| Term | Definition |
| Male Gonads | Testes |
| Seminiferous Tubules | Production of Sperm |
| Epididymus | Spermatozoon mature here |
| Vas Deferens/Urethra | Spermatozoa propelled though here |
| Semen | Fluid from seminal vesicle, prostate, bulbourethral gladns |
| Zona Pellucida | Viscous substance secreted by granulosa cells, lines the egg |
| Ovulation | Bursting of follicle |
| Fallopian Tube | Egg released from follicle, secondary oocyte |
| Corpus Luteum | Secretes estradiol and progesterone throughout pregnancy or in no case of pregnancy for 2 weeks until it degrades |
| Corpus Albicans | Degradation of Corpus Luteum |
| Morula | Zygote is composed of 8+ cells |
| Blastocyte | Implantation of former Morula into the uterus = pregnancy |
| Placenta | Tissue of egg and the mother, hormone secretion |
| Determination | Cell becomes committed to specialized developmental path |
| Gastrula | Second week after fertilization by gastrulation, three primary germ layers |
| Ectoderm | out coverings of body, Outer layers of skin, nails, tooth enamel, nervous system and sense organs |
| Endoderm | Cells lining digestive tract, liver and pancreas |
| Mesoderm | Cells between inner and outer layers, muscle, bone, etc |
| Neurula | Neurlation: notochord from mesoderm induces ectoderm to thicken |
| Induces | Occurs when one cell type affects the direction of differentiation of another cell type |
| Apoptosis | Programmed cell death, regulated by proteins, mitochondria important |