| 释义 |
Eustachian valve
| (Anat.) | a crescent-shaped fold of the lining membrane of the heart at the entrance of the vena cava inferior. It directs the blood towards the left auricle in the fetus, but is rudimentary and functionless in the adult. |
See also: Eustachian eustachian valve
eustachian valve[yü′stā·shən ‚valv] (anatomy) canal valve eustachian valve
valve of in·fe·ri·or ve·na ca·va [TA] an endocardial fold extending from the anterior inferior margin of the inferior vena cava to the anterior part of the limbus fossa ovalis. Synonym(s): valvula venae cavae inferioris [TA], caval valve, eustachian valve, sylvian valveeustachian valveThe valve at the entrance of the inferior vena cava.See also: valveEustachio, Bartolommeo E., Italian anatomist, 1524-1574. eustachian catheter - a catheter used for catheterization of the middle ear through the eustachian tube.eustachian cushion - a ridge in the nasopharyngeal wall posterior to the opening of the eustachian tube. Synonym(s): torus tubariuseustachian tonsil - a collection of lymphoid nodules near the pharyngeal opening of the auditory tube. Synonym(s): tubal tonsileustachian tube - a tube leading from the tympanic cavity to the nasopharynx. Synonym(s): auditory tube; tuba eustachiana; tuba eustachiieustachian tuber - a slight projection from the labyrinthine wall of the middle ear below the fenestra vestibuli (ovalis).eustachian valve - an endocardial fold extending from the anterior inferior margin of the inferior vena cava to the anterior part of the limbus fossa ovalis. Synonym(s): valve of inferior vena cavatuba eustachiana - Synonym(s): eustachian tubetuba eustachii - Synonym(s): eustachian tubeThesaurusSeevalve |