protonephridium

P p

Definitions of protonephridium word

noun protonephridium a tubular, excretory structure in certain invertebrates, as flatworms, rotifers, and some larvae, usually ending internally in flame cells and having an external pore 0
noun protonephridium (anatomy) A type of nephridium composed of a network of flame cells or solenocytes. 0

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adjective

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preposition

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exclamation

A common word. It’s meaning is known to most children of preschool age. About 99% of English native speakers know the meaning and use the word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

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