A useful mnemonic to remember the order of the five segments of the fallopian tube, from lateral to medial, the direction an ovum would pass following ovulation, is:
- Four INches Across IS IMpossible
Four inches (10 cm) is the approximate length of the fallopian tube.
Mnemonic
- F: fimbriae
- IN: infundibulum
- A: ampulla
- IS: isthmus
- IM: intramural (interstitial)