| TDF | testis-determining factor; thoracic duct fistula; thoracic duct flow; time-dose fractionation; tissu... |
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| TEF | thermic effect of food; thyrotroph embryonic factor; tracheoesophageal fistula; transcriptional enha... |
| TOF | tetralogy of Fallot; time-of-flight; train of four [monitor]; tracheo[o]esophageal fistula |
| VACTERL | vertebral abnormalities, anal atresia, cardiac abnormalities, tracheoesophageal fistula and/or esoph... |
| VATER | vertebral defects, imperforate anus, tracheoesophageal fistula, and radial and renal dysplasia |
| external carotid nerves | A number of sympathetic nerve fibres conveyed via the cephalic arterial ramus of the sympathetic trunk which extends from the superior cervical ganglion to the external carotid artery, forming the external carotid plexus. Synonym: nervi carotici externi. (05 Mar 2000) |
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| external carotid plexus | An autonomic plexus formed by the external carotid nerves surrounding the artery of the same name, and giving origin to a number of secondary plexus's along the branches of this artery and to branches to the carotid body. Synonym: plexus caroticus externus. (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) |