Epithelial Cells
lines exposed internal and external surfaces
has ability to regenerate
form glands
little intercellular material
Function
Protection
Control Permeability
Sensation
Specialised secretion
Protection
protect exposed surafce from abrasion dehydration and destruction from biochemicals
Control Permaebility
absorption
secretion
excretion
diffusion
sensation
large sensory nerve supply
information from external and internal environment
specialised secretion
gladular epithelium
secrete to surronding fluid and blood or discharged to epithelial surface
characteristics that allow functions
Additional structures- microvilli, cilia
ability to regenerate