Cookies Policy

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies.

I accept this policy

Find out more here

Decussating Interneurons Mediate Antennular Withdrawal in the Blue Crab, Callinectes Sapidus

No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
The full text of this article is not currently available.

Brill’s MyBook program is exclusively available on BrillOnline Books and Journals. Students and scholars affiliated with an institution that has purchased a Brill E-Book on the BrillOnline platform automatically have access to the MyBook option for the title(s) acquired by the Library. Brill MyBook is a print-on-demand paperback copy which is sold at a favorably uniform low price.

This Article is currently unavailable for purchase.
Add to Favorites
You must be logged in to use this functionality

Cover image Placeholder

Abstract Four large (Type I) interneurons with cell bodies in the anterior cluster of the brain and decussating axonal processes in an oesophageal connective initiate antennular withdrawal behavior in Callinectes sapidus. Recurrent neurites from the oesophageal process of each interneuron project into antennal and lateral antennular neuropils. These recurrent processes have varicosities on their terminal processes that are hypothesized to possess output synapses onto antennular withdrawal motoneurons. Secondary neurites of Type I interneurons in the medial antennular neuropil receive tertiary branches from antennal and lateral antennular neuropils. These secondary neurites in the medial antennular neuropil also receive short latency, excitatory input from mechanosensory afferent fibers from the antennule base. Intracellular depolarization of Type I interneurons produces antennular withdrawal ipsilateral to the descending axonal process. Intracellular recordings from identified withdrawal motoneurons during depolarization of Type I interneurons produces excitatory postsynaptic activity in these motoneurons that is of short latency. Hyperpolarization tests of Type I interneurons during stimulus-evoked fictive antennular withdrawal show that each is sufficient but not necessary for the production of withdrawal. Type I interneurons in Callinectes are morphologically and physiologically similar to interneurons previously described in Carcinus maenas.

Affiliations: 1: a Department of Biology, University of North Carolina-Wilmington, 601 South College Road, Wilmington, North Carolina 28403, U.S.A.


Full text loading...


Data & Media loading...

Article metrics loading...



Can't access your account?
  • Key

  • Full access
  • Open Access
  • Partial/No accessInformation