Морфогенез плямок пейєра сліпих кишок качок віком 150-240 діб

В. Т. Хомич, Т. А. Мазуркевич

Анотація


morphogenesis of cecal peyer’s patches in DUCKS
AT THE AGE OF 150–240 DAYS

 

V. T. Khomych, T. А. Mazurkevych

 

Abstract. Aggregated (Payers patches) and occasional lymphoid nodules present cecum lymphoid tissue of ducks. Studied Payers patches ducks’ cecum aged from 150 to 240 days, using accepted methods of morphological studies. Found that in ducks aged from 150 to 240 days length of blind gut decreases with increasing of the birds age. Herewith the left colon is longer than such right. Payers patches located as chain in the wall of ducks’ cecum base. Their morphometric parameters decrease with the increasing of the birds age. Lymphoid tissue in the Payers patches of the ducks’ cecum aged from 150 to 240 days is found in tunica mucosa and muscularis. In the tunica mucosa of all ducks age groups lymphoid tissue represented by diffuse lymphoid tissue and secondary lymphoid nodules. There are only secondary lymphoid nodules in the muscle membrane. The content of lymphoid tissue and some of its forms in Payers patches of cecum changes with the increasing of ducks age. In future, it is planned to study morphogenesis of other intestinal lymphoid structures of these age groups of ducks, and explore the cellular composition of these objects in ducks from hatching to 240 days old.


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