mesostom
n. [Gr. mesos, middle; stoma, mouth]
(NEMATA)
A division of the protostome preceded anteriorly by the prostome and posteriorly by the metastome; see prostome.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • mesostome — См. mesostom …   Dictionary of invertebrate zoology

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