How can we help?
You can also find more resources in our
Select a category
Something is confusing
Something is broken
I have a suggestion
What is your email?
What is 1 + 3?
covers surfaces, make up glands and tubes
support and bring tissue together, energy reserves, immunity
communication, coordinate activities
closely packed in sheets, single or multiple layers. Apical surface/basal membrane, avascular, has a nerve supply, high cell division
Flat thin cells, rapid passage of substances
square shape, secretionabsorbtion
(thicker cell) Taller, more protection, secretion/absorbtion, may have vilia or cilia
Change shape, cuboidal to flat, streth, in bladder.
single layer, diffusion, osmosis, filtration, secretion/absorbtion
some cuboidal, ovaries, secretory part of glands in thyroid
(also means you have cilia on there) moves mucus/particles
ciliated simple columnar epithelium
trachea/upper respiratory tract.
2 or more layers, protect underlying tissue/ protect skin from heat
protects from heat/micrubes, chemicals-skin
specialized epithelium to creat a substance
secrete into interstitial fluid and diffuse ( pituitary, hormones, adrenals, thyroid)
secretes into ducts/mucus, perspiration, milk, saliva, digestive enzymes