| sonography | Synonym: ultrasonography. Origin: L. Sonus, sound. + G. Grapho, to write (05 Mar 2000) |
|---|---|
| transvaginal | Across or through the vagina. (05 Mar 2000) |
| transvaginal ultrasound | Sound waves sent out by a probe inserted in the vagina. The waves bounce off the ovaries, and a computer uses the echoes to create a picture called a sonogram. Also called tvs. (12 Dec 1998) |