Topic
appendage.
external body part, or natural prolongation, that protrudes from an organism's body (in vertebrate biology, an example would be a vertebrate's limbs); any of the homologous body parts that may extend from a body segment
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About appendage
An appendage is an external body part or natural prolongation that protrudes from an organism's body such as an arm or a leg. Hair, scales, and feathers are cutaneous appendages.
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