Antennular scale see stylocerite

antennule n. [L. dim. antenna, feeler] (ARTHRO: Crustacea) The first antenna; anteriormost appendage, primarily sensory in function, but often adapted for other functions in different species; derived from appendages on the primitive second preoral somite; homologous to antennae of insects. see antenna.

antenodal a. [L. ante, before; nodus, knob] Preceding a node or nodes.

antenodal cross veins (ARTHRO: Insecta) In Odonata, wing veins along the costal border between the base and the nodus, extending from the costa to the radius.

anteocular a. [L. ante, before; oculus, eye] Before the eye.

antepectus n. [L. ante, before; pectus, chest] (ARTHRO: Insecta) The underside of the prothorax.

antepenultimate a. [L. ante, before; paene, almost; ultimus, last] Pertaining to the second from the last segment of various invertebrates.

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