Morphological changes in placenta of tracker dogs at Toxascaris leonina infection
Abstract
Micromorphological changes in placenta tissues of tracker dogs spontaneously infected with Toxascaris leonina are studied. Microscopic study enables to esti-mate the following changes occurring in placenta: involutive changes, adaptive compensatory changes, blood flow disturbances and inflammations. As a result of conducted studies it was determined that T. leonina causes alternative processes in dogs' placenta: dystrophy of decidual cells, of choroid epithelium up to formation of necrosis; blood flow disorders at the utero-placental level; change of thickness of barrier between maternal and fetal blood circulation; immunopathological changes, not complete adaptive compensatory processes. The above mentioned changes result in hypotrophy and hypoxia of fetus.
About the Authors
G. A. Sivkova
Zonal dog service center in Perm Region
Россия
veterinary physician
Россия
veterinary physician
E. S. Patlusova
Anatomic Pathology Laboratory at Perm Regional Children's Clinic Hospital
Россия
PhD in medical sciences
Россия
PhD in medical sciences
T. N. Sivkova
Perm State Agricultural Academy
Россия
doctor of biological sciences
Россия
doctor of biological sciences
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Review
For citations:
Sivkova G.A., Patlusova E.S., Sivkova T.N. Morphological changes in placenta of tracker dogs at Toxascaris leonina infection. Russian Journal of Parasitology. 2014;(3):63-67. (In Russ.)
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