Definition of Ostium

1. n. An opening; a passage.

Definition of Ostium

1. Noun. A small opening or orifice, as in a body organ or passage. ¹

2. Noun. Any of the small openings or pores in a sponge. ¹

¹ Source:

Definition of Ostium

1. an opening in a bodily organ [n OSTIA]

Medical Definition of Ostium

1. Origin: L. An opening; a passage. Source: Websters Dictionary (01 Mar 1998)

Ostium Pictures

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Lexicographical Neighbors of Ostium

ostial sphincter
ostiomeatal complex
ostiomeatal unit
ostium (current term)
ostium abdominale tubae uterinae
ostium aortae
ostium appendicis vermiformis
ostium arteriosum
ostium atrioventriculare dextrum
ostium atrioventriculare sinistrum
ostium cardiacum
ostium ileocaecale
ostium internum
ostium of vermiform appendix
ostium pharyngeum tubae auditivae
ostium primum
ostium pyloricum
ostium secundum

Literary usage of Ostium

Below you will find example usage of this term as found in modern and/or classical literature:

1. A System of Gynaecology by Thomas Clifford Allbutt, William Smoult Playfair (1896)
"Dilat«! abdominal ostium: from a gravid mole-containing tube. (.\~tit. «í'ze. ... A gravid tube with an occluded ostium almost invariably bursts. ..."

2. Commentaries on the Laws of England: In Four Books; with an Analysis of the by William Blackstone, Edward Christian, Joseph Chitty, Thomas Lee, John Eykyn Hovenden, Archer Ryland (1838)
"Which state of uncertainty was probably the reason, that these specific dowers, ad ostium ecclesiae and ex as- sensu patris, have since fallen into total ..."

3. The Law of Persons, Or, Domestic Relations by Epaphroditus Peck (1913)
"Dower ad ostium ecclesiae. The first method devised for affecting this purpose was by the definite grant to her, at the church door, and as a part of the ..."

4. Anatomy, Descriptive and Applied by Henry Gray (1913)
"... and (3) the infundibulum, with its abdominal ostium, surrounded by fimbriae, one of which, ... at the abdominal ostium of the tube, with the peritoneum. ..."

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