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177855

LIGHT AND SCANNING ELECTRON MICROSCOPICAL OBSERVATIONS ON ADULT HAEMONCHUS PLACEI (NEMATODA: TRICHOSTRONGYLOIDEA) IN CAMELES AT ASSIUT, EGYPT

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Last updated: 23 Jan 2023

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Abstract

The tegumental ultrastructure of adult Haemonchus  placei was studied by scanning electron microscopy  (SEM ). Adult worms were recovered from fourth stomach or abomasum of cameles. The study revealed the presence of a small buccal cavity with a dorsal lancet, 6 internal labial papillae, 6 external labial papillae, 4 somatic papillae and two lateral amphidal pits. The cervical papillae were prominent and spine-like, measured (370µm). The excretory pore was present and measured (315 µm) in diameter. The male bursa bursa had elongated lobes supported by long, slender rayes. The small dorsal lobe was asymmetrical with Y-shaped dorsal rays. The spicules are long, each provided with a small barb and pore near its extremity. The vulva of the female by a linguiform process or flap, and the anal pore at the posterior end of the body had a simple   dorsal rim and a muscular ventral rim.

DOI

10.21608/avmj.2005.177855

Keywords

Key words: Nematode, Trichostrongylidae, Haemonchus placei, Morphology, Scanning Electron Microscopy

Authors

First Name

NAWAL

Last Name

A. M. MAZEN

MiddleName

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Affiliation

Dept. of Zoology, Faculty of Science, Assiut University.

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Volume

51

Article Issue

105

Related Issue

24408

Issue Date

2005-04-01

Receive Date

2005-03-30

Publish Date

2005-04-30

Page Start

1

Page End

8

Print ISSN

1012-5973

Online ISSN

2314-5226

Link

https://avmj.journals.ekb.eg/article_177855.html

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https://avmj.journals.ekb.eg/service?article_code=177855

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21

Publication Type

Journal

Publication Title

Assiut Veterinary Medical Journal

Publication Link

https://avmj.journals.ekb.eg/

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Article

Created At

23 Jan 2023