BIO1120- CHP 8- Epithelial Tissues

tissue

composed of a layer or group of cells similar in size, shape, and function

histology

study of tissue

epithelial tissue

Covers the body’s external and internal surfaces and compose most glands

connective tissue

bind and support parts of the body

muscle tissue

makes movement possible

nervous tissue

Conduct impulses from one part of the body to another and help to control and coordinate body activities

stratified

multiple layers

simple

single layers

squamous

flat

alveoli of the lungs and inner linings of the heart and blood vessels

simple squamous location

kidney tubules, thyroid gland, liver, and ducts of salivary glands

Simple cuboidal epithelium location

filtration, diffusion, osmosis, and secretion

simple squamous function

secretion; absorption

Simple cuboidal epithelium function

lining of the uterus, stomach, gallbladder, and intestines.

Simple columnar epithelium location

protection, secretion, movement of mucus and substances

pseudostratified columnar epithelium function

columar

elongated cells

lining of respiratory passages

pseudostratified columnar epithelium location

nonkeratinized

alive cells

keratinized cells

dead cells

protection; secretion

stratified cuboidal function

lines the large ducts of glands and the pancreas

stratified cuboidal location

protection; secretion

stratified columnar function

part of the male urethra, parts of the pharynx

stratified columnar location

many layers, cubed-shaped and elongated cells; thinner layers when stretched

transitional epithelium description

distensibility; protection

transitional epithelium function

linings of the urinary bladder and ureters and part of urethra

transitional epithelium location

unicellular or multicellular

glandular epithelium description

secretion

glandular epithelium function

glands

glandular epithelium location

longitudinal

lengthwise cut

cross-sectional

cut across

oblique

angular cut