apertural
adj. [L. aperire, to open]
Pertaining to or on the same side as the aperture.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • apertural — See aperture. * * * …   Universalium

  • apertural — adj. of an opening, of a hole, of an orifice …   English contemporary dictionary

  • apertural — ap·er·tur·al …   English syllables

  • apertural — ˈapə(r)ˌchu̇rəl adjective : of, relating to, or like an aperture …   Useful english dictionary

  • apertural hook — (Subclass Cirripedia): In acrothoracican, hook like structure protecting aperture. (See also apertural spine) [Stachowitsch, 1992] …   Crustacea glossary

  • apertural spine — (Subclass Cirripedia): In acrothoracican, spine like structure protecting aperture. (See also apertural hook) [Stachowitsch, 1992] …   Crustacea glossary

  • apertural muscle — (BRYOZOA: Gymnolaemata) One of either two pairs of muscles of cheilostomate autozooids, the occlusor muscle of the operculum or the diaphragmatic dilator muscle …   Dictionary of invertebrate zoology

  • apertural canal — noun : the basal extension of the aperture affording lodgment for the siphon in univalve shells …   Useful english dictionary

  • aperture — apertural /ap euhr choor euhl/, adj. apertured, adj. /ap euhr cheuhr/, n. 1. an opening, as a hole, slit, crack, gap, etc. 2. Also called aperture stop. Optics. an opening, usually circular, that limits the quantity of light that can enter an… …   Universalium

  • Oxygyrus keraudrenii — Temporal range: Pliocene Recent[1] Apical view of the shell of Oxygyrus keraudrenii from the Pliocene Epoch …   Wikipedia

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