THE HISTOLOGICAL AND HISTOCHEMICAL STRUCTURE OF ILEUM IN THE SLENDER-BILLED GULL (Chroicocephalus genei)

This study was aimed to identify the histological and histochemical composition of the Ileum in the Slender-billed gull (Chroicocephalus genei). It was using histological stains and histological chemical techniques. The results showed that the Ileum was relatively long, so it characterized into two...

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Main Authors: A. M. Taha, A. A. Abed
Format: Article
Language:English
Published: Baghdad University 2022-12-01
Series:The Iraqi Journal of Agricultural science
Subjects:
Online Access:https://jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/1649
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author A. M. Taha
A. A. Abed
author_facet A. M. Taha
A. A. Abed
author_sort A. M. Taha
collection DOAJ
description This study was aimed to identify the histological and histochemical composition of the Ileum in the Slender-billed gull (Chroicocephalus genei). It was using histological stains and histological chemical techniques. The results showed that the Ileum was relatively long, so it characterized into two parts: an anterior part and a posterior part. The results showed that the mucous layer in the two parts consisted of villi that appeared conical in the anterior region and conical to a triangle in the posterior part, and the villi were more numerous and longer in the anterior part. The villi covered with a simple columnar epithelial tissue containing goblet cells in the two regions, but the goblet cells were significantly more numerous in the posterior part. The secretory units of Lieberkuhkn's crypts were more widespread and numbered in the posterior part. Clusters of lymphocytes also seemed close to the lymph nodule in the anterior part. The outer muscle layer consisting of one layer of smooth circular muscles appeared in the anterior part, while it was composed of three secondary layers in the posterior part. Histochemically, the two parts of Ileum showed different responses between them for PAS, AB, TB, BP and SB techniques. The study concluded that the histological and histochemical composition of the Ileum appeared somewhat complicated to suit the nature of the food of this bird.
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spelling doaj.art-0cb7e22f8d734957ac05a60c7df98f142023-01-10T10:35:29ZengBaghdad UniversityThe Iraqi Journal of Agricultural science0075-05302410-08622022-12-0153610.36103/ijas.v53i6.1649THE HISTOLOGICAL AND HISTOCHEMICAL STRUCTURE OF ILEUM IN THE SLENDER-BILLED GULL (Chroicocephalus genei)A. M. TahaA. A. Abed This study was aimed to identify the histological and histochemical composition of the Ileum in the Slender-billed gull (Chroicocephalus genei). It was using histological stains and histological chemical techniques. The results showed that the Ileum was relatively long, so it characterized into two parts: an anterior part and a posterior part. The results showed that the mucous layer in the two parts consisted of villi that appeared conical in the anterior region and conical to a triangle in the posterior part, and the villi were more numerous and longer in the anterior part. The villi covered with a simple columnar epithelial tissue containing goblet cells in the two regions, but the goblet cells were significantly more numerous in the posterior part. The secretory units of Lieberkuhkn's crypts were more widespread and numbered in the posterior part. Clusters of lymphocytes also seemed close to the lymph nodule in the anterior part. The outer muscle layer consisting of one layer of smooth circular muscles appeared in the anterior part, while it was composed of three secondary layers in the posterior part. Histochemically, the two parts of Ileum showed different responses between them for PAS, AB, TB, BP and SB techniques. The study concluded that the histological and histochemical composition of the Ileum appeared somewhat complicated to suit the nature of the food of this bird. https://jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/1649ileum, histochemistry, goblet cells, Lieberkuhkn's crypts.
spellingShingle A. M. Taha
A. A. Abed
THE HISTOLOGICAL AND HISTOCHEMICAL STRUCTURE OF ILEUM IN THE SLENDER-BILLED GULL (Chroicocephalus genei)
The Iraqi Journal of Agricultural science
ileum, histochemistry, goblet cells, Lieberkuhkn's crypts.
title THE HISTOLOGICAL AND HISTOCHEMICAL STRUCTURE OF ILEUM IN THE SLENDER-BILLED GULL (Chroicocephalus genei)
title_full THE HISTOLOGICAL AND HISTOCHEMICAL STRUCTURE OF ILEUM IN THE SLENDER-BILLED GULL (Chroicocephalus genei)
title_fullStr THE HISTOLOGICAL AND HISTOCHEMICAL STRUCTURE OF ILEUM IN THE SLENDER-BILLED GULL (Chroicocephalus genei)
title_full_unstemmed THE HISTOLOGICAL AND HISTOCHEMICAL STRUCTURE OF ILEUM IN THE SLENDER-BILLED GULL (Chroicocephalus genei)
title_short THE HISTOLOGICAL AND HISTOCHEMICAL STRUCTURE OF ILEUM IN THE SLENDER-BILLED GULL (Chroicocephalus genei)
title_sort histological and histochemical structure of ileum in the slender billed gull chroicocephalus genei
topic ileum, histochemistry, goblet cells, Lieberkuhkn's crypts.
url https://jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/1649
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