| OpScan | optical scanning |
|---|---|
| SAM | S-adenosyl-L-methionine; scanning acoustic microscope; senescence accelerated mouse; sex arousal mec... |
| SEM | sample evaluation method; scanning electron microscopy; secondary enrichment medium; standard error ... |
| SLAM | scanning laser acoustic microscope; systemic lupus erythematosus activity measure |
| SLIC | scanning liquid ionization chamber |
| external salivary gland | <anatomy> A salivary gland situated in front of and below the ear. (27 Sep 1997) |
|---|---|
| lingual salivary gland depression | An indentation on the lingual surface of the mandible within which a portion of the submandibular gland lies; it appears radiographically as a sharply circumscribed ovoid radiolucency between the mandibular canal and the inferior border of the posterior mandible. Synonym: Stafne bone cyst, static bone cyst. (05 Mar 2000) |
| abdominal fistula | A tract leading from one of the abdominal viscera to the external surface. (05 Mar 2000) |
| amphibolic fistula | A complete anal fistula opening both externally and internally. (05 Mar 2000) |
| anal fistula | A fistula opening at or near the anus; usually, but not always, opening into the rectum above the internal sphincter. (05 Mar 2000) |
| anorectal fistula | <surgery> An abnormal tube-like passage connecting the anal canal and the rectum. May result from injuries, abscesses or inflammatory processes (for example cancer, Crohn's disease). (27 Sep 1997) |
| arterio-arterial fistula | Abnormal communication between two arteries. It may result from injury or occur as a congenital abnormality. (12 Dec 1998) |
| arteriovenous fistula | <surgery> The surgical joining of an artery and a vein under the skin for the purpose of haemodialysis. Larger arteriovenous shunts can place strain on the heart since arterial blood is diverted back to the venous circulation before it has a chance to deliver nutrients and oxygen to the body tissues. (27 Sep 1997) |
| A-V fistula | <surgery> The surgical joining of an artery and a vein under the skin for the purpose of haemodialysis. Larger arteriovenous shunts can place strain on the heart since arterial blood is diverted back to the venous circulation before it has a chance to deliver nutrients and oxygen to the body tissues. (27 Sep 1997) |
| biliary fistula | Abnormal passage communicating with the biliary tract. (12 Dec 1998) |
| bladder fistula | An abnormal passage in the bladder or between the bladder and another organ. (12 Dec 1998) |
| blind fistula | A fistula that ends in a cul-de-sac, being open at one extremity only. Synonym: incomplete fistula. (05 Mar 2000) |
| B-P fistula | Communication between a bronchus and the pleural cavity; usually caused by necrotizing pneumonia or empyema; also may follow pulmonary surgery or irradiation. Synonym: B-P fistula. (05 Mar 2000) |
| branchial fistula | A congenital fistula in the neck resulting from incomplete closure of a branchial cleft. (05 Mar 2000) |
| Brescia-Cimino fistula | A direct, surgically created, arteriovenous fistula; used to facilitate chronic haemodialysis. (05 Mar 2000) |