| promontorium | Synonym: promontory. Origin: L. A mountain ridge, a headland, fr. Promineo, to jut out (05 Mar 2000) |
|---|---|
| promontorium cavi tympani | A rounded eminence on the labyrinthine wall of the middle ear, caused by the first coil of the cochlea. Synonym: promontorium cavi tympani, tuber cochleae, tympanic promontory. (05 Mar 2000) |
| promontorium ossis sacri | The most prominent anterior projection of the base of the sacrum. Synonym: pelvic promontory, promontorium ossis sacri, promontory of the sacrum. (05 Mar 2000) |