Fig. 2
From: In vitro maturation (IVM) of human immature oocytes: is it still relevant?
Cumulus − oocyte complex morphology of oocytes with expanded cumulus cells (CC) collected from < 10mm size of follicles in hCG-primed IVM cycles. A Metaphase II (MII)-stage oocyte with little expanded corona radiata. B Germinal vesicle (GV)-stage oocyte with little expanded corona radiata. Original magnification (× 200). PB = 1st polar body