Toxocara Canis Werner (1782) (Nematoda) From the Dog, Canis familiaris (Canidae): A Light and Scanning Electron Microscopic Stu
Fol, M., El-Ganainy, S., Ahmed, M., Yehia, S., Morsy, K., Adel, A. (2020). Toxocara Canis Werner (1782) (Nematoda) From the Dog, Canis familiaris (Canidae): A Light and Scanning Electron Microscopic Stu. EKB Journal Management System, 12(1), 43-50. doi: 10.21608/eajbse.2020.79240
Mona Fol; Sahar El-Ganainy; Manal Ahmed; Salma Yehia; Kareem Morsy; Asmaa Adel. "Toxocara Canis Werner (1782) (Nematoda) From the Dog, Canis familiaris (Canidae): A Light and Scanning Electron Microscopic Stu". EKB Journal Management System, 12, 1, 2020, 43-50. doi: 10.21608/eajbse.2020.79240
Fol, M., El-Ganainy, S., Ahmed, M., Yehia, S., Morsy, K., Adel, A. (2020). 'Toxocara Canis Werner (1782) (Nematoda) From the Dog, Canis familiaris (Canidae): A Light and Scanning Electron Microscopic Stu', EKB Journal Management System, 12(1), pp. 43-50. doi: 10.21608/eajbse.2020.79240
Fol, M., El-Ganainy, S., Ahmed, M., Yehia, S., Morsy, K., Adel, A. Toxocara Canis Werner (1782) (Nematoda) From the Dog, Canis familiaris (Canidae): A Light and Scanning Electron Microscopic Stu. EKB Journal Management System, 2020; 12(1): 43-50. doi: 10.21608/eajbse.2020.79240

Toxocara Canis Werner (1782) (Nematoda) From the Dog, Canis familiaris (Canidae): A Light and Scanning Electron Microscopic Stu

Egyptian Academic Journal of Biological Sciences, E. Medical Entomology & Parasitology
Article 5, Volume 12, Issue 1, June 2020, Page 43-50  XML PDF (746.26 K)
Document Type: Original Article
DOI: 10.21608/eajbse.2020.79240
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Authors
Mona Fol1; Sahar El-Ganainy2; Manal Ahmed2; Salma Yehia1; Kareem Morsy3; Asmaa Adel4
1Zoology Department, Faculty of Science, Cairo University, Cairo, Egypt
2Zoology Department, Faculty of Science, Minia University, Minya, Egypt
3-Zoology Department, Faculty of Science, Cairo University, Cairo, Egypt -Biology Department, Faculty of Science, King Khalid University, Saudi Arabia
4Zoology Department, Faculty of Science, South Valley University, Qena, Egypt
Abstract
Toxocara canis is one of the most prevalent and pathogenic gastrointestinal nematodes infecting dogs. The present study aimed for the description of this nematode isolated from the dog, Canis familiaris (Canidae) based on light and scanning electron microscopy. The recovered worms were long and yellow by naked eyes. Light and SEM observations showed that the anterior ends of both sexes constitute mouth and buccal capsule, which were surrounded by three well-defined interlocked lips, distinctly offset from the anterior end, one dorsal, and two laterals, the dorsal lip swollen with narrowed dentigerous ridges bordered the outer margin of the internal surface. Two fine cuticular pits were seen on the apex of the external surface of the apical part of the lips with narrow cervical alae that tapered gradually, merged into the cuticle, giving the anterior end a lancet-like appearance. The cuticle is transversely annulated.Male worms 19-31 (24.2± 1) mm long x 0.48-0.62 (0.51± 0.3) mm wide. The posterior end equipped by 32 pairs of papillae. Females long measured 33-42 (35.1± 1) mm long x 0.55-1.33 (0.9±0.02) mm wide. Semicircular anal opening at conical posterior end with no anal lips nor papillae were observed. 
Keywords
Toxocara canis; Nematoda; Toxocaridae; Canis familiaris; Light and scanning electron microscopy
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