Steroids.

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  • Source:
    Columbia Electronic Encyclopedia, 6th Edition. 2021, p1-1. 1p.
  • Additional Information
    • Abstract:
      Steroids, class of lipids having a particular molecular ring structure called the cyclopentanoperhydro-phenanthrene ring system. Steroids differ from one another in the structure of various side chains and additional rings. Steroids are common in both plants and animals. In humans, steroids are secreted by the ovaries and testes, the adrenal cortex (see adrenal gland), and the placenta. [ABSTRACT FROM PUBLISHER]
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