Ovary (Follicular Development)

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Histological composite image of the ovary stained with H&E, showing stages of follicular development and corpus luteum. 1. Primordial follicle: Small oocyte surrounded by squamous follicle cells. 2. Primary follicle: Oocyte encircled by cuboidal granulosa cells and zona pellucida. 3. Secondary (antral) follicle: Larger follicle with fluid-filled antrum, granulosa layer, and theca interna and externa. 4. Mature follicle: Expanded antrum, cumulus oophorus, corona radiata, and surrounding theca layers. 5. Corpus luteum: Luteinized granulosa and theca cells forming a glandular structure. Central ovary section shows multiple follicles at different stages. The image illustrates ovarian folliculogenesis and luteinization.
Histology Image
Virginia Commonwealth University, J. Bigbee/University of Virginia, R. Bloodgood

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