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Titolo:
SOMATOTOPIC REPRESENTATION OF THE MEDULLARY FACIAL LOBE OF CATFISH SILURUS-ASOTUS AS REVEALED BY TRANSGANGLIONIC TRANSPORT OF HRP
Autore:
KIYOHARA S; KITOH J;
Indirizzi:
KAGOSHIMA UNIV,COLL LIBERAL ARTS & SCI,DEPT BIOL KAGOSHIMA 890 JAPAN NAGOYA UNIV,SCH MED,INST LAB ANIM RES NAGOYA AICHI 466 JAPAN
Titolo Testata:
Fisheries science
fascicolo: 4, volume: 60, anno: 1994,
pagine: 393 - 398
SICI:
0919-9268(1994)60:4<393:SROTMF>2.0.ZU;2-8
Fonte:
ISI
Lingua:
ENG
Soggetto:
CHANNEL CATFISH; ICTALURUS-PUNCTATUS; CENTRAL PROJECTIONS; CYPRINUS-CARPIO; TACTILE NEURONS; SEA CATFISH; TASTE; ORGANIZATION; NERVE; FIBERS;
Keywords:
TASTE; TASTE NERVE; FACIAL LOBE; SOMATOTOPY; CATFISH;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
18
Recensione:
Indirizzi per estratti:
Citazione:
S. Kiyohara e J. Kitoh, "SOMATOTOPIC REPRESENTATION OF THE MEDULLARY FACIAL LOBE OF CATFISH SILURUS-ASOTUS AS REVEALED BY TRANSGANGLIONIC TRANSPORT OF HRP", Fisheries science, 60(4), 1994, pp. 393-398

Abstract

The facial lobe (FL) of the catfish Silurus asotus is composed of paired structures which are anteriorly tapered and posteriorly swollen longitudinal columns. Two longitudinal columns (lobules) extend caudorostrally in the anterior one-third of the lobe. We studied the central projections of seven major taste peripheral rami into the FL with horseradish peroxidase (HRP) transganglionic labeling methods. The facial afferent fibers of the maxillary barbel ramus terminate over a large area of the FL from anterior to posterior. Their terminal areas are distributed in the medial lobule of the anterior FL, ventral half of the intermediate FL, and lateral portion of the posterior FL. The maxillaryand mandibular fibers project, respectively, to the most lateral portion and to the overall region of the caudal half of the FL. The recurrent facial fibers project to the dorsolateral lobule of the anterior FL. The facial fibers of the hyomandibular and ophthalmic rami project to the most lateral portions in the intermediate region of the rostrocaudal extent of the FL. The intermediate nucleus of the FL which develops as a longitudinal column throughout the caudal two-thirds of the ventromedial portion of the FL receives projections from the maxillary barbel, maxillary and mandibular rami. The present results show that each peripheral taste ramus projects in a precise topographic fashion to the ipsilateral Fl, and that the two lobules, one for maxillary barbel and the other for the trunk are present in the anterior one-third of the FL. The trigeminal fibers of the maxillary barbel, maxillary andmandibular rami project to certain areas of the FL where the facial fibers of each ramus also project.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 08/07/20 alle ore 07:02:39