In biology and medicine, epithelium is a tissue composed of a layer of cells. Epithelium lines both the outside (skin) and the inside cavities and lumen of bodies. The outermost layer of our skin is composed of dead stratified squamous, keratinized epithelial cells.
Urothelium Endothelium Mesothelium Kidney Cervix Intestinal epithelium Respiratory epithelium Skin Exocrine gland Body cavity Epidermis (skin) Gland Keratin Small intestine Mucus Cornea Connective tissue Blood vessel Nose Gastrointestinal tract Germinal epithelium (male) External urethral orifice Paracellular transport Membranous urethra Pathologists Apical membrane Lymph vessel Microvillus Stereocilia Corneal epithelium Respiratory bronchiole Oviduct Squamous epithelium Olfactory epithelium Thin ascending limb of loop of Henle Tubuli seminiferi recti Renal pelvis Spongy urethra Lumen (anatomy) Basal lamina
