Ostium of Fallopian tube
|Ostium of Fallopian tube|
Uterus and uterine tubes. The ostia are seen at either end of each tube
2: Medial surface
3: Lateral surface
4: Free border
5: Mesovarial margin
6: Tubal extremity
7: Uterine extremity
8: Oviduct (fallopian tube)
9: Distal tubal ostium
10: Infundibulum of fallopian tube
11: Fimbriae of fallopian tube
12: Ovarian fimbria
13: Ampulla of fallopian tube
14: Isthmus of fallopian tube
15: Uterine part of fallopian tube
16: Proximal tubal ostium
|Latin||ostium abdominale tubae uterinae|
The proximal tubal opening (ostium or os) is located within the uterus at the uterotubal junction and accessible via hysteroscopy. Occlusion at this opening is referred to as proximal tubal occlusion.
The distal tubal opening (or abdominal ostium) is the opening in the infundibulum of uterine tube into the abdominal cavity. In ovulation, the oocyte enters the Fallopian tube through this opening. It is surrounded by fimbriae, which help in the collection of the oocyte. Occlusion of this opening is referred to as distal tubal occlusion.
- Thurmond AS, Brandt KR, Gorrill MJ. "Tubal Obstruction after Ligation Reversal Surgery: Results of Catheter Recanalization". Radiology, March 1999, 210:747-750. Retrieved 2010-05-28.
- EI-Mowafi DM, Diamond MMP. "Fallopian Tube". Geneva Foundation for Medical Education and Research. Retrieved 2010-05-28.
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