Question

Difference between simple and compound epithelium

Answer 1

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Simple Epithelium:

1. Single layer of epithelical cells resting on a basement membrane are called as simple epithelium.

2. They are present in secretory and absorptive surface.

3. It is not protective as it can't resist the damages due to mechanical or chemical abrasions.

4. Squamous, cubical, columnar epithelium etc.

Compound Epithelium:

1. It consists of more than one layer. The inner most layer of cells are arranged on basement membrane.

2. They are not involved in secretory or absorptive functions.

3. Because of multi layered structure they help in protection of tissues below them.

4. They may be transitional or stratified i.e. stratified squamous epithelium.

Answer 2

Simple Epithelium -

• Simple Epithelium is made up of only one layer of cell.

• It is located at lining of the body cavities, blood and lymph vessels, heart and respiratory system.

• Simple epithelium is responsible for secretion, respiration, absorption etc.

Compound Epithelium -

• Compound epithelium is made up of more than one layer of cell.

• They are found in body parts with more wear, tear and injury.

• They are generally protective.