bursal slits

bursal slits
Genital openings of the bursa of Ophiurida, through which water circulates for respiration, and ripe sex cells pass for fertilization or are retained as brood until rupture of the aboral disk; see ophiopluteus.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • bursa — n.; pl. bursae [L. bursa, purse] 1. Any pouch or sac, a sac like cavity. 2. A lateral cuticular extension adanal, or surrounding the tail of male nematodes and acanthocephalans that functions as claspers or guides during copulation; has also been …   Dictionary of invertebrate zoology

  • ophiopluteus — n. [Gr. ophis, serpent; pluteus, shed] (ECHINODERMATA: Ophiuroidea) Brood larva of Phrynophiurida, with arms edged with cilia, that metamorphose into adults after escape from the bursa through the bursal slits or rupture of the aboral disk …   Dictionary of invertebrate zoology

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