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Medical Term:

interstitial cells


  1. cells between the seminiferous tubules of the testis that secrete testosterone;
  2. cells derived from the theca interna of atretic follicles of the ovary; they resemble luteal cells and are an important source of estrogens;
  3. pineal cells similar to glial cells with long processes.

Synonym(s): Leydig cells

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.