Tissues

What are the 4 types of tissues?

Epithelial, Connective, Muscle, Nervous

Tissue

a group or mass of similar cells working together to perform common functions

Epithelial Tissue(meaning)

covers the body's external and internal surfaces, lines hollow organs, and forms glands

Epithelial Tissue(function)

protection, secretion, absorption, excretion, senses

How is epithelial tissue catergorized?

based on shape of the cells and the layers of cells

Simple Squamous Tissue(location)

found in air sacs of the lungs and capillaries

SImple Squamous(function)

secretion, diffusion and filtration

Simple

single layer

Stratified

multiple layers

Squamous

flat

Cuboidal

Square

Columnar

column(rectangle)

Simple Cuboidal(location)

lining of the kidney tubules, covering surface of ovaries

Simple Cuboidal(function)

secretion and absorption

Simple Columnar(location)

digestive tract and uterus

Simple Columnar(function)

secretion and absorption

Stratified Squamous(location)

lines body cavities, skin and mouth

Stratified Squamous(function)

protection

Pseudostratified Columnar(location)

lining air passages(trachea) and tubes of the reporuductive system

Pseudostratified Columnar(function)

secretion and cilia-aided movement

Epidermolysis Bullosa

It’s a genetic condition