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| Description: In a secondary follicle the theca differentiates into the theca interna and theca externa. The innermost layer of granulosa cells becomes the corona radiata. The secondary follicle becomes a mature (graafian) follicle. Picture Stats: Views: 2772 Filesize: 1.35MB Height: 900 Width: 1128 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=40569 |