Relating to or describing the base of a rostral element, particularly in zoology referring to structures near the base of a beak or snout-like appendage.
From 'basis' (base) + 'rostral' (from Latin 'rostrum', beak). Zoological term for structures at the base of bird or insect beaks.
The basirostral region of a bird's skull tells you everything about its feeding strategy—seed-eaters have different basirostral structures than insect-eaters!
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