| horns of hyoid bone | See: greater horn of hyoid bone, lesser horn of hyoid bone. (05 Mar 2000) |
|---|---|
| horns of saphenous opening | See: inferior horn of falciform margin of saphenous opening, superior horn of falciform margin of saphenous opening. (05 Mar 2000) |
| horns of thyroid cartilage | See: inferior horn of thyroid cartilage, superior horn of thyroid cartilage. (05 Mar 2000) |
| hornsnake | <zoology> A harmless snake (Farancia abacura), found in the Southern United States. The colour is bluish black above, red below. Source: Websters Dictionary (01 Mar 1998) |
| hornstone | <chemical> A siliceous stone, a variety of quartz, closely resembling flint, but more brittle. Synonym: chert. Source: Websters Dictionary (01 Mar 1998) |
| horntail | <zoology> Any one of family (Uroceridae) of large hyminopterous insects, allied to the sawflies. The larvae bore in the wood of trees. So called from the long, stout ovipositors of the females. Source: Websters Dictionary (01 Mar 1998) |
| hornwort | <botany> An aquatic plant (Ceratophyllum), with finely divided leaves. Source: Websters Dictionary (01 Mar 1998) |
| hornwrack | <zoology> A bryozoan of the genus Flustra. Source: Websters Dictionary (01 Mar 1998) |
| horny | Of the nature or structure of horn. Synonym: corneous, keratic, keratinous, keratoid, keroid. (05 Mar 2000) |
| horny cell | The dead keratin-filled squamous cell of the stratum corneum. Synonym: horny cell, keratinised cell. Origin: cornea, L. Fem. Of corneus, horny, + G. Kytos, cell (05 Mar 2000) |
| horny layer of epidermis | The outer layer of the epidermis, consisting of several layers of flat keratinised non-nucleated cells. Synonym: corneal layer of epidermis, horny layer of epidermis. (05 Mar 2000) |
| horny layer of nail | The outer, horny layer of the nail. Synonym: cornified layer of nail, horny layer of nail. (05 Mar 2000) |
| hornyhead | <zoology> Any North American river chub of the genus Hybopsis, especially. H. Biguttatus. Source: Websters Dictionary (01 Mar 1998) |
| horography | 1. An account of the hours. 2. The art of constructing instruments for making the hours, as clocks, watches, and dials. Origin: Gr. Hour: cf. F. Horographie. Source: Websters Dictionary (01 Mar 1998) |
| horologer | A maker or vender of clocks and watches; one skilled in horology. Source: Websters Dictionary (01 Mar 1998) |