Epithelium Flashcards
(12 cards)
What is Epithelium?
A covering or lining
What are epithelial tissue classified (named) by?
Layers, Shape, and Function
Different names of epithelium layers and how many layers in each?
Simple - 1 layer
Stratified - many layers
Pseudo stratified - single layer but looks like many
Different names of epithelium shape? and what do they look like>
Squamous - squashed, flat
Cuboidal - cubed, squares
Columnar - columns, rectangles
Simple Squamous Epithelium
F - Filters & allows for passage of materials
L - Alveoli in lungs
Hint: Rounded with dot in middle. Jaguar prints
Simple Cuboidal Epithelium
F - Secretion
L - Sweat glands
Hint: Octopus hands
Simple Columnar Epithelium (& special feature)
F- absorption and secretion
L - Lining of intestine & stomach
Special - Microvilli & Goblet cells
Hint: Worms, has dark edges for microvilli
Stratified squamous Epithelium
F - Protection
L - skin, mouth, vagina
Hint: wave of water, squashed multiple layers
Transitional Epithelium
F - Allows for stretch
L - Bladder
Hint: coral reef
Ciliated Pseudo-stratified columnar epithelium
F - beat and move secretion
L - Respiratory tract
Hint: Cilliated - hairs at top,
What is the job of the Cilia?
move in a wave and move things along
Why Pseudo?
Look like many layers but are one.
It’s only one because all of the cells are touching the basement membrane