| haematocele | An effusion of blood into a cavity, especially into the tunica vaginalis testis. (12 Dec 1998) |
|---|---|
| haematocephaly | Intracranial effusion of blood, commonly in a foetus. Origin: haemato-+ G. Kephale, head (05 Mar 2000) |
| haematochezia | <clinical sign, gastroenterology> The passage of bright red blood per rectum. This symptom may be associated with haemorrhoids, anal fissure, rectal polyp, cancer, diverticulitis or inflammatory bowel disease. (18 Nov 1997) |
| haematochlorin | A green colouring matter derived from haemoglobin obtained from the placenta. Origin: haemato-+ G. Chloros, light green + -in (05 Mar 2000) |
| haematochrome | <plant biology> A red pigment which appears in green algae when a bright light is shone on the algae. (09 Oct 1997) |
| haematochyluria | Presence of blood as well as chyle in the urine. Origin: haemato-+ G. Chylos, juice, + ouron, urine (05 Mar 2000) |
| haematocolpometra | Accumulation of blood in the uterus and vagina resulting from an imperforate hymen or other lower vaginal obstruction. Origin: haemato-+ G. Kolpos, vagina, + metra, womb. (05 Mar 2000) |
| haematocolpos | An accumulation of menstrual blood in the vagina. (12 Dec 1998) |
| haematocrit | <haematology, investigation> Relative volume of blood occupied by erythrocytes. An average figure for humans is 45ml per cent, i.e. A packed red cell volume of 45ml in 100ml of blood. (18 Nov 1997) |
| haematocrya | <zoology> The cold-blooded vertebrates. Source: Websters Dictionary (01 Mar 1998) |
| haematocryal | Cold-blooded. Source: Websters Dictionary (01 Mar 1998) |
| haematocyst | A cyst containing blood or resulting from the encapsulation of a haematoma. Synonym: blood cyst, haematocele, haematocyst, sanguineous cyst. (05 Mar 2000) |
| haematocystis | An effusion of blood into the bladder. Origin: haemato-+ G. Kystis, bladder (05 Mar 2000) |
| haematocyte | <haematology> A red blood cell. (22 Aug 1998) |
| haematocytoblast | A blood cell derived from embryonic mesenchyme, characterised by basophilic cytoplasm and a relatively large nucleus with a spongy, loose network of chromatin and several nucleoli; mitochondria are extremely fine and delicate. Haemocytoblasts represent the primitive stem cells of the monophyletic theory of the origin of blood and have the potentiality of developing into erythroblasts, young forms of the granulocytic series, megakaryocytes, etc. Synonym: haematocytoblast, haemoblast. Origin: haemo-+ G. Kytos, cell, + blastos, germ (05 Mar 2000) |