ostium

ostium
A small opening, especially one of entrance into a hollow organ or canal. SEE ALSO: orifice, opening, os, mouth (2). [L. door, entrance, mouth]
- o. abdominale tubae uterinae [TA] SYN: abdominal o. of uterine tube.
- abdominal o. of uterine tube [TA] the fimbriated or ovarian extremity of an oviduct. SYN: o. abdominale tubae uterinae [TA].
- o. anatomicum [TA] SYN: anatomical internal os of uterus.
- o. aortae [TA] SYN: aortic orifice.
- aortic o. SYN: aortic orifice.
- o. appendicis vermiformis [TA] SYN: orifice of vermiform appendix.
- o. arteriosum SYN: left atrioventricular orifice.
- o. atrioventriculare dextrum [TA] SYN: right atrioventricular orifice.
- o. atrioventriculare sinistrum [TA] SYN: left atrioventricular orifice.
- o. cardiacum [TA] SYN: cardial orifice.
- o. histologicum [TA] SYN: histological internal os of uterus.
- o. ileale [TA] SYN: ileal orifice.
- o. ileocecale SYN: ileal orifice.
- o. internum SYN: uterine o. of uterine tubes.
- o. pharyngeum tubae auditivae [TA] SYN: pharyngeal opening of pharyngotympanic (auditory) tube.
- o. pharyngeum tubae auditoriae pharyngeal opening of pharyngotympanic (auditory) tube.
- o. primum SYN: interatrial foramen primum.
- o. pyloricum [TA] SYN: pyloric orifice.
- o. secundum SYN: interatrial foramen secundum.
- o. sinus coronarii [TA] SYN: opening of coronary sinus.
- o. trunci pulmonalis [TA] SYN: opening of pulmonary trunk.
- o. tympanicum tubae auditivae [TA] SYN: tympanic opening of pharyngotympanic (auditory) tube.
- o. ureteris [TA] SYN: ureteric orifice.
- o. urethrae externum [TA] SYN: external urethral orifice.
- o. urethrae internum [TA] SYN: internal urethral orifice.
- o. urethrae internum evacuans [TA] SYN: voiding internal urethral orifice.
- o. uteri [TA] SYN: external os of uterus.
- o. uteri externum SYN: external os of uterus.
- o. uteri internum SYN: isthmus of uterus.
- uterine o. of uterine tubes [TA] the uterine opening of the oviduct. SYN: o. uterinum tubae uterinae [TA], o. internum, uterine opening of uterine tubes.
- o. uterinum tubae uterinae [TA] SYN: uterine o. of uterine tubes.
- o. vaginae [TA] SYN: vaginal orifice.
- o. venae cavae inferioris [TA] SYN: opening of inferior vena cava.
- o. venae cavae superioris [TA] SYN: opening of superior vena cava.
- ostia venarum pulmonalium [TA] SYN: openings of pulmonary veins, under opening.
- o. venosum cordis SYN: right atrioventricular orifice.
- o. of vermiform appendix SYN: orifice of vermiform appendix.

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os·ti·um 'äs-tē-əm n, pl os·tia -tē-ə a mouthlike opening in a bodily part (as a fallopian tube or a blood vessel) <stenosis of coronary ostia (R. L. Cecil & R. F. Loeb)>

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n. (pl. ostia)
(in anatomy) an opening. The ostium abdominale is the opening of the Fallopian tube into the abdominal cavity.

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os·ti·um (osґte-əm) pl. osґtia [L.] an opening, aperture, or orifice. ostial adj

Medical dictionary. 2011.

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  • Ostium — es el nombre genérico que en medicina se da a los orificios corporales, especialmente a los orificios de las trompas uterinas y auditiva. Ostium arteriosum: nombre con el que se conocen los orificios aórtico y pulmonar del corazón. Ostium… …   Wikipedia Español

  • ostium — ● ostium nom masculin Orifice d entrée d eau d une éponge. ● ostium (synonymes) nom masculin Orifice d entrée d eau d une éponge. Synonymes : pore inhalant ostium [ɔstjɔm] n. m. ÉTYM. 1970, Manuila, art. Coronarite; lat. sav. ostium, même sens,… …   Encyclopédie Universelle

  • Ostium — (plural ostia) may refer to: Anatomy Ostium of Fallopian tube Ostium primum or foramen ovale (ostium secundum) of the developing heart Ostium maxillare of the maxillary sinus Ostium of female lepidoptera genitalia This disambiguation page lists… …   Wikipedia

  • ostium — ÓSTIUM s. v. por. Trimis de siveco, 13.09.2007. Sursa: Sinonime  ÓSTIUM s.n. v. ostie2 [în DN]. Trimis de LauraGellner, 13.09.2007. Sursa: DN  ÓSTIUM s. n. 1. (anat.) orificiu. ♢ orificiu care face să comunice între ele cele două auricule ale… …   Dicționar Român

  • ostium — m. anat. Orificio de un órgano, especialmente el de las trompas de Falopio y de Eustaquio. Medical Dictionary. 2011. ostium Véase …   Diccionario médico

  • ostium — [äs′tē əm] n. pl. ostia [äs′tēə] [L ostium: see OSTIARY] Anat. an opening or orifice …   English World dictionary

  • Ostium — Os ti*um, n.; pl. {Ostia}. [L.] (Anat.) An opening; a passage. [1913 Webster] …   The Collaborative International Dictionary of English

  • Ostĭum — (lat.), 1) Mund, Mündung; 2) der Eingang od. die Mündung eines Kanals od. Hafens; 3) (Anat.), Öffnung eines Kanals od. einer Höhle …   Pierer's Universal-Lexikon

  • Ostĭum — (lat.), Eingang, Mündung, Öffnung (besonders in der Anatomie) …   Meyers Großes Konversations-Lexikon

  • Ostium — Ostĭum (lat.), Eingang, Mündung, Öffnung, im altröm. Hause die Flur …   Kleines Konversations-Lexikon

  • ostium — index entrance Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

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