Acrostichal hairssetasetulae see acrostichal bristles

acrostichal scales (ARTHRO: Insecta) In Diptera, scales occurring in one or two lines on the acrostichal area.

acrosyndesis n. [Gr. akros, tip; syndesai, to bind together] Incomplete end-to-end pairing of two chromosomes during meiosis; telosyndesis.

acrotergite n. [Gr. akros, tip; L. tergum, back] (ARTHRO: Insecta) The anterior precostal part of the tergal plate of a secondary segment usually in the form of a narrow flange, varying in size or sometimes obliterated.

acroteric a. [Gr. akros, tip; -terion, place for] Relating to or affecting the extremities.

acrotroch n. [Gr. akros, tip; trochos, hoop] (ANN: Polychaeta) The band of cilia anterior to the prototroch (preoral band) of a larval stage.

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