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Human Fallopian Tube, 200X
The Fallopian tubes, also known as, uterine tubes, and salpinges (singular salpinx), are two very fine tubes lined with ciliated epithelia, leading from the ovaries of female mammals into the uterus, via the utero-tubal junction. In non-mammalian vertebrates, the equivalent structures are called oviducts. A cross section of Fallopian tube shows four distinct layers: serosa, subserosa, lamina propria and innermost mucosal layer. The serosa is derived from visceral peritoneum. Subserosa is composed of loose adventitious tissue, blood vessels, lymphatics, an outer longitudinal and inner circular smooth muscle coats. This layer is responsible for peristaltic action of fallopian tube. Lamina propria is a vascular connective tissue. There are two types of cells within the simple columnar epithelium of the Fallopian tube (oviduct). Ciliated cells predominate throughout the tube, but are most numerous in the infundibulum and ampulla.