Antepleuron see episternum

antepronotum n. [L. ante, before; Gr. pro, before; notos, back] (ARTHRO: Insecta) In Diptera, the anterior division of the pronotum.

antepudendum n. [L. ante, before; pudenda, external genitals, vulva] (NEMATA) Genital tube proceeding anterior from the vulva in monovarial amphidelphic descendants. an-tepudendic a.

antepygidial bristle (ARTHRO: Insecta) In Siphonaptera, one or more large bristles on the apical margin of the seventh tergum.

anteriad adv. [L. ante, before; ad, toward] Directed toward the anterior part of the body; directed forward, as opposed to posteriad.

anterior a. [L. ante, before] 1. Before or toward the front. 2. Pertaining to the direction in which the head tends to point when an animal is active. 3. (MOLL: Gastropoda) In a crawling gastropod, pertaining to the head being closest to that part of the apertural margin lying farthest from the shell apex; in high-spired conispiral shells, and some others, anterior is equivalent to abapical.

anterior apophyses (ARTHRO: Insecta) In female Lepidoptera, a pair of slender chitinized internal rods extending anteriorly from the ninth abdominal segment.

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