英语词汇“pollex”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

pollex

/ˈpɒlɛks

noun (plural pollices /ˈpɒlɪsiːz/) Anatomy & Zoology

The innermost digit of a forelimb, especially the thumb in primates.The forefeet and hindfeet have 3 large digits; the pollex and hallux are reduced in size or absent and the fifth finger is very small....

Four clawed digits are found on each forefoot (the pollex or ‘thumb’ is small and bears a nail); the hind foot in most has five clawed digits (but sometimes the hallux or first toe has a nail).
All eusauropods, in contrast, are characterized by a shortened manus in which each digit bears two or fewer phalanges, and only the pollex bears an ungual.

Origin

Mid 19th century: from Latin, literally 'thumb or big toe'.

单词	pollex
释义	pollex /ˈpɒlɛks / noun (plural pollices /ˈpɒlɪsiːz/) Anatomy & Zoology The innermost digit of a forelimb, especially the thumb in primates.The forefeet and hindfeet have 3 large digits; the pollex and hallux are reduced in size or absent and the fifth finger is very small.... Four clawed digits are found on each forefoot (the pollex or ‘thumb’ is small and bears a nail); the hind foot in most has five clawed digits (but sometimes the hallux or first toe has a nail). All eusauropods, in contrast, are characterized by a shortened manus in which each digit bears two or fewer phalanges, and only the pollex bears an ungual. Origin Mid 19th century: from Latin, literally 'thumb or big toe'.
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