axocoel

axocoel

[′ak·sə‚sēl]
(invertebrate zoology)
The anterior pair of coelomic sacs in the dipleurula larval ancestral stage of echinoderms.
References in periodicals archive ?
The anterior tip containing the axocoel was removed from both mid-stage bipinnaria (n = 20) and brachiolaria (n = 20) larvae (including the brachiolar apparatus) (Fig.
The only difference was that the anterior portions of mid-stage bisected larvae contained an axocoel, and therefore did not have to regenerate the coelomic pouches as they were already present.
Immediately after removal from bipinnaria larvae, the anterior tips, which contained both the axocoel and portions of the preoral and postoral ciliary bands, continued to swim (Fig.