An electron microscope study of the circulating leucocytes of the marine mussel, Mytilus edulis

Rasmussen, Lars P.D.; Häge, Esther; Karlog, Ole

doi:10.1016/0022-2011(85)90005-9

Cited by 51 publications

(27 citation statements)

References 15 publications

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“…The structure of the granulocytes is similar to that in M. edulis (Rasmussen et al 1985). However, the granules are electron lucent as in the case of C. virginica (Feng, Feng & Burke 1971).…”

Section: Discussionmentioning

confidence: 60%

“…The haemocytes of molluscs are generally classi¢ed into hyalinocytes and granulocytes (Cheng & Foley 1975;Rodrick & Ulrich 1984;Rasmussen et al 1985;Seiler & Morse 1988;Suresh & Mohandas 1990a). Granulocytes are further classi¢ed into granulocytes and semigranulocytes (Foley & Cheng 1972;Moore & Lowe 1977;Rasmussen et al1985).…”

Section: Discussionmentioning

confidence: 99%

“…Ultrastructural studies were conducted following the methods of Rasmussen, Hage and Karlog (1985) and Hinsch and Hunte (1990) with modi¢cation. The haemolymph was withdrawn from the adductor muscle into three times volume of 3% glutaraldehyde in 0.1M sodium cacodylate bu¡er (Merck, Darmstadt, Germany) containing 12% glucose (pH 7.8; Sisco Research Laboratories).…”

Section: Transmission Electron Microscopymentioning

confidence: 99%

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Characterization of haemocytes of the Indian edible oyster, Crassostrea madrasensis (Preston)

et al. 2006

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The haemocytes of the Indian edible oyster Crassostrea madrasensis were characterized using light and electron microscopy. The light microscopic study was conducted by staining a monolayer of the haemocytes with Geimsa. Cells without granules and with a large nucleus occupying much of the cytoplasmic area were grouped as hyalinocytes. Those with lesser amounts of basophilic cytoplasmic granules were characterized as semigranulocytes and those with large amounts of a mixture of acidophilic and basophilic granules were termed as granulocytes. Ultrastructural studies also revealed the presence of three types of haemocytes. Scanning electron microscopic studies were used to study the spreading behaviour of the haemocytes. Cytochemical studies revealed the presence of acidphosphatase, peroxidase and prophenol oxidase in the cells.

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Section: Discussionmentioning

confidence: 60%

Section: Discussionmentioning

confidence: 99%

Section: Transmission Electron Microscopymentioning

confidence: 99%

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Characterization of haemocytes of the Indian edible oyster, Crassostrea madrasensis (Preston)

et al. 2006

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“…Hemocytes represent the most important internal immune defense system against foreign material in marine bivalve molluscs (Cheng 1981, Bayne 1983, Rasmussen et al 1985. The exact function of bivalve humoral factors in internal defense is not clear (Chu 1988).…”

Section: Introductionmentioning

confidence: 99%

Seasonal changes in hemocytes and serum defense factors in the blue mussel Mytilus galloprovincialis

Santarem¹,

Robledo²,

Figueras³

1994

Dis. Aquat. Org.

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Hemolymph characteristics were examined in experimentally cultured blue mussels Mytilus galloprovincialis Lmk, from 2 locations in the Ria d e Vigo (NW Spain). The highest protein, lysozyrne and agglutinin values were found in July. The increase of agranular hemocytes and the decrease of granular blood cells in April was associated with parasitism by Mytilicola intestinalis. No linkage was found between the number of circulating hemocytes and hemolymph component (lysozyrne, agglutinins and proteins) concentrations with parasitism. It is suggested that the number of circulating hemocytes, lysozyme and proteins levels and agglutination titer were related to the reproductive cycle and varied according to the location of mussels.

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“…In the same cell types there are usually other granules which lack acid hydrolases. Two main cell types are distinguished in the haemolymph of several bivalve molluscs: the non-granular hyalinocytic haemocyte and the granule-containing granulocytic haemocyte [2,3,7,10,30]. These haemocytes constitute the main internal defense system in molluscs, which is brought about by humoral factors and mainly by phagocytosis and cell-mediated cytotoxicity [1].…”

mentioning

confidence: 99%

Light and Electron Microscopical Localization of Lysosomal Acid Hydrolases in Bivalve Haemocytes by Enzyme Cytochemistry.

Cajaraville

Pal

Robledo

1995

Acta Histochem. Cytochem

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An electron microscope study of the circulating leucocytes of the marine mussel, Mytilus edulis

Cited by 51 publications

References 15 publications

Characterization of haemocytes of the Indian edible oyster, Crassostrea madrasensis (Preston)

Characterization of haemocytes of the Indian edible oyster, Crassostrea madrasensis (Preston)

Seasonal changes in hemocytes and serum defense factors in the blue mussel Mytilus galloprovincialis

Light and Electron Microscopical Localization of Lysosomal Acid Hydrolases in Bivalve Haemocytes by Enzyme Cytochemistry.

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