Fallopian tube. Light micrograph (LM) of a section through a fallopian tube, or oviduct. The fallopian tubes connect the ovaries to the uterus. The lumen is seen centrally, lined with a mucosa (purple) that contains ciliated columnar epithelium and secretory cells. Surrounding this is a vascular layer with capillaries and a layer of smooth muscle (pink).Magnification: x4 when printed at 10 centimetres wide.