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Functions of epithelial tissue
Linings of internal passageways and chambers, forms membranes and glands
How can epithelial tissue be classified?
Number of layers: simple (one) or stratified (lots of layers)
Shape: Squamous (squished), cuboidal (similar width to length), columnar (tall and
slender with oval shaped nuclei), transitional (become flattened when stretched)
give examples of simple squamous epithelia
LINING OF BLOOD VESSELS AND ALVEOLI
give examples of stratified squamous epithelia
SKIN
give examples of simple cuboidal epithelium
LINING OF KIDNEY TUBULES AND IN DUCTS OF GLANDS
give examples of stratified cuboidal epithelium
LINING OF SOME DUCTS (RARE) E.G. SWEAT AND SALIVARY GLANDS
give examples of transitional epithelium
URINARY BLADDER
give examples of (pseudostratified) columnar epithelium
LINING OF THE TRACHEA
give examples of stratified columnar epithelium
SMALL AREAS OF PHARYNX
Role of connective tissue
Supports organs and cells, transports nutrients and wastes, protects against disease,
repair damaged tissue
Examples of connective tissue
Cartilage
Adipose