Morphological studies on Meckel’s diverticulum in the duck (Ansa ansa domesticus)

Document Type : Full paper (Original article)


Department of Basic Sciences, School of Veterinary Medicine, University of Shahrekord, Shahrekord, Iran


This research was carried out to define the morphological features of Meckel’s diverticulum (MD) in
duck and to investigate whether the MD resides in a constant position along the intestinal tract. For this
purpose, a total of 30 adult healthy ducks of both sexes, 50-52 weeks of age were used. After dissecting,
some morphological factors such as: total intestine length as well as the lengths of the intestine from the
gizzard to MD (GMD), from gizzard to cloaca (GC) and from MD to the caecal opening (MDC) were
measured. The weight, thickness and length of MD were then recorded. By using t-test and analysing factors
between two sexes we concluded that, the location of MD in total specimens was 91.52 ± 8.09 cm far away
from the gizzard. There was no significant difference between morphological factors of MD (weight,
thickness and length) in both sexes (P>0.05). There was significant difference (P<0.05) between GMD, GC
in both sexes. In histological studies of MD, aggregated lymphatic follicles and thin muscularis mucosa were
observed in tunica mucosa.