| Hirschsprung, Harald | <person> Danish physician, 1830-1916. See: Hirschsprung's disease. (05 Mar 2000) |
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| hirsute | <dermatology> Bearing coarse, rough, longish hairs. Compare: villous. (09 Oct 1997) |
| hirsuties | <clinical sign, dermatology> Abnormal hairiness, especially an adult male pattern of hair distribution in women. Compare: hypertrichosis. Origin: Mod. L. Fr. L. Hirsutus, shaggy (18 Nov 1997) |
| hirsutism | <clinical sign, dermatology> Abnormal hairiness, especially an adult male pattern of hair distribution in women. Compare: hypertrichosis. Origin: Mod. L. Fr. L. Hirsutus, shaggy (18 Nov 1997) |
| hirt extraction | <molecular biology, technique> The Hirt extraction is a lab technique used to separate the DNA of a virus from the DNA of its host cell. (09 Oct 1997) |
| hirtellous | <botany> Pubescent with minute and somewhat rigid hairs. Origin: Dim, fr. L. Hirtus hairy. Source: Websters Dictionary (01 Mar 1998) |
| hirudicide | <pharmacology> An agent that kills leeches. Origin: L. Hirudo, leech, + caedo, to kill (05 Mar 2000) |
| hirudin | <protein> The substance secreted by leeches which prevents blood from clotting. Hirudin is used by the leeches while they feed on blood from their victims. (09 Oct 1997) |
| hirudine | <zoology> Of or pertaining to the leeches. Source: Websters Dictionary (01 Mar 1998) |
| hirudinea | <zoology> An order of Annelida, including the leeches. Synonym: Hirudinei. Origin: NL, fr. L. Hirudo, hirudinis, a leech. Source: Websters Dictionary (01 Mar 1998) |
| hirudiniasis | <disease> A condition resulting from leeches attaching themselves to the skin or being taken into the mouth or nose while drinking. Origin: L. Hirudo, leech, + G. -iasis, condition (05 Mar 2000) |
| hirudinization | 1. The process of rendering the blood noncoagulable by the injection of hirudin. 2. The application of leeches. (05 Mar 2000) |
| hirudo | <zoology> A genus of leeches, including the common medicinal leech. See Leech. Origin: L, a leech. Source: Websters Dictionary (01 Mar 1998) |
| Hirudo medicinalis | The medicinal leech. The CNS of this annelid contains a relatively small number of large, identifiable cells. This has made the leech, like the molluscs Aplysia and Helisoma, a chosen preparation for studying nervous system mechanisms at the cellular level. Related species of leeches are the organism of choice for cellular and molecular genetic studies of early development, since the early embryos also contain identifiable cells. (18 Nov 1997) |
| hirundine | <zoology> Like or pertaining to the swallows. Source: Websters Dictionary (01 Mar 1998) |