コンテンツメニュー

Yamamoto Ken-ichi


Ctenidium structure of the abalone, Haliotis (Nordotis) discus discus (Gastropoda : Aspidobranchia)

Journal of National Fisheries University Volume 56 Issue 4 Page 287-298
published_at 2008-03
56-4-287-298.pdf
[fulltext] 1.18 MB
Title
アワビの鰓構造
Ctenidium structure of the abalone, Haliotis (Nordotis) discus discus (Gastropoda : Aspidobranchia)
Creators Yamamoto Ken-ichi
Creators Handa Takeshi
Creators Kondo Masakazu
Source Identifiers
Creator Keywords
abalone corrosion cast ctenidium histology skeletal rod trabecula
The structure of the ctenidium of the abalone, Haliotis (Nordotis) discus discus, was examined with corrosion casts and histological sections. The cast was made using the prepolymerization methyl methacrylate (MercoxCL-2 R) containing 10 % Mercox MA. The ctenidium was lateralized: the right and left ctenidia. The ctenidial plate was constructed with two walls connected to each other by numerous trabeculae. The interior spaces between the walls structured the blood vessels. The blood filling every blood vessels in the ctenidial plate flew from the afferent branchial vessel to the efferent branchial vessel. The blood flow in the ctenidium and the water flow on the ctenidium were in opposite directions. The ctenidial plate was protected by the skeletal rod in the blood vessel of the efferent side of the ctenidial plate against the hydraulic pressure generated by the lateral cilia.
Languages jpn
Resource Type departmental bulletin paper
Publishers National Fisheries University
Date Issued 2008-03
File Version Version of Record
Access Rights open access
Relations
[ISSN]0370-9361