| ophiurid | <zoology> Same as Ophiurioid. Source: Websters Dictionary (01 Mar 1998) |
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| ophiurida | <zoology> Same as Ophiurioidea. Source: Websters Dictionary (01 Mar 1998) |
| ophiurioid | <zoology> Of or pertaining to the Ophiurioidea. One of the Ophiurioidea. Alternative forms: ophiuroid. Source: Websters Dictionary (01 Mar 1998) |
| ophiuroidea | <zoology> A class of star-shaped echinoderms having a disklike body, with slender, articulated arms, which are not grooved beneath and are often very fragile. Synonym: Ophiuroida and Ophiuridea. Origin: NL, fr. Gr. Serpent + tail + form. Source: Websters Dictionary (01 Mar 1998) |
| ophritis | Dermatitis in the region of the eyebrows. Synonym: ophryitis. Origin: G. Ophrys, eyebrow, + -itis, infammation (05 Mar 2000) |
| ophryitis | Dermatitis in the region of the eyebrows. Synonym: ophryitis. Origin: G. Ophrys, eyebrow, + -itis, infammation (05 Mar 2000) |
| ophryogenes | Related to the eyebrows. Origin: Mod. L., fr. G. Ophrys, eyebrow, + suffix -genes, arising from (05 Mar 2000) |
| ophryon | <anatomy> The supraorbital point. Origin: NL, fr. Gr, the brow. Source: Websters Dictionary (01 Mar 1998) |
| Ophryoscolecidae | A family of ciliate protozoa occurring in the rumen and reticulum of ruminant animals, characterised by having cilia arranged in spiral membranelles around the mouth (adoral) and in some genera also in a dorsal (metoral) position. The most important genera are Entodinium, Diplodinium, Epidinium, and Ophryoscolex, which are thought to contribute to ruminant nutrition by converting cellulose in plant material ingested by the ruminant into readily digestible animal protein of their own bodies. Origin: G. Ophrys, eyebrow, + skolex, a worm (05 Mar 2000) |
| ophryosis | Spasmodic twitching of the upper portion of the orbicularis palpebrarum muscle causing a wrinkling of the eyebrow. Origin: G. Ophrys, eyebrow, + -osis, condition (05 Mar 2000) |
| ophryospinal angle | See: Jacquart's facial angle. (05 Mar 2000) |
| ophthalm- | See: ophthalmo-. (05 Mar 2000) |
| ophthalmalgia | Synonym: oculodynia. Origin: ophthalmo-+ G. Algos, pain (05 Mar 2000) |
| ophthalmia | <medicine> An inflammation of the membranes or coats of the eye or of the eyeball. Origin: F. Ophthalmie, L. Ophthalmia, fr. Gr, fr. The eye, akin to E. Optic. See Optic. Source: Websters Dictionary (01 Mar 1998) |
| ophthalmia eczematosa | An obsolete term for phlyctenular conjunctivitis. (05 Mar 2000) |