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Anatomical Structure of Ctenidia of the Pacific Oyster Crassostrea gigas

Journal of National Fisheries University Volume 61 Issue 4 Page 190-210
published_at 2013-03
61-4-190-210.pdf
[fulltext] 225 MB
Title
マガキの鰓構造
Anatomical Structure of Ctenidia of the Pacific Oyster Crassostrea gigas
Creators Yamamoto Ken-ichi
Creators Handa Takeshi
Source Identifiers
Creator Keywords
Pacific oyster ctenidium exhalent orifice food groove heterorhabdic pseudolamellibranch inner-filament connecting membrane 
The structure of the ctenidium in the Pacific oyster Crassostrea gigas was examined. The inhalent orifice was located in the ventral side the pallial fold to the apex. Two exhalent orifices were in the dorsal side. One was located from the pallial fold to the adductor near the left and right ctenidia, and the other from the adductor to the apex near the left ctenidium. The left and right ctenidia were not divided from the pallial fold to near the labial palp. The gill type showed the heterorhabdic pseudolamellibranch: the primary filament and the ordinary filament were joined by the inner-filament connecting membrane and the inner-laminar connecting membrane.
Languages jpn
Resource Type departmental bulletin paper
Publishers National Fisheries University
Date Issued 2013-03
File Version Version of Record
Access Rights open access
Relations
[ISSN]0370-9361