| herpetism | <medicine> See Dartrous diathesis, under Dartrous. See: Herpes. Source: Websters Dictionary (01 Mar 1998) |
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| herpetological | Pertaining to herpetology. Source: Websters Dictionary (01 Mar 1998) |
| herpetologist | One versed in herpetology, or the natural history of reptiles. Source: Websters Dictionary (01 Mar 1998) |
| herpetology | <study> The natural history of reptiles; that branch of zoology which relates to reptiles, including their structure, classification, and habits. Origin: Written also, but less properly, erpetology] [Gr. A creeping thing, reptile (fr. To creep): cf. F. Herpetologie. Source: Websters Dictionary (01 Mar 1998) |
| Herpetomonas | A genus of asexual monogenetic flagellates (family Trypanosomatidae) that are strictly insect parasites, with a variety of body forms including promastigote (leptomad), epimastigote (crithidial), amastigote (leishmanial), and trypomastigote (trypanosome-like); infective forms are passed in the host faeces. Herpetomonas muscae domesticae, the type species, is found in the common housefly. Origin: G. Herpeton, a reptile (fr. Herpo, to creep), + monas, unit (one of the Monadidae) (05 Mar 2000) |
| herpetotomist | One who dissects, or studies the anatomy of, reptiles. Source: Websters Dictionary (01 Mar 1998) |
| herpetotomy | The anatomy or dissection of reptiles. Origin: Gr. A reptile + to cut. Source: Websters Dictionary (01 Mar 1998) |
| Herpetoviridae | An obsolete term for Herpesviridae. (05 Mar 2000) |
| herpetovirus | An obsolete name for a virus belonging to the family Herpesviridae. See: herpesvirus. (05 Mar 2000) |
| herr | A title of respect given to gentlemen in Germany, equivalent to the English Mister. Source: Websters Dictionary (01 Mar 1998) |
| herring | <zoology> One of various species of fishes of the genus Clupea, and allied genera, especially. The common round or English herring (C. Harengus) of the North Atlantic. Herrings move in vast schools, coming in spring to the shores of Europe and America, where they are salted and smoked in great quantities. Herring gull The chimaera (C. Monstrosa) which follows the schools of herring. See Chimaera. The opah. Origin: OE. Hering, AS. Haering; akin to D. Haring, G. Haring, hering, OHG. Haring, hering, and prob. To AS. Here army, and so called because they commonly move in large numbers. Cf. Harry. Source: Websters Dictionary (01 Mar 1998) |
| Herring bodies | <pathology> Granules within axons in the posterior lobe of the pituitary gland. Contain neurosecretory hormones. (18 Nov 1997) |
| Herring, Percy | <person> English physiologist, 1872-1967. See: Herring bodies. (05 Mar 2000) |
| herring-worm disease | Infection with roundworms of the genus anisakis. Human infection results from the consumption of fish harboring roundworm larvae. The worms may cause acute nausea and vomiting or may penetrate into the wall of the digestive tract, where they give rise to eosinophilic granulomas in the stomach, intestine, or the omentum. (12 Dec 1998) |
| Herrmann's syndrome | <syndrome> A nervous system disorder beginning in late childhood or early adolescence, with photomyoclonus and hearing loss followed by diabetes mellitus, progressive dementia, pyelonephritis, and glomerulonephritis; progressive sensorineural hearing loss is of later onset; dominant inheritance. (05 Mar 2000) |