| plus | 1. <mathematics> More, required to be added; positive, as distinguished from negative; opposed to minus. 2. Hence, in a literary sense, additional; real; actual. "Success goes invariably with a certain plus or positive power." (Emerson) 3. <mathematics> Plus sign, the sign (+) which denotes addition, or a positive quantity. Origin: L, more; akin to Gr, and cf. Piu, Pleonasm. (11 Mar 1998) |
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| plus lens | A converging lens. Synonym: plus lens. (05 Mar 2000) |
| plus strand | See: replicative form. (05 Mar 2000) |
| fluorescence plus Giemsa stain | <technique> A stain used to demonstrate sister chromatid exchange; cells are grown in 5-bromodeoxyuridine, followed by chromosome preparation, staining in Hoechst 33258, exposure to light, and staining in Giemsa; chromosomes exhibit a "harlequin" appearance. (05 Mar 2000) |
| alveolar soft part sarcoma | <tumour> A malignant tumour formed of a reticular stroma of connective tissue enclosing aggregates of large round or polygonal cells; occurs in subcutaneous and fibromuscular tissues. (05 Mar 2000) |
| palate, soft | The muscular part of the roof of the mouth. The soft palate is directly behind the hard palate. It lacks bone and so is soft. (12 Dec 1998) |
| medicinal soft soap | A soap made with vegetable oils, potassium hydroxide, oleic acid, glycerin, and purified water; used as a stimulant in chronic skin diseases. Synonym: green soap, soft soap. (05 Mar 2000) |
| white soft paraffin | white petrolatum |
| sarcoma, alveolar soft part | A variety of sarcoma having a reticulated fibrous stroma enclosing groups of sarcoma cells, which resemble epithelial cells and are enclosed in alveoli walled with connective tissue. It is a rare tumour, usually occurring between 15 and 35 years of age. It appears in the muscles of the extremities in adults and most commonly in the head and neck region of children. Though slow-growing, it commonly metastasizes to the lungs, brain, bones, and lymph nodes. (12 Dec 1998) |
| soft agar | <cell culture> Semi solid agar used to gelate medium for culture of animal cells. Placed in such a medium, over a denser agar layer, the cells are denied access to a solid substratum on which to spread, so that only anchorage independent (usually transformed) cells are able to grow. (18 Nov 1997) |
| soft cataract | <ophthalmology> An advanced or mature cataract in which the nucleus is not well developed. (05 Mar 2000) |
| soft chancre | A sexually transmitted disease caused by the bacteria haemophilus ducreyi. Causes multiple painful ulcers on the penis and the vulva often associated with tender and enlarged inguinal lymph nodes. (27 Sep 1997) |
| soft corn | <dermatology> A corn formed by pressure between two toes, the surface being macerated and yellowish in colour. Synonym: heloma molle. (05 Mar 2000) |
| soft diet | <nutrition> A normal diet limited to soft foods for those who have difficulty chewing or swallowing; there are no restrictions on seasoning or method of food preparation. (05 Mar 2000) |
| soft-finned | <zoology> Having the fin rays cartilaginous or flexible; without spines; said of certain fishes. Source: Websters Dictionary (01 Mar 1998) |