coelomic sacs
Cavities representing the coelom that appear in the mesoderm in embryology.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • coelomic canals and sacs — (SIPUNCULA) Dermal canals, spaces or diverticula containing coelomic fluid connected with the body cavity through small pores; possibly aiding respiration …   Dictionary of invertebrate zoology

  • axocoel — n. [Gr. axon, axle; koilos, hollow] (ECHINODERMATA) The first pair of coelomic sacs in an embryo, that open to the surface by the hydropore …   Dictionary of invertebrate zoology

  • somatocoel — n. [Gr. soma, body; koilos, hollow] (ECHINODERMATA) The posterior of the three regions of coelomic sacs of the embryonic coelom, anterior (axocoel), and middle (hydrocoel) …   Dictionary of invertebrate zoology

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