Someguy1323 Surfer FCN Regular Nov 18, 2019 #266 Epidemiology...I think I used this before.... Entomology Enthusiastically
T Thalassa Guest Nov 19, 2019 #272 Keratinization The process by which vertebrate epithelial cells become filled with keratin protein filaments, die, and form tough, resistant structures such as skin, nails, and feathers.
Keratinization The process by which vertebrate epithelial cells become filled with keratin protein filaments, die, and form tough, resistant structures such as skin, nails, and feathers.