1P.Shobiya.mouth.cephalopod

Shobiya Paramasivam

University of Jaffna

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•It is surrounded by the

ring of appendages.

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Mouth opens into the buccal

cavity.

Most cephalopod possess a

radula as well as a chitinous

beak.(jaws)

Jaws composed of tanned

protein and chitin equipped with

powerful muscles that form large

buccal mass.

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•It is muscular bulb at the

beginning of the digestive

system that contains mouth,

beaks, radula and various

glands.

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Beak is situated in the

buccal mass.

It is surrounded by the

muscular head appendages.

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It is situated in the

buccalmass.

It consists several rows

of teeth or like a

symmetric rows of teeth.

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1) Prey is brought to the mouth.

2) Prey is attacked by beaks.

3) Beaks cut the prey.

4) Radula pull it into buccalcavity and swallow.

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P.Shobiya.mouth.cephalopod16