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Melissa Olson Inglês 2 páginas

Conteúdo das notas (2)

-Epithialial Tissues

1.covering the lining epethlia

-onexternal and internal surfaces

2. Glandar epithelia

-secretory tissues in glands

-Cells have Polarity-apical(Upper,free) and basal(lower,attached) Surfaces

-apical surfaces may bear microvili(brush border of intestinal lining) or cilia

-non-cellular basal lamminia of glycoprotein and collagen lies adjacent to bassal surface

-cells have specialized contacts

-avascular

-ability to regenerate easily

-How many Layers?

1=simple epithelium

>1= stratified epithelium

-what shape is the cell?

-squamous

-cuboidal

-columnar