Venom Apparatus of Conus geographus
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Venom apparatus of the cone snail Conus
geographus. a: Harpoon tooth; b: Radular tooth; c: Radular sheath; d: Venom duct; e: Venom bulb; f: Esophagus; g: Salivary gland; h: Pharynx; k: Proboscis. Blue: Proximal; Light Blue: Proximal central; Red: Distal central; Green: Distal central parts of the venom duct. Source: Hu, H. et al. (2012, PDF). Shell picture: Wikipedia. |