Covers surfaces of body and forms glands
Very little matrix- mostly cells Some types have one free surface and one attached surface (to a basement membrane)
EPITHELIAL TISSUE
ProtectionBarrier Control of movement of substances
Secretingabsorption
FUNCTION:
PROTECT YOUR SKIN SO IT CAN PROTECT YOU!
TYPES OF EPITHELIUM: Simple Squamous(one layer) Functions in diffusion, secretion, protection Found in lungs and blood vessels
EPITHELIUM
Simple cuboidal Functions in active and passive transport and secretion Found in kidney tubules, lungs, ovaries
EPITHELIUM Simple columnar Functions in filtering air in lungs with cilia, secretion, and absorption Location: glands. Lungs, stomach, intestines
EPITHELIUM Pseudostratified columnar Functions in synthesis and secretion of mucus, movement of mucus Location: linings of respiratory system
Stratified Squamous (many layers) Functions: protects against abrasion,
infection, and water loss Found in: skin, mouth, respiratory tract,
eyes
STRATIFIED EPITHELIUM
Stratified Cuboidal epithelium Functions in: secretion, absorption, protection against infection
Found in: sweat gland and salivary gland ducts, ovaries
STRATIFIED EPITHELIUM
Stratified columnar epithelium Functions in: protection and secretion Found in: larynx, mammary gland ducts
STRATIFIED EPITHELIUM