click below
click below
Normal Size Small Size show me how
Fall341
CH 1 & 2
Term | Definition |
---|---|
Apoptosis | the death of cells which occurs as a normal and controlled part of an organism's growth or development. |
Tissues from Endoderm | GI tract epithelium and associated glands |
Tissues from Ectoderm | Nervous system Sensory epithelium of eye, ear and nose. Epidermis, hair, nails. Mammary and cutaneous glands Cavities, intraoral glands tooth enamel |
Tissues from Mesoderm | Muscles CT derivatives: bones, cartilage, blood, dentin, pulp, cementum and periodontal ligaments |
Trilaminar Disk | trilaminar layer forms in the 3rd week of development. contains 3 germ layers: ectoderm, mesoderm, and endoderm |