| SIECUS | Sex Information and Education Council of the United States |
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| SKAT | Sex Knowledge and Attitude Test |
| SLHR | sex-linked hypophosphatemic rickets |
| SLP | left sacroposterior [fetal position] [Lat. sacrolaeva posterior]; segmental limb systolic pressure; ... |
| SO | salpingo-oophorectomy; Schlatter-Osgood [test]; second opinion; sex offender; spheno-occipital [sync... |
| sex pili | <cell biology> Fine filamentous projections (pili) on the surface of a bacterium that are important in conjugation. Often seem to be coded for by plasmids that confer conjugative potential on the host, in the case of the f plasmid, the F pili are 8-9nm diameter and several microns long, composed of pilin. Whether the pili merely serve to establish and maintain adhesive contact between the partners in conjugation or whether DNA is actually transferred through the central core of the pilus is still unresolved, although a simple adhesion role is more generally accepted. (18 Nov 1997) |
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| sex preselection | Methods for control of genetic sex of offspring. (12 Dec 1998) |
| sex ratio | The number of males per 100 females. (12 Dec 1998) |
| sex reversal | A process whereby the sexual identity of an individual is changed from one sex to the other (e.g., by a combination of surgical, pharmacologic, and psychiatric procedures); it may also occur in the life history of pseudohermaphroditic individuals whose sex at birth was uncertain; initially reared as members of one gender or sex role, such individuals may, upon subsequent medical examination and advice, be reared thereafter as members of the opposite gender or sex role. (05 Mar 2000) |
| sex reversal, gonadal | Change from one sex to another with regard to gonadal development; may be induced or occurs naturally in some invertebrates. (12 Dec 1998) |
| sex role | The degree to which an individual acts out a stereotypical masculine or feminine role in everyday behaviour. Compare: gender role. (05 Mar 2000) |
| sex skin | The skin of the genital regions of the Macaca mulatta and other primates which becomes hyperaemic during estrus; at the same time the dermis becomes gelatinous and the epidermis thickened. (05 Mar 2000) |
| sex steroid-binding globulin | A protein that transports 65% of the testosterone in plasma. Synonym: sex steroid-binding globulin. (05 Mar 2000) |
| administration, oral | The giving of drugs, chemicals, or other substances by mouth. (12 Dec 1998) |
| cancer, oral | Cancer of the mouth area. A sore in the mouth that does not heal can be a warning sign of oral cancer. A biopsy is the only to know whether as abnormal area in the oral cavity is cancer. Oral cancer is caused by tobacco (smoking and chewing) and alcohol use. Surgery to remove the tumour in the mouth is the usual treatment for patients with oral cancer. (12 Dec 1998) |
| candidiasis, oral | Infection of the mucous membranes of the mouth by a fungus of the genus candida. (12 Dec 1998) |
| canine oral papilloma | Warts affecting mucous membranes of young dogs; caused by a papillomavirus. (05 Mar 2000) |
| magnesia and alumina oral suspension | A mixture of magnesium hydroxide and variable amounts of aluminum oxide; used as an antacid. (05 Mar 2000) |
| pathology, oral | A dental specialty concerned with pathology of the oral cavity. (12 Dec 1998) |
| pharyngo-oral | Relating to the pharynx and the mouth; oropharyngeal. Origin: pharyngo-+ L. Os (or-), mouth (05 Mar 2000) |