pair of highly specialized muscular canals extending from the uterus to its corresponding ovary; provide the means for ovum collection, and the site for the final maturation of gametes and fertilization; the fallopian tube consists of an interstitium, an isthmus, an ampulla, an infundibulum, and fimbriae; its wall consists of three histologic layers: serous, muscular, and an internal mucosal layer lined with both ciliated and secretory cells.