Feeding embryonated eggs of Heterakis papillosa to brooder chickens led to a disease of both ceca, characterized by the presence of a core consisting of fecal matter, coagulated blood, and emigrated cells from the mucosa. The walls of the ceca were thickened as a result of cell invasion and multiplication, invasion and multiplication of Amœba meleagridis or allied parasites, and more rarely hemorrhage and edema. The respective parts played by Heterakis papillosa and the protozoa in starting the lesions and the source of the protozoa remain to be defined. The invasion of the liver by the protozoa was insignificant.
Article| August 01 1920
A METHOD FOR FIXING FILMS OF HUMAN BLOOD CELLS DURING THE AMEBOID MOVEMENT OF LEUCOCYTES AND THROMBOCYTES
M. A. Van Herwerden
From the Histological and Embryological Laboratory of the University of Utrecht, Utrecht, Holland.
Received: January 04 1920
Online Issn: 1540-9538
Print Issn: 0022-1007
Copyright, 1920, by The Rockefeller Institute for Medical Research New York
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M. A. Van Herwerden; A METHOD FOR FIXING FILMS OF HUMAN BLOOD CELLS DURING THE AMEBOID MOVEMENT OF LEUCOCYTES AND THROMBOCYTES . J Exp Med 1 August 1920; 32 (2): 135–137. doi: https://doi.org/10.1084/jem.32.2.135
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