genital tube

genital tube

[′jen·ət·əl ′tüb]
(invertebrate zoology)
A blood lacuna in crinoids, connected with the subtegminal plexus and suspended in the genital canal.
References in periodicals archive ?
3,4) Often, the worm is highly degenerated, and internal structures, such as the gastrointestinal and genital tubes, may not be readily discernible.