The structure of specific granules from horse eosinophil leucocytes is still largely unknown. In this work, electron microscopical studies of horse eosinophils reveal that the large cytoplasmic granules contain an external membrane, a m atrix o f less density, and a dense (non crystalline) core. Round vacuolar inclusions of matrix materials were often observed within the cores. Horse eosinophil granules showed a considerable heterogeneity, and three morphological types could be identified according to structural features of the core and matrix.
Received: 1993-4-6
Revised: 1993-7-12
Published Online: 2014-6-2
Published in Print: 1993-8-1
© 1946 – 2014: Verlag der Zeitschrift für Naturforschung
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