| scleral veins | Small veins draining the sclera; they are tributaries to the anterior ciliary veins. Synonym: venae sclerales. (05 Mar 2000) |
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| scleratogenous | Producing hard or sclerotic tissue; causing sclerosis. Synonym: scleratogenous. Origin: sclero-+ G. -gen, producing (05 Mar 2000) |
| sclerectasia | Localised bulging of the sclera. Synonym: scleral ectasia. Origin: scler-+ G. Ektasis, an extension (05 Mar 2000) |
| sclerectomy | 1. Excision of a portion of the sclera. 2. Removal of the fibrous adhesions formed in chronic otitis media. Origin: scler-+ G. Ektome, excision (05 Mar 2000) |
| scleredema | Hard nonpitting oedema of the skin of the dorsal aspect of the upper body and extremities, giving a waxy appearance and no sharp demarcation; seen in diabetics and in scleredema adultorum. Origin: scler-+ G. Oidema, a swelling (oedema) (05 Mar 2000) |
| scleredema adultorum | A diffuse, non-pitting induration of the skin of unknown aetiology that occurs most commonly in association with diabetes mellitus, predominantly in females. It typically begins on the face or head and spreads to other areas of the body, sometimes involving noncutaneous tissues. Often it is preceded by any of various infections, notably staphylococcal infections. The condition resolves spontaneously, usually within two years of onset. (12 Dec 1998) |
| scleregenous | <anatomy> Making or secreting a hard substance; becoming hard. Origin: Gr. Sklhros hard + -genous. Source: Websters Dictionary (01 Mar 1998) |
| sclereid | Type of sclerenchyma cell that differs from the fibre cell by not being greatly elongated. Often occurs singly (an idioblast) or in small groups, giving rise to a gritty texture in, for instance, the pear fruit, where it is known as a stone cell. May also occur in layers, for example in hard seed coats. (18 Nov 1997) |
| sclerema | <medicine> Induration of the cellular tissue. Sclerema of adults. See Scleroderma. Sclerema neonatorum [NL, of the newborn], an affection characterised by a peculiar hardening and rigidity of the cutaneous and subcutaneous tissues in the newly born. It is usually fatal. Synonym: skinbound disease. Origin: NL, fr. Gr. Hard. Source: Websters Dictionary (01 Mar 1998) |
| sclerema adiposum | A severe, sometimes fatal, disorder of adipose tissue occurring chiefly in preterm or debilitated infants suffering from an underlying illness and manifested by a diffuse, nonpitting induration of the affected tissue. The skin becomes cold, yellowish, mottled, and inflexible. (12 Dec 1998) |
| sclerema neonatorum | A severe, sometimes fatal, disorder of adipose tissue occurring chiefly in preterm or debilitated infants suffering from an underlying illness and manifested by a diffuse, nonpitting induration of the affected tissue. The skin becomes cold, yellowish, mottled, and inflexible. (12 Dec 1998) |
| sclerencephaly | A general term for scarring and shrinkage of the substance of the brain. Sclerencephaly occurs because of chronic inflammation of the brain matter. (12 Dec 1998) |
| sclerenchyma | Plant cell type with thick lignified walls, normally dead at maturity and specialised for structural strength. Includes fibre cells, that are greatly elongated and sclereids, that are more isodiametric. Intermediate types exist. (18 Nov 1997) |
| sclerenchymatous | <botany> Pertaining to, or composed of, sclerenchyma. Source: Websters Dictionary (01 Mar 1998) |
| sclereskeleton | <anatomy> That part of the skeleton which is developed in tendons, ligaments, and aponeuroses. Origin: Gr. Hard + E. Skeleton. Source: Websters Dictionary (01 Mar 1998) |