Hematology gallery

Compiled by:  Willem Schaftenaar and Fieke Molenaar   

Morphology of blood cells, stained with Wright-Giemsa

Wright-Giemsa stained blood smear of a healthy adult Asian elephant displaying normal erythrocytes, 1 heterophyl, 1 bi-lobed monocyte and several thrombocytes (Courtesy: Rotterdam Zoo).

Wright-Giemsa stained blood smear of a healthy adult Asian elephant displaying normal erythrocytes, 1 bi-lobed monocyte, 1 lymphocyte and several thrombocytes (Courtesy: Rotterdam Zoo).

The images below were published in the Proceedings of the Zoo and Wildlife Health Conference 2020, 23-31: Molenaar F.M. 2020. Developing haematology skills to enable decision making in suspected cases of Elephant Endotheliotropic Herpesvirus hemorrhagic disease.

Heterophyl (H), single lobed and bi-lobed monocytes (M), lymphocyte (L). The arrows pont at platelets (Courtesy: Fieke Molenaar).

Immature heterophyls: bands (Courtesy: Fieke Molenaar).

Eosinophyl (Courtesy: Fieke Molenaar).

Lymphocyte (Courtesy: Fieke Molenaar).

Immature lymphocyte (Courtesy: Fieke Molenaar).

Monocyte (Courtesy: Fieke Molenaar).

Monocytes (Courtesy: Fieke Molenaar).

Immature monocytes (Courtesy: Fieke Molenaar).

Lymphocyte and 2 monocytes (Courtesy: Fieke Molenaar).

Platelets (arrows) (Courtesy: Fieke Molenaar).

Erythrocytes: "codocytes" (target cells with a bulls-eye appearance) occur naturally in elephants (Courtesy: Fieke Molenaar).

 

Fragments of erythrocytes as can be seen in elephants suffering of Disseminated Intravascular Coagulation (e.g. EEHV) (Courtesy: Fieke Molenaar).