Anatomy books

Friday, March 20, 2015

features of epithelial tissue

Features of epithelial tissue 

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  1. avascular ( contain no blood vessels, get nutrition by diffusion)
  2. has nervous  innervation 
  3. each epithelial cell has one apical surface, two lateral surfaces and one basal surface 
  4. basal surface of it rest on a basement membrane (a layer form by collagen fibril, and protein, carbohydrate combination) 
  5. if basement membrane is intact the epithelial cells grown normally
  6. cells of epithelial tissue tightly bind with each other by junctional complex
  7. apical surface of epithelial cells modify and formed microvilli, cilia, stereocilia etc.
  8. there are many functions of epithelium : absorption, secretion, diffusion etc 







1 comment:

Prof Dr. Rubina sultana said...

features of epithelium is very important to understand. in this post simple description of it given