rectal gills

(ARTHROPODA: Insecta)
In anisopteran Odonata nymphs, an elaborate system of folds in the wall of the rectum, the latter chamber forming the branchial basket.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • rectal tracheal gills — (ARTHROPODA: Insecta) In some nymphs of Odonata, lamellate structures in the rectum supplied with tracheae and tracheoles …   Dictionary of invertebrate zoology

  • insect — insectival /in sek tuy veuhl/, adj. /in sekt/, n. 1. any animal of the class Insecta, comprising small, air breathing arthropods having the body divided into three parts (head, thorax, and abdomen), and having three pairs of legs and usually two… …   Universalium

  • dragonfly — noun Date: 1626 any of a suborder (Anisoptera) of odonate insects that are larger and stouter than damselflies, hold the wings horizontal in repose, and have rectal gills during the naiad stage; broadly odonate …   New Collegiate Dictionary

  • brachial basket — (ARTHROPODA: Insecta) In Odonata, a barrel like chamber in the anterior two thirds of the rectum that functions by the intake and expulsion of water; rectal gills …   Dictionary of invertebrate zoology

  • branchial basket — (ARTHROPODA: Insecta) In Odonata, a chamber of the rectum that contains the rectal gills …   Dictionary of invertebrate zoology

  • Anisoptera — noun dragonflies • Syn: ↑suborder Anisoptera • Hypernyms: ↑animal order • Member Holonyms: ↑Odonata, ↑order Odonata * * * ˌaˌnīˈsäptərə noun plural …   Useful english dictionary

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