Cell Anatomy

Q. Mention the functions of cell membrane.

Answer:

Functions of cell membrane are:

1. It maintains size & shape of the cell & provides microenvironment of cells.

2. Transport of substances between exterior & interior

3. Separates the protoplasmic contents from those of the neighboring cell.

4. Provides intercellular contact through the glyco-calyx.

5. Generates membrane potential (Example-In muscle cell & nerve Cell)

6. Serves as sites of reception of external hormonal or others chemical stimuli.

7. Relays any stimulation from cell to cell through intercellular contact.

8. The cell membrane forms a sensory surface. 9. Helps in processing of antibodies

10. Phagocytosis & pinocytosis occurs through the cell membrane. 11. It is the site for the recognition & attachment of other cell.

12. It form the protective barrier of the cell

(Ref: Janquira histology-12")

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