| haemangioma planum extensum | A benign, flat, cutaneous haemangioma of considerable size. (05 Mar 2000) |
|---|---|
| haemangioma, cavernous | A vascular tumour preponderantly composed of large dilated blood vessels, often containing large amounts of blood, occurring in the skin, subcutaneously, or both, and also in many viscera, particularly the liver, spleen, pancreas, and sometimes the brain. The typical superficial lesions are bright to dark red in colour; deep lesions have a blue colour. A cavernous haemangioma in the skin extends more deeply than a capillary haemangioma and is less likely to regress spontaneously. (12 Dec 1998) |
| haemangioma-thrombocytopenia syndrome | <syndrome> Thrombocytopenia caused by sequestration and destruction of platelets in a large cavernous haemangioma, usually seen in infants, rare in adults (12 Dec 1998) |
| haemangiomatosis | A condition in which there are numerous haemangiomas. (05 Mar 2000) |
| haemangiopericytoma | <oncology, tumour> A type of tumour thought to be formed from connective tissue cells and originating from capillaries. (09 Oct 1997) |
| haemangiosarcoma | A rare malignant neoplasm characterised by rapidly proliferating, extensively infiltrating, anaplastic cells derived from blood vessels and lining irregular blood-filled or lumpy spaces. (12 Dec 1998) |
| haemaphaein | <physiology> A brownish substance sometimes found in the blood, in cases of jaundice. Origin: Haema- + Gr. Dusky. Source: Websters Dictionary (01 Mar 1998) |
| haemapheic | Pertaining to or containing haemaphein. (05 Mar 2000) |
| haemaphein | A brown pathologic pigment derived from haemoglobin; said to be a combination of indican and urobilin. Origin: G. Haima, blood, + phaios, dusky (05 Mar 2000) |
| haemapheism | The presence of haemaphein in the blood plasma and urine. (05 Mar 2000) |
| Haemaphysalis | A genus of small, eyeless, inornate ticks. As larvae and nymphs, they are found chiefly on small mammals and birds; as adults, they are found on larger mammals and some birds. They are important as vectors of protozoa and viruses, (e.g., Kyasanur Forest disease virus). Origin: G. Haima, blood, + physaleos, full of wind (05 Mar 2000) |
| Haemaphysalis chordeilis | The bird tick, a common tick of turkeys and upland game birds in North America. (05 Mar 2000) |
| Haemaphysalis cinnabarina | A tick that occurs chiefly in the dry district of British Columbia; this species can cause ascending paraplegia or tick paralysis in both humans and animals. Origin: G. Kinnabarinos, like cinnabar, vermilion (05 Mar 2000) |
| Haemaphysalis cinnabarina punctata | A race of Haemaphysalis in Europe, north Africa, and Japan; larvae and nymphs feed on terrestrial reptiles, and adults on various domestic herbivores, rabbits, and hedgehogs; it transmits bovine babesiosis and anaplasmosis. (05 Mar 2000) |
| Haemaphysalis concinna | Common rodent tick species of the area formerly known as the U.S.S.R. That is a vector and reservoir of tick typhus. (05 Mar 2000) |