| HIDA | <abbreviation> Dimethyl iminodiacetic acid. (05 Mar 2000) |
|---|---|
| hidden | From Hide. Concealed; put out of view; secret; not known; mysterious. Hidden fifths or octaves, consecutive fifths or octaves, not sounded, but suggested or implied in the parallel motion of two parts towards a fifth or an octave. Synonym: Hidden, Secret, Covert. Hidden may denote either known to on one; as, a hidden disease; or intentionally concealed; as, a hidden purpose of revenge. Secret denotes that the thing is known only to the party or parties concerned; as, a secret conspiracy. Covert literally denotes what is not open or avowed; as, a covert plan; but is often applied to what we mean shall be understood, without openly expressing it; as, a covert allusion. Secret is opposed to known, and hidden to revealed. "Bring to light the hidden things of darkness." (1 Cor. Iv. 5) "My heart, which by a secret harmony Still moves with thine, joined in connection sweet." (Milton) "By what best way, Whether of open war, or covert guile, We now debate." (Milton) Source: Websters Dictionary (01 Mar 1998) |
| hidden nail skin | 1. The thin, condensed, eleidin-rich layer of epidermis which procedes and initially covers the nail plate in the embryo. It normally degenerates by the eighth month except at the nail base where it remains as the cuticle of the nail. 2. The corneal layer of epidermis overlapping and in direct contact with the nail root proximally or the sides of the nail plate laterally, forming the undersurface of the nail wall or nail folds of nail. Synonym: hidden nail skin, perionychium. 3. The thin skin adherent to the nail at its proximal portion. Synonym: epionychium. Origin: G. Epi, upon, + onyx (onych-), nail (05 Mar 2000) |
| hidden part | <anatomy> An obsolete term, pars tecta duodeni, the part of duodenum covered by the root of the transverse mesocolon, the coalescence of the ascending mesocolon, and the root of the mesentery, pars tecta pancreatis, hidden portion of the pancreas; part of the pancreas covered by the root of the transverse mesocolon, the coalescence of the ascending mesocolon, and the root of the mesentery, pars tecta renalis, hidden portion of the kidney; part of the kidney covered by the root of the transverse mesocolon, pars tecta ureteralis, hidden portion of the ureter; part of the right ureter covered (crossed) by the root of the mesentery, and of the left ureter covered (crossed) by the root of the sigmoid mesocolon. Synonym: hidden part. (05 Mar 2000) |
| hiddenite | <chemical> An emerald-green variety of spodumene found in North Carolina; lithia emerald, used as a gem. Origin: After W. E. Hidden. Source: Websters Dictionary (01 Mar 1998) |
| hide | 1. The skin of an animal, either raw or dressed; generally applied to the undressed skins of the larger domestic animals, as oxen, horses, etc. 2. The human skin; so called in contempt. "O tiger's heart, wrapped in a woman's hide!" (Shak) Origin: OE.hide, hude, AS. Hd; akin to D. Huid, OHG, ht, G. Haut, Icel. H, Dan. & Sw. Hud, L. Cutis, Gr.; and cf. Gr. Skin, hide, L. Scutum shield, and E. Sky. Source: Websters Dictionary (01 Mar 1998) |
| hidebound | 1. Having the skin adhering so closely to the ribs and back as not to be easily loosened or raised; said of an animal. 2. <botany> Having the bark so close and constricting that it impedes the growth; said of trees. 3. Untractable; bigoted; obstinately and blindly or stupidly conservative. 4. Niggardly; penurious. Source: Websters Dictionary (01 Mar 1998) |
| hidebound disease | Scleroderma (usually applied to extensive involvement). (05 Mar 2000) |
| hidradenitis | The inflammation of a sweat gland (usually of the apocrine type). The condition can be idiopathic or occur as a result of or in association with another underlying condition. Neutrophilic eccrine hidradenitis is a relatively rare variant that has been reported in patients undergoing chemotherapy, usually for non-hodgkin lymphomas or leukaemic conditions. (12 Dec 1998) |
| hidradenitis axillaris of Verneuil | An axillary abscess. (05 Mar 2000) |
| hidradenitis suppurativa | This is an illness characterised by multiple abscesses that form under the arm pits and in the groin area. (12 Dec 1998) |
| hidradenoma | <tumour> A benign neoplasm derived from epithelial cells of sweat glands. Synonym: hydradenoma. Origin: G. Hidros, sweat, + aden, gland, + -oma, tumour (05 Mar 2000) |
| hidradenoma papilliferum | <tumour> A solitary benign tumour occurring in women usually in the labia majora, cystic and papillary, and composed of epithelium resembling that of apocrine glands. Synonym: apocrine adenoma, hidradenoma papilliferum. (05 Mar 2000) |
| hidro- | Sweat, sweat glands. Compare: sudor-. Origin: G. Hidros (05 Mar 2000) |
| hidroa | Any bullous eruption. Synonym: hidroa. Origin: hydro + G. Oon, egg (05 Mar 2000) |