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Titolo:
Anatomy and in vivo activity of neurons connecting the crustacean stomatogastric nervous system to the brain
Autore:
Bohm, H; Dybek, E; Heinzel, HG;
Indirizzi:
Univ Bonn, Inst Zool, D-53115 Bonn, Germany Univ Bonn Bonn Germany D-53115 iv Bonn, Inst Zool, D-53115 Bonn, Germany
Titolo Testata:
JOURNAL OF COMPARATIVE PHYSIOLOGY A-SENSORY NEURAL AND BEHAVIORAL PHYSIOLOGY
fascicolo: 5, volume: 187, anno: 2001,
pagine: 393 - 403
SICI:
0340-7594(200106)187:5<393:AAIVAO>2.0.ZU;2-Q
Fonte:
ISI
Lingua:
ENG
Soggetto:
LOBSTER PANULIRUS-INTERRUPTUS; GASTRIC MILL ACTIVITY; MOTOR-PATTERN; SPINY LOBSTER; IDENTIFIED INTERNEURONS; SUPPRESSIVE CONTROL; HOMARUS-AMERICANUS; PYLORIC NETWORK; NEURAL-NETWORK; MODULATION;
Keywords:
neural network; feeding behaviour; command fibers; motor control; crayfish;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
50
Recensione:
Indirizzi per estratti:
Indirizzo: Bohm, H Univ Bonn, Inst Zool, Poppelsdorfer Schloss, D-53115 Bonn, GermanyUniv Bonn Poppelsdorfer Schloss Bonn Germany D-53115 onn, Germany
Citazione:
H. Bohm et al., "Anatomy and in vivo activity of neurons connecting the crustacean stomatogastric nervous system to the brain", J COMP PH A, 187(5), 2001, pp. 393-403

Abstract

In decapod crustaceans., the inferior ventricular nerve connects the cerebral ganglia (brain) with the stomatogastric nervous system (STNS). In the ivn of the crayfish, eight axons with diameters between 3.5 mum and 10 mum were found in close proximity to the oesophageal ganglion. Two of these axons terminate with their cell body within the ivn. The projections of the other six axons spread inside many neuropiles of the brain, mainly within the protocerebrum and the neuropils of the first and second antennae. Several fibers also send neurites via the circumoesophageal connectives toward the paired commissural ganglia and further down to the ventral nerve cord. The activity of motoneurons within the STNS and of axons in the ivn was recordedwith implanted electrodes before, during and after times of feeding. At the beginning of feeding all tonically active ivn neurons accelerated their discharge rate and initially silent neurons also started to fire. Spike frequency was correlated with the quantity of food consumed. The ivn response was accompanied by a corresponding increase in pyloric frequency and an initiation of a gastric rhythm. The two motor rhythms showed a strong phasic interaction, but there was no phase coupling to the ivn activity.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 20/01/20 alle ore 22:14:18