labellar abductor apodeme (ARTHRO: Insecta) In Diptera, a small cuticular process below the inner basal margin of each labellum, where the labellar abductor muscle attaches.
labellar basal sclerites (ARTHRO: Insecta) In Diptera, ventral sclerites in the membranous articulation between the prementum and the labella of the labium; basal sclerite.
labellar mesial sclerite (ARTHRO: Insecta) In Diptera, two narrow sclerotized strips on the inner surface of each la-bellum; mesial sclerite.
labellar sclerite (ARTHRO: Insecta) In Diptera, one of several cuticular plates of each labellum; the prominent basal sclerite; the furca of the labellum.
labellum n.; pl. -la [L. dim. labrum, lip] (ARTHRO: Insecta) One of variously expanded apexes of the labium; the bouton or flabellum of bees.
labial a. [L. dim. labrum, lip] Pertaining to lip or labium.
labial area (MOLL: Gastropoda) The flattened or callus-coated surface extending from inner lip of the shell.
labial disc (NEMATA) A circular elevation of cuticle surrounding the oral opening; perioral disc.
labial glands (ARTHRO: Insecta) Salivary glands in the majority of insects, situated below the anterior part of the alimentary canal; ducts originating from these glands unite into a common duct (salivary canal) which opens near the base of the labium or hypopharynx.
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