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Coloured SEM of a seminiferous tubule

Coloured SEM of a seminiferous tubule

P608/0051

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Credit

PROFESSORS P.M. MOTTA, K.R. PORTER & P.M. ANDREWS / SCIENCE PHOTO LIBRARY PROFESSORS P.M. MOTTA, K.R. PORTER & P.M. ANDREWS / SCIENCE PHOTO LIBRARY

Caption

Testis. Coloured scanning electron micrograph showing a cross section of a seminiferous tubule within a testis. This is the site of production and maturation of sperm. The tubule is surrounded by a basal lamina (pale orange) which separates it from other seminiferous tubules. Round undifferentiated cells (blue-purple) line the tubule wall; they will halve their chromosome number and become mature spermatozoa (centre with tails) in a process which takes about two months. Mature sperm then migrate from the tubule to the epididymis where they are stored. Magnification: x590 at 6x7cm size.

Release details

Model release not required. Property release not required.

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