In insects, a small scale-like appendage found at the base of the wing, opposite to or below the tegula.
From anti- (opposite) + tegula (a small tile or scale), from Latin tegula (roof tile), from tegere (to cover). The term is highly specialized in entomology, emerging in the 1800s with detailed insect anatomy studies.
Insect wings are supported by tiny overlapping scales and plates that work like roof shingles—scientists named these after actual roof tiles, showing how nature's engineering repeats patterns we've used in buildings for millennia.
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