| OA | obstructive apnea; occipital artery; occipito-anterior; occiput anterior; octanoic acid; ocular albi... |
|---|---|
| OA/BVM | oral airway/bag-valve-mask |
| OAS | old age security; oral allergy syndrome; osmotically active substance |
| OAW | oral airways |
| OC | obstetrical conjugate; occlusocervical; office call; on call; only child; optic chiasma; oral contra... |
| enterovaginal fistula | A fistulous passage connecting the intestine and the vagina. (05 Mar 2000) |
|---|---|
| enterovesical fistula | A fistula connecting the intestine and the bladder. (05 Mar 2000) |
| ethmoidal-lacrimal fistula | A fistulous communication between the lacrimal sac and the ethmoidal sinus. Synonym: internal lacrimal fistula. (05 Mar 2000) |
| external fistula | A fistula between a hollow viscus and the skin. (05 Mar 2000) |
| faecal fistula | Abnormal passage communicating with the intestines. (12 Dec 1998) |
| umbilical fistula | A fistula of intestine or urachus at the umbilicus. (05 Mar 2000) |
| urachal fistula | A fistula connecting the urachus with a hollow organ. (05 Mar 2000) |
| ureterocutaneous fistula | A fistula between the ureter and the skin. (05 Mar 2000) |
| ureterovaginal fistula | A fistula between the lower ureter and vagina. (05 Mar 2000) |
| urethrovaginal fistula | A fistula between the urethra and the vagina. (05 Mar 2000) |
| urinary fistula | An abnormal passage communicating with the urinary tract. (12 Dec 1998) |
| urogenital fistula | A fistulous opening into the urogenital tract. Synonym: urogenital fistula. (05 Mar 2000) |
| uteroperitoneal fistula | A fistulous tract through the uterine wall opening into the peritoneal cavity. Synonym: metroperitoneal fistula. (05 Mar 2000) |
| fistula | <anatomy, surgery> An abnormal passage or communication, usually between two internal organs or leading from an internal organ to the surface of the body. Frequently designated according to the organs or parts with which it communicates, as anovaginal, brochocutaneous, hepatopleural, pulmonoperitoneal, rectovaginal, urethrovaginal and the like. Such passages are frequently created experimentally for the purpose of obtaining body secretions for physiologic study. Origin: L. Fistula = pipe (18 Nov 1997) |
| fistula auris congenita | A congenital fistula resulting from a defect in the formation of the auricle of the ear. (05 Mar 2000) |