Locations and Types of Ephytelial Tissue

simple squamous

alveoli of lungs

simple cuboidal

kidney tubules, liver, thyroid, mammary, salivary glands

simple columnar

inner lining of stomach, intestines, gallbladder, uterus

pseudostratified columnar

respiratory tract (nasal cavity to bronchi)

stratified squamous keratinized

epidermis, palms and soles

stratified squamous non-keratinized

vagina, tongue, esophagus, anal canal

stratified cuboidal

ducts (sweat and sperm), follicles of ovaries

transitional

bladder, urinary tract

simple

single layer, secretion and absorption

stratified

multiple layers, resists abrasion, sweat secretion, can stretch

functions of epithelia

protection, absorption, secretion, filtration, sensory reception

columnar

tall narrow, often ciliated

squamous

flat, like fried eggs