TONGUE

                                          TONGUE

Tongue is a voluntary muscular structure that occupies the floor of the mouth.

It is attached by its base to the hyoid bone .

1.INTRODUCTION  : It is a boneless muscle which is present in the mouth .

2. SITUAITION :Situaited at the base of the mouth .

3.STRUCTURE: 2/3^rd portion in front & 1/3^rd  portion in the postrrior part of oral cavity has taste buds & papillae on its surface.

It is a mobile organ with a tip of body and base.

4.BLOOD SUPPLY:

Ø  ARTERIAL BLOOD SUPPLY : Lingual artery branch of Carotid artery.

Ø  VENOUS DRAINAGE: Lingual vein into internal jugular vein .

                    NERVE SUPPLY

                               MOTOR NERVE SUPPLY – Hypoglossal nerve.

Ø                          SENSORY NERVE SUPPLY- Lingual nerve, glassopharyngeal nerve.

FUNCTIONS:

It helps for speech

It helps for Deglutition.

It helps to find the sense of  taste.

It helps for mastication.