Shoest and narrowest pa of fallopian tube:
Pas of the fallopian tube Interstitial pa: shoest, internal diameter 1mm (narrowest) Isthmus:35 mm long, lumen diameter 2-3 mm Ampulla: 60-75 mm long, widest . Feilisation takes place here Infundibulum: where abdominal ostium opens into the peritoneal cavity
Interstitial
Isthmus
Ampulla
Infundibulum
Maternal Anatomy and Physiology