Rostrum (from Latin rostrum, meaning beak) is a term used in anatomy for several kinds of hardened, or bony, beak-like structures or extensions projecting out from the skull or mouthparts of an animal. Despite some visual similarity, many of these are phylogenetically unrelated structures in widely varying species.
Rostrum (from Latin rostrum, meaning beak) is a term used in anatomy for several kinds of hardened, or bony, beak-like structures or extensions projecting out from the skull or mouthparts of an animal. Despite some visual similarity, many of these are phylogenetically unrelated structures in widely varying species.
Source: Wikipedia "Rostrum (anatomy)" · CC BY-SA 4.0
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