prosoma


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prosoma

(prō-sō′mə)
n.
The anterior of the two or three main divisions of the body of certain invertebrates, especially the cephalothorax of an arachnid.

pro·so′mal adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

prosoma

the anterior part of the main body of arachnids.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
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References in periodicals archive ?
The aim of this study was to show the relationship between temperature as a factor which disturbs morphogenesis and anomalies in the front of the prosoma.
Colouration in ethanol: As in male, but dorsal prosoma with patches fused with darker eye region to bands, excluding the foveal anterior patch and lateral patches.
Male total length: 6.71, prosoma length 3.40, prosoma width 2.98, opisthosoma length 3.31, opisthosoma width 2.42.
Males had eroded spots on the subfrontal area of the prosoma and claspers, which result from amplexus.
The shrew flipped the scorpion on its back and administered a series of rapid bites to the prosoma, piercing the body wall and killing the scor pion.
El prosoma o cefalotorax en el que se encuentran de manera externa los queliceros y los ganchos inoculadores e internamente la glandula venenosa; los ojos son entre 1 y 4 pares y segun su posicion y numero pueden servir para clasificar las aranas por generos (figuras 1 y 2).
oval prosoma and opisthosoma, chitinized carapace) across all developmental stages and life forms, body shapes vary, e.g., in the ratio prosoma-opisthosoma or the ratio body-leg size.
Considering the size of the smaller adults from a previous study in the same region (Torres-Sanchez & Gasnier, 2010), we divided the spiders in two size categories: "Large"--with prosoma length (PL) [greater than or equal to] 12 mm (sub-adult and adult) and "Small", with PL < 12 mm (young and sub-adult).
LpArthOps2 transcripts were not detected in the eyes, CNS, or tail of older juveniles (measuring 2.5-3.5 cm across the prosoma) or adults; however, they were detected in the CNS of young juvenile animals, between their first and second juvenile molts.
Mycelial growth for DNA extraction was collected from the ventral surface of 3 coxae and from the dorsal side of the prosoma of each spider.