Download Epithelium Chart

Epithelium Chart
Mrs. Donohue
Simple Squamous
• Location:
• Forms lining of
mouth and blood
vessels
• Heart and lungs
• Function:
• Promotes diffusion
of gases & liquids
• protection
Simple Squamous
Simple Cuboidal
• Location:
• Ducts of Glands
• lining of kidney
tubules
• Germinal – helps
produce egg and
sperm
• Function:
• Absorption of
nutrients
• Excretion of waste
products
• reabsorption
Simple Cuboidal
Simple Columnar
• Location:
• Forms lining of
stomach &
intestine
• Gastric ulcers
• Nose, ears, &
taste buds
• Function:
• Absorbs nutrients
from digestion of
food
• Sensory
reception
Pseudostratified Columnar
• Picture: nucleus
on different layers
• ciliated
• Location:
• Respiratory
epididymis
• Function:
• Makes mucus
flow
• Remove dust &
bacteria
Stratified or Compound Squamous
• Location
• Keratinized
(impervious to
water) – skin
• Non-keratinized
• Lines mouth, throat,
nose, vagina & anus
• Function:
• Helps with abrasion
• Protection
• sensation
Stratified Squamous
Stratified or Compound Columnar
• Location:
• Tubules of testes
• Ducts of some
glands
• Urinary &
respiratory tract
• Function:
• Withstands wear
and tear
• protection
Transitional
• Diagram: lots of
cytoplasm
• Looks swollen
• Location:
• Urinary tract
(stretched or
relaxed)
• Function:
• Can change shape
from cuboidal to
squamous
• Distends!
Transitional