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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

By: Denise Drozd

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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

By: Denise Drozd

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.

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Page Count

57

Publisher

Springer

Published Date

ISBN 10

3658251557

ISBN 13

9783658251550

Topographic Organization of the Pectine Neuropils in Scorpions

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

By: Denise Drozd

Write a review Read reviews Take a Quiz Solve Book Puzzle

Topographic Organization of the Pectine Neuropils in Scorpions

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

By: Denise Drozd

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.

Average ratings

N/A

5

0%

4

0%

3

0%

2

0%

1

0%

Solve jigsaw puzzle

Age

Page Count

57

Publisher

Springer

Published Date

ISBN 10

3658251557

ISBN 13

9783658251550