Ovary - Somso Models OV 1 & 2 1 Mesovarium 2 Germinal Epithelium 3 Suspensory Ligament (coverred by Visceral Peritoneum) 4 Tunica Albuginea (outer part of Cortex) 5 Cortex (Cortical Stroma) - outer layer 6 Medulla (Medullary Stroma) - inner layer 7 Ovarian Artery/Vein 8 Smooth Muscle Cells 9 Primordial Follicles 10 Follicular Epithelium of Primordial Follicles 11 Secondary Follicles 12 Atretic Follicle 13 Early Antrum (cavity) containing liquor folliculi (fluid) 14 Graafian (mature) follicle releasing Oocyte (ovulation) 15 Corpus Hemorrhagicum (follicle just after ovulation, filled w/ blood) 16 Corona Radiata of follicle 17 Oocyte 18 Zona Pellucidum 19 Internal Theca (Thecal cells) - produces Testosteron 20 External Theca (connective tissue) 21 Walls of Corpus Hemorrhagicum becoming "luteal" 22 Corpus Luteum - produces progesterone to maintain the uterus for pregnancy 23 Corpus Albicans - remains of follicles 24 Pampiniform Plexus of Ovary (veins) and ovarian arteries Primordial Follicle becomes Secondary Follicle becomes Graafian Follicle which becomes Corpus Hemorrhagicum, then Corpus Luteum, then Corpus Albicans |