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Horny Structure

Definition: A bodily structure or appendage made of horny tissue, typically composed of keratin, a tough protein found in the outer layer of skin and various body parts of certain animals.

Sense 1: In zoology, a horny structure refers to any hard, pointed, or rigid body part present in certain animals, often serving various functions such as defense, courtship, or feeding.

Example: The rhinoceros' horn is a prominent horny structure used for territorial defense and combat.

Sense 2: In botany, a horny structure refers to a tough, stiff, or rigid growth present in certain plants, usually serving as a protective covering, support, or reproductive organ.

Example: The conifer tree's cones are horny structures responsible for protecting and dispersing its seeds.

Sense 3: In human anatomy, horny structures can include various body parts like nails, hooves, horns, or the tough outer layer of some skin conditions like corns and calluses.

Example: The nail, composed of hardened and keratinized cells, is a common example of a human horny structure.

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