tracheal gill

noun

Definition of tracheal gill

: one of the external filaments or leaflike plates connected with the tracheae of the inside of the body that form part of the respiratory system of some aquatic insect larvae and nymphs but rarely persist in the adult

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Cite this Entry

“Tracheal gill.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tracheal%20gill. Accessed 24 Sep. 2020.

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