Fine structure of the superficial layers of the viper optic tectum. A golgi and electron-microscopic study

1981 ◽  
Vol 199 (3) ◽  
pp. 393-417 ◽  
Author(s):  
J. Repérant ◽  
J. Peyrichoux ◽  
J. P. Rio

Methods of fixing, embedding and sectioning of Amoeba proteus for electron microscopy are described. The fine structure of the various organelles: nucleus, mitochondria, food vacuoles; and the contractile vacuole, is discussed in detail. A number of minor unidentified objects has also been found. The functional implications of the structural findings are considered.


1976 ◽  
Vol 22 (2) ◽  
pp. 197-203 ◽  
Author(s):  
Wanderley De Souza ◽  
M. A. Rossi ◽  
E. W. Kitajima ◽  
R. R. Santos ◽  
I. Roitman

The fine structure of the promastigotes of Herpetomonas sp. (Leptomonas pessoai) kept in a defined medium at 28 °C is described. This protozoon reveals several features in common with other trypanosomatids. A membrane-bounded organelle measuring 0.2 to 0.8 μm in diameter, similar to that described as peroxisome in Crithidia fasciculata, was also observed. A large cavity, located between the nucleus and the kinetoplast and containing vesicles and small particulate material is discussed in this paper.


1998 ◽  
Vol 180 (1) ◽  
pp. 11-14 ◽  
Author(s):  
Mustafa F. Sargon ◽  
H. Hamdi Çelik ◽  
Deniz Demiryürek ◽  
Atilla Dağdeviren

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