词根词缀：dactylo-, dactyl-, dactylio-, -dactyl, -dactyla, -dactylia, -dactylic, -dactylism, -dactyloid, -dactylous, -dactyly

【来源及含义】Greek: finger, toe

【相关词根词缀】 Cross references directly, or indirectly, involving the "toes" and "fingers": digit-; hallu-; phalang-.

【同源单词】acrocephalopolysyndactyly, acrocephalosyndactylia, acrocephalosyndactyly, adactyl, adactylia, adactylism

词根词缀：ptero-, pter-, -ptera, -pteron, -pteryx, -ptery, -pterous

【来源及含义】Greek: feather; wing, winglike

【相关词根词缀】 Related "feather, feather-like; soft down, plumage" word units: penna-; pinni-, pin-; plum-, -plume; pterido-; ptilo-.

【同源单词】Aphaniptera, apterex, apteria, apterous, apteryx, Archaeopteryx