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(bŭt′ŏn)

An anatomical or pathological structure on a plant or animal that resembles a button, e.g., the tip of a rattlesnake’s rattle, an immature mushroom, or a cotyledon.
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(bŭt′ŏn)

An anatomical or pathological structure on a plant or animal that resembles a button, e.g., the tip of a rattlesnake’s rattle, an immature mushroom, or a cotyledon.
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