" /> rhamphotheca - CISMeF





Preferred Label : rhamphotheca;

Uberon definition : thin keratinized layer of epidermis projecting from outer surface of beak[WP].;

Uberon related term : horny sheath of beak; outer keratin layer of beak;

Uberon Development note : This covering arises from the Malpighian cells of the bird's epidermis,[9] growing from plates at the base of each mandible;

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thin keratinized layer of epidermis projecting from outer surface of beak[WP].

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27/07/2025


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