Akanth see acanth

akaryote, acaryote n. [Gr. a, without; karyon, nut] 1. Lacking a nucleus. 2. A non-nucleated cell.

akinesis, akinesia n. [Gr. a, without; kinesis, motion] Loss or disturbance of motion, as in certain insects, resulting from loss of antennae.

ala n.; pl. alae [L. ala, a wing] Any wing-like process or structure; a thin, cuticular projection or fin, running longitudinally, usually lateral or sublateral, frequently paired.

alabastrine a. [Gr. alabastros, alabaster box] Pertaining to, or like alabaster; smooth and white.

alacardo n. [L. ala, a wing; cardo, hinge] (ARTHRO: Insecta) The distal sclerite of the cardo.

alacercus n. [L. ala, a wing; Gr. kerkos, tail] (ARTHRO: Insecta) The caudal filament; the middle cercus when three are present.

alacoxasuture n. [L. ala, a wing; coxa, hip; sutura, seam]

(arthro) The suture that appears to divide the coxa into an anterior and posterior part; found on only one side of the coxa.

alacrious a. [L. alacer, lively] Brisk; active; lively.

alacrista n.; pl. -ae [L. ala, a wing; crista, ridge] (ARTHRO: In-secta) In Coleoptera, a ridge on each side of the anterior scutal area that converges posteromesally.

alae pl. of ala alaglossa n. [L. ala, a wing; Gr. glossa, tongue] (ARTHRO: In-secta) Glossae fused into a single plate.

alar a. [L. alaris, of the wing] Pertaining to a wing, or wing-shaped.

alar area (ARTHRO: Insecta) In certain coleopteran scarabaeoid larvae, an integral area immediately above the epipleural area, separated in the thorax by an oblique suture.

alar frenum (ARTHRO: Insecta) 1. In Diptera, a ligament dividing the supra-alar cavity into anterior and posterior areas. 2. In Hymenoptera, a ligament crossing the supra-alar groove toward the wing base.

alaria n. [L. alaris, of the wing] (ARTHRO: Insecta) The notal wing processes.

alarima n. [L. ala, wing; rima, cleft] (ARTHRO: Insecta) The opening between the two paraglossae.

alarm pheromone A chemical released into the environment inducing a fright response in other members of the same species.

alar squama (ARTHRO: Insecta) In Diptera, one of three membranous lobes in the region of the wing base that represents the jugum. see alula, thoracic squama.

alary a. [L. alaris, of the wing] Wing-like; aliform.

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