| simplexvirus | A genus of the family herpesviridae, subfamily alphaherpesvirinae, consisting of herpes simplex-like viruses. (12 Dec 1998) |
|---|---|
| Simplified Oral Hygiene Index | An index that measures the current oral hygiene status based upon the amount of debris and calculus occurring on six representative tooth surfaces in the mouth; often used in field surveys of periodontal disease. (05 Mar 2000) |
| simplist | One skilled in simples, or medicinal plants; a simpler. Source: Websters Dictionary (01 Mar 1998) |
| Simpson uterine sound | A slender flexible metal rod used to calibrate or dilate the cervical canal, or to hold the uterus in various positions during gynecologic surgery. (05 Mar 2000) |
| Simpson's forceps | An obstetrical forceps. (05 Mar 2000) |
| Simpson,Sir James | <person> Scottish obstetrician, 1811-1870. See: Simpson uterine sound, Simpson's forceps. (05 Mar 2000) |