adj. [L. bis, two; fenestra, window]
(NEMATODA: Secernentea)
A term used to describe heteroderid fenestra divided by a broad vulval bridge so that it appears to be two distinct semi-fenestra; see ambifenestrate.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • ambifenestrate — adj. [L. ambo, both; fenestra, window] (NEMATA) A term used to describe two semifenestrae in the vulval cone formed by a narrow vulval bridge, but not surrounding the vulva; see bifenestrate …   Dictionary of invertebrate zoology

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