Search
ostium
An opening or orifice.
Specific
abdominal ostium of uterine tube
internal cervical os
internal ostium/opening of uterine tube, (uterine ostium/opening of uterine tube)
ostium primum (interatrial foramen primum)
ostium secundum (interatrial foramen secundum)
General
anatomic structure
References
Stedman's Medical Dictionary 27th ed, Williams &
Wilkins, Baltimore, 1999