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ostium
[ os-tee-uhm ]
noun
plural ostia
- Anatomy, Zoology. a small opening or orifice, as at the end of the oviduct.
- Zoology. one of the tiny holes in the body of a sponge.
ostium
/ ˈɒ²õ³Ùɪə³¾ /
noun
- any of the pores in sponges through which water enters the body
- any of the openings in the heart of an arthropod through which blood enters
- any similar opening
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˜yÐÄvlog History and Origins
Origin of ostium1
First recorded in 1655–65, ostium is from the Latin word Ųõ³Ù¾±³Ü³¾ entrance, river mouth
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˜yÐÄvlog History and Origins
Origin of ostium1
C17: from Latin: door, entrance
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Example Sentences
Examples have not been reviewed.
At first it does not quite reach the endocardial cushions in the auricular canal, already mentioned, but leaves a gap, called the ostium primum, between.
From
This has nothing to do with the foramen ovale, which occurs as an independent perforation higher up, and at first is known as the ostium secundum.
From
When it is established the septum primum grows down and meets the endocardial cushions, and so the ostium primum is obliterated.
From
Quid ad hominem claustra, carcer, custodia? liberum ostium habet.
From
Decimo quarto Kalendas Januarii Patagonicis recognitis litoribus ad ostium appulit freti.
From
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