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Topographic Organization of the Pectine Neuropils in Scorpions

An Analysis of Chemosensory Afferents and the Projection Pattern in the Central Nervous System...

Denise Drozd

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English
Springer Spektrum
29 January 2019
Series: BestMasters
Chelicerates do not possess dedicated antennae like the Mandibulata but have evolved their second sets of appendages into the eponymous chelicerae. In scorpions, pectines are specialized comb-like structures, located on the ninth body segment, used for examining the substrate for chemo- and mechanosensory signals. The comb teeth, or pegs, are truncated beveled structures facing the substrate for probing, and are studded with numerous sensory receptors. Afferents from the pectines project into a distinct neuropil of the central nervous system, located behind the fourth walking leg neuropils. Denise Drozd analyzes afferents of single pegs in Mesobuthus eupeus by backfilling, combined with immunohistological labeling of neuropil regions. Her results suggest a topographic representation of the chemosensory fibers within the pectine neuropil instead of the typical chemotopic representation.
By:  
Imprint:   Springer Spektrum
Country of Publication:   Germany
Edition:   2019 ed.
Dimensions:   Height: 210mm,  Width: 148mm, 
Weight:   99g
ISBN:   9783658251543
ISBN 10:   3658251549
Series:   BestMasters
Pages:   47
Publication Date:  
Audience:   Professional and scholarly ,  Undergraduate
Format:   Paperback
Publisher's Status:   Active
The Nervous System of Scorpions.- Structural Analysis of the Posterior Pectine Neuropil.- Projection Areas of Chemosensory Afferents.

Denise Drozd is a PhD candidate of Prof. Dr. Harald Wolf at the Institute of Neurobiology at Ulm University, Germany. 

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