1 Prefertilization Events ........................................................................................................1
2 Week 1 (Days 1-7) .........................................................................................................6
3 Week 2 (Days 8-14).........................................................................................................11
4 Embryonic Period (Weeks 3-8) ......................................................................................15
5 Placenta, Amniotic Fluid, and Umbilical Cord ................................................................19
6 Cardiovascular System ......................................................................................................28
7 Digestive System ............................................................................39
8 Urinary System ........................................................................................................54
9 Female Reproductive System ....................................................................................................65
10 Male Reproductive System ..................................................................................................71
11 Respiratory System ....................................................................................................79
12 Head and Neck ..................................................................................................................85
13 Nervous System .....................................................................................................92
14 Ear.....................................................................................................107
15 Eye .......................................................................................................112
16 Body Cavities ......................................................................................................119
17 Integumentary System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123
18 Skeletal System ....................................................................................................131
19 Muscular System .............................................................................140
20 Pregnancy....................................................................................................144
21 Numerical Chromosomal Anomalies ..................................................................................................148
22 Structural Chromosomal Anomalies ...............................................................................152
23 Single-Gene Inherited Diseases .............................................................................163
24 Multifactorial Inherited Diseases ..............................................................................169
25 Teratology ..................................................................................................170