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The Body Structure of Snails and Slugs

Characteristics of Gastropod Morphology

Body Structure of a Terrestrial Snail: 1: Shell; 2: Digestion gland; 3: Lung; 4: Anus; 5: Respiratory hole; 6: Eye; 7: Tentacle; 8: Cerebral ganglion; 9: Salivary duct; 10: Mouth; 11: Oesophagus; 12:Salivary gland; 13: Genital pore; 14: Pe- nis; 15: Vagina; 16: Mucus glands; 17: Oviduct; 18: Dart sac; 19: Foot; 20: Stomach; 21: Kidney; 22: Mantle; 23: Heart; 24: Spermioduct (Vas deferens). Source: Wikipedia.

Soft Body:

• Body structure

• Snails' Tentacles

• Locomotion

• Nutrition: Movie: A snail feeding on a piece of cucumber. [RN] MOV file, ca. 4,5 MB.

• Respiration and Circulation

• Nervous System

• Sensual Abilities (Including Experiments)

• Reproduction and Development

The Shell:

• Snails' Shells

• Scalariform Shells

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