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2 definitions found

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 eustachian valve 名詞
 歐氏瓣:下腔靜脈瓣

From: Webster's Revised Unabridged Dictionary (1913)

 Eu·sta·chi·an a.  Anat. (a) Discovered by Eustachius. (b) Pertaining to the Eustachian tube; as, Eustachian catheter.
 Eustachian catheter, a tubular instrument to be introduced into the Eustachian tube so as to allow of inflation of the middle ear through the nose or mouth.
 Eustrachian tube Anat., a passage from the tympanum of the ear to the pharynx. See Ear.
 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.
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