The ultrastructural morphology of the camel eosinophil

Eugene H. Johnson*, David E. Muirhead, Rashid Al-Busaidy, Babakir E. Musa

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


The ultrastructural morphology of the eosinophil was studied in specimens of peripheral blood from normal adult camels and those with eosinophilia. Specific granules were extremely polymorphic. The specific granules exhibited the basic structure of an electron-dense crystalloid core surrounded by a lighter, homogeneous matrix. The crystalloid cores were extremely variable in size and shape, often were segmented and demonstrated a variety of lamellated patterns that were transverse, longitudinal or concentric to the long axis of the core. It was not uncommon to observe multiple crystalloid cores in a single granule. In addition to large specific granules, microgranules and specific microgranules were observed. The extreme polymorphism of the specific granules and variety of lamellated patterns differentiate camel eosinophils from those of other species.

Original languageEnglish
Pages (from-to)79-84
Number of pages6
JournalVeterinary Journal
Issue number1
Publication statusPublished - Jan 1999


  • Blood
  • Camel
  • Eosinophil
  • Morphology
  • Ultrastructure

ASJC Scopus subject areas

  • Animal Science and Zoology
  • veterinary(all)


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