Review Volume 1, Issue 2 pp 157—181

Figure 7. Selection of secondary (A-D) and preovulatory (dominant) follicles (E-F) in the adult human ovary. Staining for Thy-1, HLA-DR (DR), MHC class I light chain (β2m), cytokeratin 18 (CK) and CD68 of mature MDC, as indicated in panels. Dashed line in (A) indicates an area exhibiting diminution of Thy-1 expression by stromal cells. (B), detail from (A). (C) and (D) are semi-parallel sections to (B). Dashed line in (E-J), follicular basement membrane. rf, resting follicles; gf, growing follicle; p, pericytes; e, endothelial cells; v, microvasculature in theca interna (t); vl, vascular layer adjacent to the follicular basement membrane; g, granulosa layer. Details in text. Adapted from Ref. [70], © Wiley-Blackwell.