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The fine structure and differential cell count of blood and coelomic exudate leukocytes were studied with the aim to identify granulocytes from Ameiva ameiva, a lizard distributed in the tropical regions of the Americas. Blood leukocytes were separated with a Percoll cushion and coelomic exudate cells were obtained 24h after intracoelomic thioglycollate injection. In the blood, erythrocytes, monocytes,...
The present work showed the presence of a megasome in Leishmania (Leishmania) chagasi amastigotes. Transmission electron microscopy analysis of ultrathin serial sections and three-dimensional reconstruction allowed visualization of large structures in amastigote forms of L. (L.) chagasi and a multivesicular tubule–lysosome structure in metacyclic promastigotes. Morphometric data showed that the relative...
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