HAPU2: SEC. 8 TISSUE IMAGES

simple squamous

simple cuboidal

simple columnar

transitional

stratified squamous

stratified cuboidal

stratified columnar

pseudostratified columnar

nervous tissue

muscle tissue

connective tissue

simple squamous loc

located in blood vessels, lungs, kidneys

simple cuboidal loc

located in ovaries, glands, kidneys

simple columnar loc

located in stomach, intestines, some respiratory areas

pseudostratified columnar loc

located in nasal cavity and trachea

transitional loc

located in urinary bladder

stratified squamous loc

located in mouth, esophagus, skin

simple squamous function

diffusion and filtiration

simple cuboidal function

secretion

simple columnar function

secrete mucus and absorption

pseudostratified columnar function

secrete mucus and propel debris out of resp. tract (cilia)

stratified squamous function

protect and acts as a barrier

transitional function

holds fluids

simple squamous desc.

1 layer of flat, tile-like cells

simple cuboidal desc.

1 layer of square shaped cells

simple columnar desc.

1 layer of tall, narrow cells

pseudostratified desc.

1 layer of tall, narrow cells; appears stratified but isn’t

stratified squamous desc.

many layers of flat, tile-like cells

transitional desc.

changes shape (can stretch), seems to have many layers bc of overcrowding

desmosomes

rivet cells together

gap junctions

have channels in btn 2 cells allowing molec. to pass btn cells

tight junctions

found btn epithelial cells that line the digestive tract