mandible

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Abbreviation:

Mn

Variants:

Adj. mandibular

Definition:

One of the first pair of gnathal appendages. In female mosquitoes, occurring just ventrad of the labrum in the premental gutter; reduced or absent in males. In mosquito larvae, borne on the underside of the head where each is implanted obliquely in the membranous area that extends anteriorly from the margin of the lateralia to the cibarial bar; typically flattened lobes with their mesal ends produced into strongly sclerotised teeth and a spiculate lobe. In mosquito pupae, long and slender and flanking the labrum.

Synonyms:

Adults: mandibular blade, mandibular stylet. Pupae: mandibular sheath, sheath of mandible.
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