Fig. 2From: Non-neoplastic diseases of the fallopian tube: MR imaging with emphasis on diffusion-weighted imagingAnatomy of Fallopian tube. Diagram illustrates the normal anatomy of Fallopian tube. The uterine tube has been distinguished in four anatomical regions: infundibulum with fimbriae, which are closely associated with the ovary, that opens into the peritoneal cavity; ampulla with highly folded structure with plicae and secondary folds dividing the lumen; isthmus with fewer mucosal folds and a thick muscularis layer; intramural portion that passes through the muscular wall of the uterusBack to article page