Forming sensory organs requires complicated interactions between numerous cell types. Building these tissues in a dish from human stem cells helps researchers understand how they develop over time and ...

Keratin is the tough, fibrous protein that gives fingernails their hardness, hair its strength, and skin its outermost armor.

Forward-looking: Swedish scientists are pushing regenerative medicine closer to a breakthrough that could one day allow doctors to rebuild living skin, complete with blood vessels. Building on years ...

We each shed millions of skin cells every day. A wealth of different types of cells lurk beyond the epidermis, the outer layer that contains mostly keratinocytes: hair follicles, pigment cells, immune ...