n. [Gr. proteros, before; soma, body]
(ARTHROPODA: Chelicerata)
In Acari, a combination of the gnathosoma and propodosoma; pseudotagma.

Online Dictionary of Invertebrate Zoology. . 2005.

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  • prosoma — n. [Gr. pro, before; soma, body] 1. (ARTHROPODA) The anterior part of the body, usually applied to the cephalothorax. 2. (ARTHROPODA: Chelicerata) Fused imperceptably to the opisthosoma in Acari; see proterosoma. 3. (ARTHROPODA: Crustacea)… …   Dictionary of invertebrate zoology

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