Leydig cell. coloured transmission electron micrograph (TEM) of a Leydig cell from the testis. Leydig cells are involved in steroid synthesis and secr


Leydig cell. coloured transmission electron micrograph (TEM) of a Leydig cell from the testis. Leydig cells are involved in steroid synthesis and secretion of testosterone which is essential for spermatogenesis and for maintenance of secondary sexual characteristics such as hair distribution and pitch of voice. Large amounts of agranular enoplasmic reticulum occupies the cytoplasm (yellow) and is characteristic of endocrine cells. A large central nucleus, mitochondria (green) and lipid droplets (brown) are also present. Magnification: x6000 when printed at 10 centimetres wide.


Size: 4572px × 4059px
Photo credit: © STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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