| haematoporphyrin derivative | <chemical> A complex mixture of monomeric and aggregated porphyrins used in the photodynamic therapy of tumours (haematoporphyrin photoradiation). A purified component of this mixture is known as dihematoporphyrin ether. Pharmacological action: antineoplastic agent, photosensitizing agents. Chemical name: Haematoporphyrin D (12 Dec 1998) |
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| haematoporphyrin photoradiation | Photochemotherapy using visible light, usually red, topically or delivered locally by fibreoptic probe to tissues sensitised with haematoporphyrins. (12 Dec 1998) |
| haematoporphyrinaemia | Older term used to designate the occurrence of haematoporphyrin in the circulating blood. (05 Mar 2000) |
| haematoporphyrins | Iron-free derivatives of haem with 4 methyl groups, 2 hydroxyethyl groups and 2 propionic acid groups attached to the pyrrole rings. (12 Dec 1998) |
| haematoporphyrinuria | Older term used to designate enhanced urinary excretion of porphyrins. (05 Mar 2000) |
| haematopsia | Synonym: haemophthalmia. Origin: haemato-+ G. Opsis, vision (05 Mar 2000) |
| haematorrhachis | A spinal haemorrhage. Synonym: haemorrhachis. Origin: haemato-+ G. Rhachis, spine Haematorrhachis externa, haemorrhage into the spinal canal external to the cord, either within or outside the dura. Synonym: extradural haematorrhachis, subdural haematorrhachis. (05 Mar 2000) |
| haematorrhachis interna | A haemorrhage (area of internal bleeding) which extends into the spinal cord, occurs usually as a result of injury. (09 Oct 1997) |
| haematosac | <anatomy> A vascular sac connected, beneath the brain, in many fishes, with the infundibulum. Origin: Haemato- + sac. Source: Websters Dictionary (01 Mar 1998) |
| haematosalpinx | Collection of blood in a tube, often associated with a tubal pregnancy. Synonym: haemosalpinx. Origin: haemato-+ G. Salpinx, a trumpet (05 Mar 2000) |
| haematoscope | <instrument> A haemoscope. Source: Websters Dictionary (01 Mar 1998) |
| haematosepsis | Systemic disease associated with the presence and persistence of pathogenic microorganisms or their toxins in the blood. Synonym: blood poisoning. See: bacteraemia. Origin: Gr. Haima = blood (11 Jan 1998) |
| haematosin | <physiology> Haematin. Source: Websters Dictionary (01 Mar 1998) |
| haematosis | Same as haematosis. Source: Websters Dictionary (01 Mar 1998) |
| haematospectroscope | <instrument> A spectroscope especially adapted to examination of the blood. (05 Mar 2000) |