ISSN:
1432-0878
Keywords:
Liver
;
Perisinusoidal cell
;
Protein
;
Antarctic fishes
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
,
Medicine
Notes:
Summary Compared with those of other vertebrate animals, the livers of Antarctic fishes have a unique type of perisinusoidal (Ito) cell. These cells were studied in 9 species with emphasis on Dissostichus mawsoni. Perisinusoidal cells are found in large numbers throughout the liver, have long cytoplasmic arms and, in Dissostichus, contain numerous lipid droplets. The extensive rough endoplasmic reticulum and prominent nucleolus are ultrastructural characteristics indicating that these cells are engaged in protein synthesis. An evolutionary specialization, perisinusoidal cells may be partially responsible for the elevated levels of protein synthesis characteristic of fishes in the Antarctic marine environment.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00209988
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