acute and chronic forms. They are usually the result of trauma. (12 Dec 1998) |
| haematomanometer | haemadynamometer |
| haematometer | <physiology> Same as haemadynamometer. An instrument for determining the number of blood corpuscles in a given quantity of blood. Origin: Haemato-. Source: Websters Dictionary (01 Mar 1998) |
| haematometra | <gynaecology> A collection of blood and other menstrual fluid within the uterus which causes the uterus to distend (bulge outward). (09 Oct 1997) |
| haematometry | Examination of the blood in order to determine any or all of the following: 1) the total number, types, and relative proportions of various blood cells; 2) the number or proportion of other formed elements; 3) the percentage of haemoglobin. In some instances, haematometry is used to include a determination of blood pressure. Synonym: haemometry. Origin: haemato-+ G. Metron, measure (05 Mar 2000) |
| haematomphalocele | Umbilical hernia into which an effusion of blood has taken place. Origin: haemato-+ G. Omphalos, umbilicus, + kele, hernia (05 Mar 2000) |
| haematomyelia | A haemorrhage (area of internal bleeding) which extends into the spinal cord, occurs usually as a result of injury. (09 Oct 1997) |
| haematomyelopore | Formation of porosities in the spinal cord as a result of haemorrhages. Origin: haemato-+ G. Myelos, marrow, + poros, a pore (05 Mar 2000) |