Question

define epithelial tissue. in short​

Answer 1

Answer:Epithelial Tissues:-

1.Epithelial tissues are widespread all over the body.

2.They form the tissue the covering of all body surfaces, line body cavities and hollow organs, and are the major tissue in glands

3.Epithelial cells may be squamous, cuboidal, or columnar in shape and may be arranged in single or multiple layers.

4.The Functions of epithelial cells include secretion, selective absorption, protection, transcellular transport, and sensing.

5.Epithelial layers contain no blood vessels, so they must receive nourishment via diffusion of substances from the underlying connective tissue, through the basement membrane.