| REEDS | retention of tears, ectrodactyly, ectodermal dysplasia, and strange hair, skin and teeth [syndrome] |
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| maid's hair | <botany> The yellow bedstraw (Galium verum). Source: Websters Dictionary (01 Mar 1998) |
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| vellus hair | Colourless, soft, fine postnatal to adult hair. (05 Mar 2000) |
| cartilage-hair hypoplasia | An autosomal recessive form of dwarfism characterised by shortness of the extremities without skull defects, and with sparse, brittle hair of light colour. There is a peculiar, not adequately explained severity in the clinical course of varicella and herpes in such patients. (05 Mar 2000) |
| vestibular hair cells | Cell's in the sensory epithelium of the maculae and cristae of the membranous labyrinth of the inner ear; afferent and efferent nerve fibres of the vestibular nerve end synaptically upon them; from the apical end of each cell a bundle of stereocilia and a kinocilium extend into the statoconial membrane of the maculae and the cupula of the cristae. (05 Mar 2000) |
| caterpillar-hair ophthalmia | The presence of nodular swellings on the conjunctiva, due to penetration of ocular tissues by the hairs of caterpillars. Synonym: caterpillar-hair ophthalmia. (05 Mar 2000) |
| medulla of hair shaft | The central axis of some hairs, containing a column of large vacuolated and keratinised cells; the medullary portion is surrounded by the cortex. (05 Mar 2000) |
| menkes kinky-hair syndrome | <radiology> Defective intestinal copper absorption, X-linked recessive, males only, presents in early infancy, Wormian bones (12 Dec 1998) |
| ringed hair | A rare condition in which the hair shows alternate pigmented and bright segments, the latter due to air cavities within the cortex. Synonym: leukotrichia annularis, pili annulati, thrix annulata, trichonosus versicolor. (05 Mar 2000) |
| root hair cell | <botany> Root epidermal cell, part of which projects from the root surface as a thin tube, thus increasing the root surface area and promoting absorption of water and ions. (18 Nov 1997) |
| club hair | A hair in resting state, prior to shedding, in which the bulb has become a club-shaped mass. (05 Mar 2000) |
| cochlear hair cell | <anatomy> The sound sensing cell of the inner ear. The cells have modified ciliary structures (hairs), that enable them to produce an electrical (neural) response to mechanical motion caused by the effect of sound waves on the cochlea. Frequency is detected by the position of the cell in the cochlea and amplitude by the magnitude of the disturbance. (18 Nov 1997) |
| cochlear hair cells | Sensory cell's in the organ of Corti in synaptic contact with sensory as well as efferent fibres of the cochlear (auditory) nerve; from the apical end of each cell about 100 stereocilia extend from the surface and make contact with the tectorial membrane. Synonym: Corti's cells. (05 Mar 2000) |
| pigmented hair epidermal nevus | A nevus first seen as an irregular pigmentation of the shoulders, upper chest, or scapular area, gradually enlarging irregularly and becoming thickened and hairy. Synonym: pigmented hair epidermal nevus. (05 Mar 2000) |
| moniliform hair | An autosomal dominant trichodystrophy in which brittle hairs show a series of constrictions, usually without a medulla. Synonym: beaded hair, moniliform hair. Origin: L. Monile, necklace, + G. Thrix, hair (05 Mar 2000) |
| woolly hair | Tightly coiled hair, oval in cross-section, with the texture of wool. (05 Mar 2000) |