Functional Morphology and Biochemistry of Molluscan Phagocytes*

Cheng, Thomas C.

doi:10.1111/j.1749-6632.1975.tb35116.x

Cited by 186 publications

(82 citation statements)

References 34 publications

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“…Our results confirmed the data of Cheng (1975), Cheng and Auld (1977), and Jeong and Heyneman (1976) regarding the existence of two types of defense cells in molluscan hemolymph with granulocytes being more numerous than hyalinocytes. Hydrocortisone had an immunosuppressive effect on both cell types in S. mansoni infected (group IV) and non-infected (group II) mollusks.…”

Section: Discussionsupporting

confidence: 91%

The influence of hydrocortisone on cellular defence mechanisms of Biomphalaria glabrata

Serrano

Zanotti-Magalhães

Magalhães

et al. 2002

Mem. Inst. Oswaldo Cruz

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Section: Discussionsupporting

confidence: 91%

The influence of hydrocortisone on cellular defence mechanisms of Biomphalaria glabrata

Serrano

Zanotti-Magalhães

Magalhães

et al. 2002

Mem. Inst. Oswaldo Cruz

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“…A similar model was described by Cheng (1975). Two more models of the same event were described by Bang (1961) and Renwrantz et al (1979).…”

Section: Discussionmentioning

confidence: 89%

“…Bivalve haemocytes are usually classified into 2 types, granulocytes and hyalinocytes (Cheng 1975, Auffret 1988. Nevertheless, heterogeneous cell populations are not precisely characterized in terms of their respective defence functions.…”

Section: Introductionmentioning

confidence: 99%

Differential phagocytic ability of the circulating haemocyte types of the carpet shell clam Ruditapes decussatus (Mollusca:Bivalvia)

López¹,

Carballal²,

Azevedo³

et al. 1997

Dis. Aquat. Org.

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Phagocytosis of foreign materials by haemocytes is an important aspect of the internal defence of bivalve molluscs. Two main haemocyte types can be distinguished in the haemolymph of the clam Ruditapes decussatus: granulocytes and hyalinocytes. The ability of clam haemocytes to phagocytose zymosan particles, Vibrio P1 cells and trophozoites of the protistan parasite Perkinsus atlant~cus was demonstrated by means of in vitro assays. However, clam haemocytes did not phagocytose atlanticus zoospores in the assays. Granulocytes showed the highest phagocytic capacity in each assay. Phagocytic capacity of haemocytes was not significantly affected by clam age. An ultrastructural study of phagocytosis showed the following sequence of events: engulfment of particles by pseudopods, formation of a phagocytic vacuole, fusion of lysosomes with the phagocytic vacuole, and digestion of the particles giving rise to residual bodies that might be discharged.

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“…Two kinds of hemocytes are found in fresh hemolymph samples of B. glabrata. Probably, the round and spreading cells distinguished in stained preparations are the hyalinocytes and granulocytes described by various authors (Cheng 1975, Yoshino 1976. In peripheral lymph preparations, these cells differ greatly with respect to the development of their organelles (pseudopodia, Golgi bodies, lysosomes) (Barracco et al 1993).…”

Section: Discussionmentioning

confidence: 99%

Extra-cellular matrix changes in Schistosoma mansoni-infected Biomphalaria glabrata

Borges

Andrade

2003

Mem. Inst. Oswaldo Cruz

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Functional Morphology and Biochemistry of Molluscan Phagocytes*

Cited by 186 publications

References 34 publications

The influence of hydrocortisone on cellular defence mechanisms of Biomphalaria glabrata

The influence of hydrocortisone on cellular defence mechanisms of Biomphalaria glabrata

Differential phagocytic ability of the circulating haemocyte types of the carpet shell clam Ruditapes decussatus (Mollusca:Bivalvia)

Extra-cellular matrix changes in Schistosoma mansoni-infected Biomphalaria glabrata

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