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45170

Histological and Lectin Histochemical Characterization of the Efferent Ductules in the Dromedary (Camelus dromedarius)

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Last updated: 22 Jan 2023

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Abstract

The ductuli efferentes in the dromedary were lined with low pseudo- stratified columnar epithelium. Two morphologically distinct types of epithelium were detected; both in- cluded ciliated and non-ciliated cells. Close to the rete testis, the epithelium was less vacuolated and the tubules had narrower lumens. The terminal segment epithelium in some areas had regional height var- iations similar in appearance to the initial portion of the epididymal duct but the nuclei maintained a pattern specific to the efferent ductules, not to the initial part of the epididymal duct. Histochemical characteristics of the epithelial cells were investigated using an array of six lectins: Con-A, DBA, MAA, SBA, SNA-1, and WGA. Specific sugar residues of MAA, SNA-1, and DBA were not detected. The glycocalyx of both ciliated and non-ciliated cells in both type I and type II epithelia showed binding sites for Con-A, SBA, and WGA. The apical and basal cytoplasm showed strong binding for Con-A and WGA in both type I and type II epithelia, but not for SBA in type I epithelium. The Golgi zone appeared to be unstained for Con- A; this was different for WGA and SBA. Basal vacuoles showed different binding patterns for Con-A, SBA and WGA. These regional variations suggest a high degree of functional compartmentalization of the epithelium of the efferent ductules.

DOI

10.21608/jva.2011.45170

Keywords

Efferent ductules, dromedary, lectin histochemistry, efferent ductules morphology

Authors

First Name

Shireen

Last Name

Hafez

MiddleName

A.

Affiliation

Department of Comparative Biomedical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA, 70803. & Department of Anatomy and Embryology, College of Veterinary Medicine, Alexandria University, El-behera, Egypt.

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First Name

Samir

Last Name

El-shafey

MiddleName

M.

Affiliation

Department of Histology and Cytology, College of Veterinary Medicine, Cairo University, Giza, Egypt.

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Orcid

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First Name

Thomas

Last Name

Caceci

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Affiliation

Department of Biomedical Sciences and Pathobiology, Virginia-Maryland Regional Col- lege of Veterinary Medicine, Virginia Polytechnic Institute and State University, Black- sburg, VA, 24061.

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Volume

4

Article Issue

1

Related Issue

6759

Issue Date

2011-04-01

Receive Date

2011-04-01

Publish Date

2011-04-07

Page Start

33

Page End

49

Print ISSN

1687-9988

Online ISSN

2357-0504

Article File

JVA_Volume 4_Issue 1_Pages 33-49.pdf

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https://jva.journals.ekb.eg/article_45170.html

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https://jva.journals.ekb.eg/service?article_code=45170

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4

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Original Article

Type Code

782

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Journal

Publication Title

Journal of Veterinary Anatomy

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https://jva.journals.ekb.eg/

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Created At

22 Jan 2023