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17622

Anatomical, Histological And Histochemical Studies On Some Organs Of True Desert Rodents In The Egyptian Habitats

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Last updated: 03 Jan 2025

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Abstract

Aim of the work: The present study aimed to compare between the anatomy, histology and histochemistry of two species belonging to two different families namely Muridae and Dipodidae. Muridae is the largest family of rodents in the world; it is represented in this work by fat sand rat Psammomys obesus. Four-toed jerboa Allactaga tetradactyla represents the other family, Dipodidae. Psammomys obesus lives in coastal presaharan region; the preferred habitat is saline marshes and wadis where halophytic plants were abundant. However, Allactaga tetradactyla, inhabites the salt marshes and clay desert areas of coastal plains. Material and methods: The investigated animals were collected from desert, weighed and transferred alive to the laboratory in separate cages then anaesthetized with ether, after which they were carefully dissected, organs are taken out and prepared for the histological and histochemical studies.
The nucleocytoplasmic index of liver cells was calculated, kidney weighed and the relative thickness of cortex, outer and inner medulla was measured and total glomerular number was recorded. Results: The liver, as in mammalian species, is consists of five separate lobes. The mitotic index of Psammomys obesus is smaller than that found in Allactaga tetradactyla. This may be due to the increased activity of Allactaga tetradactyla.
In the kidney, the cortex is classified into three regions namely superficial, midcortical and juxtamedullary zones. Both number and diameter of glomeruli, glomerular volume and relative glomerular blood volume is greater in Psammomys obesus than that in Allactaga tetradactyla. Conclusion: These observations indicate the ability of Psammomys obesus to produce highly concentrated urine than that of Allactaga tetradactyla.  

DOI

10.21608/ejhm.2008.17622

Keywords

Desert Rodents, histochemical, Liver, kidney

Authors

First Name

Boshra A.

Last Name

El- Salkh

MiddleName

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Affiliation

Department of Zoology, Faculty of Science, Al-Azhar University for Girls

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Orcid

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First Name

Hanaa A.

Last Name

Khidr

MiddleName

-

Affiliation

Department of Zoology, Faculty of Science, Al-Azhar University for Girls

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Orcid

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First Name

Zaki T.

Last Name

Zaki

MiddleName

-

Affiliation

Department of Zoology, Faculty of Science, Al-Azhar University Boys

Email

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City

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Orcid

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First Name

Mohammad I.

Last Name

Basuony

MiddleName

-

Affiliation

Department of Zoology, Faculty of Science, Al-Azhar University Boys

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Orcid

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Volume

33

Article Issue

1

Related Issue

3700

Issue Date

2008-10-01

Receive Date

2018-10-25

Publish Date

2008-10-01

Page Start

578

Page End

306

Print ISSN

1687-2002

Online ISSN

2090-7125

Article File

EJHM_Volume 33_Issue 1_Pages 578-306.pdf

PDF . 960.2kB

Link

https://ejhm.journals.ekb.eg/article_17622.html

Detail API

https://ejhm.journals.ekb.eg/service?article_code=17622

Order

12

Type

Original Article

Type Code

606

Publication Type

Journal

Publication Title

The Egyptian Journal of Hospital Medicine

Publication Link

https://ejhm.journals.ekb.eg/

MainTitle

Anatomical, Histological And Histochemical Studies On Some Organs Of True Desert Rodents In The Egyptian Habitats

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Article

Created At

22 Jan 2023