File:Human ovary follicles light and electron microscopy 01.jpg

Light (A–D) and electron micrographs (E–G) of follicles from normal human ovaries.

Healthy primordial (A), a primary (B) follicle and a healthy 4 mm (C) and an atretic 5 mm (D) follicle. Ultrastructure of the follicle wall of primordial (E) and pre-antral follicles (F, G) Arrows indicate the position of the follicular basal lamina. G, membrana granulosa; T, theca interna; O, oocyte. Scale bar = 5 µm.

Reference

http://humrep.oxfordjournals.org/content/24/4/936.full

Copyright

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Figure 2 has been extracted from original publication and relabelled with figure and reference information.