part of part of Homo sapiens reproductive structure muscle layer of oviduct longitudinal muscle layer of muscular coat outer muscle layer of fallopian tube ampulla 2026-05-25T00:00:00Z Wikipedia:Fallopian_tube A longitudinal smooth muscle layer that is part of the muscle coat of the ampulla of the fallopian tube. This layer forms the outermost component of the muscularis and works in coordination with the inner circular layer to produce the peristaltic movements necessary for transporting the oocyte and early embryo toward the uterus.