Comparative Anatomy, Histology, Histochemistry, and Immunohistochemistry of the Esophagus in Ostrich (Struthio camelus) and Turkey (Meleagris gallopavo)
Comparative Anatomy, Histology, Histochemistry, and Immunohistochemistry of the Esophagus in Ostrich (Struthio camelus) and Turkey (Meleagris gallopavo)
Rabab Abd Alameer Naser1*, Sameer Ahmed Abid Al-Redah2, Enas S. Ahmed3, Fatimah S. Zghair2, Ali Ibrahim Ali Al-Ezzy4
ABSTRACT
This study aimed to identify differences in the esophagus of ostriches and turkeys at the macroscopic, microscopic, histochemical, and immunohistochemical levels. Seven male turkeys and ostriches were obtained from Diyala province during the summer (July-September). Euthanasia was performed using anesthesia with Xylazine and Ketamine. Esophageal sections (cranial, middle, and caudal) were collected for microscopic, immunohistochemical, and biochemical analysis. Compared to turkeys, ostriches lacked a distinct crop (second esophageal segment). In bothostriches” and “turkeys, the first esophageal segment was longer than the thoracic segment. Histologically, the esophagus in both species had four layers. The mucosa was lined by a thick, keratinized stratified squamous epithelium. Immunohistochemical analysis revealed the presence of serotonin receptors in this layer. The density of glands in the lamina propria increased distally. Turkeys possessed tubular acinar glands, while ostriches had simpler tubular glands. The submucosa was less distinct in turkeys compared to ostriches, where it was well-developed. The muscularis layer also differed between the two species.
Keywords | Anatomy, Histology, Esophagus, Ostrich, Turkey
To share on other social networks, click on any share button. What are these?
July 2024
Vol. 12, Iss. 7, pp. 1206-1409
