Histopathology of lesions caused by Pseudocorynosoma constrictum (Acanthocephala: Polymorphidae) in the ileum of blue-winged teal.
J Helminthol
; 94: e166, 2020 Jun 23.
Article
in En
| MEDLINE
| ID: mdl-32571437
ABSTRACT
Pseudocorynosoma constrictum (Van Cleave, 1918) is a polymorphid acanthocephalan that attaches to the digestive tract of waterfowl to complete its life cycle, causing severe histological damage to its definitive avian hosts. In the present study, we present a histopathological analysis of the lesions that P. constrictum induced in the layers of the ileum of the blue-winged teal Anas discors. The results revealed that worms insert the attachment structures into the inner gut muscular layer, which causes substantial swelling, haemorrhaging and necrosis in the tissue near the parasite's proboscis. We also observed that the number of parasites attached to the tissue can obstruct the intestinal lumen; in the most serious case, we observed more than 30 parasites penetrating completely the walls of the bird intestine.
Key words
Full text:
1
Collection:
01-internacional
Health context:
3_ND
Database:
MEDLINE
Main subject:
Birds
/
Acanthocephala
/
Ileum
Limits:
Animals
Country/Region as subject:
Mexico
Language:
En
Journal:
J Helminthol
Year:
2020
Document type:
Article