STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Fallopian tube. Coloured scanning electron micrograph (SEM) of a cross-section through a fallopian tube (oviduct). The fallopian tubes carry the egg from the ovary to the uterus (womb). The interior (lumen) of the tube is lined with a folded mucous membrane, which is surrounded by a thin layer of muscle. The outer layer, the serosa, consists of connective tissue and is highly vascular. Magnification: x11 when printed 10 centimetres wide.
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