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Titolo:
ONTOGENY OF FEEDING AND RESPIRATION IN LARVAL ATLANTIC COD GADUS-MORHUA (TELEOSTEI, GADIFORMES) .2. FUNCTION
Autore:
VONHERBING IH; MIYAKE T; HALL BK; BOUTILIER RG;
Indirizzi:
HARBOR BRANCH OCEANOG INST INC,5600 US 1 N FT PIERCE FL 34946 DALHOUSIE UNIV,DEPT BIOL HALIFAX NS B3H 4J1 CANADA UNIV CAMBRIDGE,DEPT ZOOL CAMBRIDGE ENGLAND
Titolo Testata:
Journal of morphology
fascicolo: 1, volume: 227, anno: 1996,
pagine: 37 - 50
SICI:
0362-2525(1996)227:1<37:OOFARI>2.0.ZU;2-Q
Fonte:
ISI
Lingua:
ENG
Soggetto:
GEORGES-BANK; CICHLIDAE; FISHES; MECHANISMS; MORPHOLOGY; PATTERNS; HADDOCK; AMIA;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
32
Recensione:
Indirizzi per estratti:
Citazione:
I.H. Vonherbing et al., "ONTOGENY OF FEEDING AND RESPIRATION IN LARVAL ATLANTIC COD GADUS-MORHUA (TELEOSTEI, GADIFORMES) .2. FUNCTION", Journal of morphology, 227(1), 1996, pp. 37-50

Abstract

Feeding mechanisms were studied in larval cod from first feeding to metamorphosis. Structural and functional changes that govern jaw movement and control the flow of water through the mouth change in concert with requirements for food energy. Early in development, exogenous foodresources supplement the endogenous yolk-sac, viscerocranial structures and functions are simple and nonintegrated, and respiration is cutaneous. Hyoid coupling, which governs mandibular depression via the mandibulohyoid ligament, serves as the major musculoskeletal linkage for opening the mouth. With growth and differentiation of new structures such as the opercular bones, gills, and secondary lamellae, a second musculoskeletal linkage, the levator-operculi coupling, develops. This coupling mediates mandibular depression via the opercular apparatus andinteroperculomandibular ligament and supplements hyoid coupling. Changes in musculoskeletal elements become more complex, facilitating obligatory exogenous feeding and branchial respiration. Thus, increases instructural and functional complexity result in the replacement of thesimple, less efficient feeding mechanism by a complex combination of feeding mechanisms similar to those found in adult Atlantic cod. (C) 1996 Wiley-Liss, Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 11/07/20 alle ore 10:15:15