eustachian valve

eustachian valve
eustachian valve n, often cap E a crescent-shaped fold of the lining membrane of the heart at the entrance of the inferior vena cava that directs the blood through the foramen ovale to the left atrium in the fetus but is rudimentary and functionless in the adult

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valvula venae cavae inferioris.

Medical dictionary. 2011.

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  • Eustachian valve — Eustachian Eu*sta chi*an, a. [From Eustachi, a learned Italian physician who died in Rome, 1574.] (Anat.) (a) Discovered by Eustachius. (b) Pertaining to the Eustachian tube; as, Eustachian catheter. [1913 Webster] {Eustachian catheter}, a… …   The Collaborative International Dictionary of English

  • eustachian valve — noun Usage: often capitalized E : a crescent shaped fold of the lining membrane of the heart at the entrance of the vena cava inferior that directs the blood through the foramen ovale to the left auricle in the fetus but is rudimentary and… …   Useful english dictionary

  • Eustachian — Eu*sta chi*an, a. [From Eustachi, a learned Italian physician who died in Rome, 1574.] (Anat.) (a) Discovered by Eustachius. (b) Pertaining to the Eustachian tube; as, Eustachian catheter. [1913 Webster] {Eustachian catheter}, a tubular… …   The Collaborative International Dictionary of English

  • Eustachian catheter — Eustachian Eu*sta chi*an, a. [From Eustachi, a learned Italian physician who died in Rome, 1574.] (Anat.) (a) Discovered by Eustachius. (b) Pertaining to the Eustachian tube; as, Eustachian catheter. [1913 Webster] {Eustachian catheter}, a… …   The Collaborative International Dictionary of English

  • Valve of the inferior vena cava — Infobox Anatomy Name = PAGENAME Latin = valvula venae cavae inferioris GraySubject = 139 GrayPage = 540 Caption = Interior of right side of heart. (Valve of inf. vena cava labeled at lower left.) Caption2 = System = Precursor = MeshName =… …   Wikipedia

  • eustachian tonsil — eu·sta·chian tonsil yu̇ .stā sh(ē )ən also .stā kē ən n, often cap E a mass of lymphoid tissue at the pharyngeal opening of the eustachian tube Eu·sta·chio āu̇ stäk yō Bartolomeo (ca 1520 1574) Italian anatomist. Eustachio served as a professor… …   Medical dictionary

  • valve — 1. A fold of the lining membrane of a canal or other hollow organ serving to retard or prevent a reflux of fluid. 2. Any formation or reduplication of tissue, or flaplike structure …   Medical dictionary

  • eustachian — Described by or attributed to Eustachio. * * * eu·sta·chi·an (u staґke ən) named for Bartolommeo Eustachio (L. Eustachius), Italian anatomist, 1524–1574, as the eustachian muscle, tube, or valve …   Medical dictionary

  • Eustrachian tube — Eustachian Eu*sta chi*an, a. [From Eustachi, a learned Italian physician who died in Rome, 1574.] (Anat.) (a) Discovered by Eustachius. (b) Pertaining to the Eustachian tube; as, Eustachian catheter. [1913 Webster] {Eustachian catheter}, a… …   The Collaborative International Dictionary of English

  • Inferior vena cava — Infobox Vein | Name = PAGENAME Latin = vena cava inferior GraySubject = 173 GrayPage = 677 Image Heart diagram 250px Caption = Anterior (frontal) view of the opened heart. White arrows indicate normal blood flow. Caption2 = DrainsFrom = Source =… …   Wikipedia

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