what does epithelium mean?
Epithelium is type of tissue of animal. They present in the lines of cavities and blood vessels.
There are three basic shapes of epithelium
A. Squamous epithelium : cells are width is higher than height
B. Coloumnar epithelium: cells are taller than width.
C. Cuboidal epithelium: in this type both heigh and width near about is same.
Epithelium is present in dermis skin.
These tissue are originated from germ layers namely ectoderm, endoderm and mesoderm.
Functions: To protect dessication and toxins.
They provide sensation to body.
They measure role in the secretion of hormones.
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