1. superior labia inferior vestibule (between labia and teeth ) lingual frenulum hard palate soft palate uvula palatine tonsil Oral Cavity Anatomy superior labial frenulum inferior labial frenulum Tooth Anatomy enamel dentin crown root alveolar fossa gingiva periodontal ligament cementum root canal pulp cavity

2. Small Intestine Anatomy mucosa submucosa muscularis externa serosa (visceral peritoneum) plicae circulares villi lumen of small intestine circular muscle longitudinal muscle

3. Villus Anatomy Intestinal crypt lacteal capillaries goblet cell simple columnar epithelial cell arteriole venule lymphatic vessel microvillus

4. Spermatogenesis & Meiosis Spermatogonia (2n) primary spermatocyte (2n) secondary spermatocyte (n) early spermatids (n) Late spermatids (n) Immature sperm (n) sustentacular cell nucleus sustentacular cell tight junction Meiosis I Meiosis II Diploid (2n) to haploid (n) yellow cytoplasm of sustentacular cells

5. tail Midpiece with mitochondria head covered with acrosome Sperm nucleus containing DNA (haploid) tunica albuginea interstitial cells seminiferous tubules rete testis body of epididymis head of epididymis spermatic cord vas (ductus) deferens nerves & blood vessels septa Sperm & Testis

6. Uterus Anatomy Diagram suspensory ligament round ligament broad ligament (mesometrium) ovarian ligament fundus endometrium myometrium perimetrium cervix vagina ovary fimbriae mesovarium uterine (fallopian) tube

7. Ovarian Cycle Diagram primordial follicle primary follicle Graafian follicle (mature) ovulation corpus luteum follicle stimulating homone lutenizing hormone progesterone estrogen menstrual proliferative secretory antrum zona pellucida corona radiata primary oocyte granulosa cells Secondary Follicle

8. Fetal Circulation Anatomy ductus arteriosus ductus venosus foramen ovale umbilical cord umbilical arteries umbilical vein placenta umbilicus

9. Preembryonic Fission fertilization zygote 4 cell stage morula blastocyst implantation ovulation antrum (cavity) inner cell mass trophoblast cleavage

10. Gastrulation Diagram j i g h b a d f e c maternal portion