My Profile

Qualifications

Experiences

1. Quality Coordinator for the Biological Science Program – College of Science and Arts, Najran University (1444 AH – Present).
2. Head of the Faculty Members’ Standard 4 (Faculty) in the Biological Science Program – College of Science and Arts, Najran University (1444 AH – Present).
3. Member of the Program Quality Assurance Standard in the Biological Science Program – College of Science and Arts, Najran University (1444 AH – Present).
4. Member of the Executive Plan Preparation Committee – College of Science and Arts, Najran University (1444 AH – Present).
5. Member of the Program Accreditation Committee – College of Science and Arts, Najran University (1444 AH – Present).
6. Member of the Scientific Research Committee for the Biological Science Program – College of Science and Arts, Najran University (1444 AH – Present).
7. Member of the Community Service Committee for the Biological Science Program – College of Science and Arts, Najran University (1445 AH – Present).
8. Member of the Student Activities Committee for the Biological Science Program – College of Science and Arts, Najran University (1445 AH – Present).
9. Member of the Promotions Committee for the Biological Science Program – College of Science and Arts, Najran University (1445 AH – Present).

Specialties and Skills

Najran University: Department of Biology

1. Comparative Anatomy (Vertebrates)
2. Histology
3. Chordates
4. Embryology
5. Biodiversity
6. Invertebrate zoology
7. English for Science

Training Courses

الدورات التدربية

الأبحاث العلمية

الوصف

1. Massoud, D., Alrashdi, B. M., Germoush, M. O., AbdRabou, M. A., Alrayes, Z. R., Al-Otaibi, A. M., ... & Kandyel, R. (2025). Comparative morphological and histological characterization of palatal mucosa in rodent models: structural divergences among rats (Rattus Norvegicus), mice (Mus musculus), and hamsters (Cricetus cricetus). Zoomorphology, 144(3), 1-12.‏
2. Kandyel, R., Alasmari, S., Alharethi, S., Albogami, B., Almadiy, A., Gewily, D., ... & Abumandour, M. (2025). Dorso-ventral skin of flowered racer snake (coluber flourulentus, perreti schatti, 1988): Histological, Keratin immunohistochemical, and ultrastructural characterization. Tissue and Cell, 96, 102966.‏
3.  Gewily, D., Kandyel, R., Madkour, F., Abumandour, M., Choudhary, O. P., Tantawy, A. H., & Shalaby, W. (2025). New insights into the comparative retinal microstructure-visual daily activity relationship among three Egyptian snakes: diurnal Psammophis sibilans and Psammophis schokari, and both diurnal and nocturnal Spalerosophis diadema. Zoologischer Anzeiger.‏
4. Al-Mosaibih, M. A., Fayad, E., Kandyel, R., Roshdy, K., Massoud, D., Nomir, A. G., ... & Abumandour, M. (2025). Comparative ultrastructure characterization of the oropharyngeal cavity floor (lower beak, tongue, laryngeal entrance) of the newly hatched domestic duck (Anas platyrhynchos domesticus) and Muscovy duck (Cairina moschata). Tissue and Cell, 95, 102861.‏
5. . Shalaby, W., Kandyel, R., Abumandour, M., Al-Ghamdi, F. A., & Gewily, D. (2024). Comparison of anatomical visual features of the eyeball, lens, and retina the diurnal common kestrel (Falco tinnunculus rupicilaeformis) and the nocturnal little owl (Athene noctua glaux). BMC Veterinary Research, 20(1), 541.‏
6. Rashwan, A. M., Abumandour, M. M., Kandyel, R., Choudhary, O. P., Soliman, R. M., El Sharaby, A., & Nomir, A. G. (2024). Implications of endoplasmic reticulum stress and beta-cell loss in immunodeficient diabetic NRG-Akita mice for understanding monogenic diabetes. International Journal of Surgery, 110(10), 6231-6242.‏
7. Abumandour, M., Haddad, S., Farrag, F., Kandyel, R., Roshdy, K., Massoud, D., & Khalil, E. K. (2024). Biological aspects of the lingual papillae of the Arab Zebu cattle: a new perspicuity of its chad ecological adaptations. BMC zoology, 9(1), 21.‏
8. Farrag, F., Kandyel, R., Khalil, E. K., Hamouda, H., Elnegiry, A., Shukry, M., & Mohamed, M. Y. (2025). Ultrastructural Study of the Digestive System in the Common Kestrel (Falco tinnunculus)‎. Egyptian Journal of Veterinary Sciences, 56(7), 1405-1412.‏
9. Ramadan Kandyel, Hebat Allah EL Basyouny , Badr Albogami, Naglaa Madkour, Mohamed Abumandour. Comparative ultrastructural of the oropharyngeal cavity roof in tarentola annularis and heremites vittatus: to special reference to palate adaptation with feeding habits. Zoologischer Anzeiger. DOI:10.1016/j.jcz.2023.11.004.
10. Abdellatif AM, Lashen S, Kandyel RM, Shoeib MB, Madkour FA. Age-related morphological and ultrastructural changes in the palate and pharyngeal masticatory apparatus of grass carp (Ctenopharyngodon idella) juveniles. Tissue Cell. 2023 Nov 7;86:102264. doi: 10.1016/j.tice.2023.102264. Epub ahead of print. PMID: 37984223.
11. Madkour, F. A., Abdellatif, A. M., Osman, Y. A., & Kandyel, R. M. (2023). Histological and ultrastructural characterization of the dorso-ventral skin of the juvenile and the adult starry puffer fish (Arothron stellatus, Anonymous 1798). BMC Veterinary Research, 19(1), 221.‏ doi.org/10.1186/s12917-023-03784-0
12. Kandyel, R. M., Choudhary, O. P., El-Nagar, S. H., Miles, D. B., & Abumandour, M. (2023). Tongue of the Egyptian Endemic Bridled Skink (Heremites vittatus; Olivier, 1804): Gross, Electron Microscopy, Histochemistry, and Immunohistochemical Analysis. Animals, 13(21), 3336.‏
13. Gewily, D., Shalaby, W., Abumandour, M., Choudhary, O. P., & Kandyel, R. (2023). Pecten oculi of kestrel (Falco tinnunculus rupicolaeformes) and little owl (Athene noctua glaux): Scanning electron microscopy and histology with unique insights into SEM–EDX elemental analysis. Microscopy Research and Technique.‏ DOI: 10.1002/jemt.24449
14. Basyony, M., & Kandyel, R. (2023). Impact of parotoid gland secretions of the Egyptian toad (Bufo relgularis) on kidney functions of Ehrlich ascites carcinoma bearing mice. Biological and Biomedical Journal, 1(1), 23-29.‏
15. Madkour, F. A., Choudhary, O. P., & Kandyel, R. M. (2023). Preen gland of the laughing dove (Streptopelia senegalensis aegyptiaca): Light and electron microscopic analysis. Microscopy Research and Technique.‏ https://doi.org/10.1002/jemt.24313
16. El-Naggar, S. A., Basyony, M. A., El-Feki, S. M., & Kandyel, R. M. (2023). Parotoid gland secretions of the Egyptian toad (Bufo relgularis): In vivo antitumor effect on Ehrlich ascites carcinoma bearing mice. Journal of Bioscience and Applied Research, 9(1), 33-45.‏
17. Elghoul, M., Kandyle, R., & Abumandour, M. (2023). Microscopic Focus on the Different Hepatic Cells of The Young Domesticated Pig (Sus suidae). Alexandria Journal for Veterinary Sciences, 76(2).‏
18. Salem, S. B., El-Naggar, S. A., Kandyel, R. M., & El-Sharkawy, M. M. Histopathological and immunohistochemical studies of new born and adult rat’s cerebellum post-exposure to zinc oxide nanoparticles: Possible protective role of EDTA.‏ Egypt. J. Exp. Biol. (Zool.), 19(1): 15 – 27 (2023)
19. Ramadan Kandyle, Hebat Allah El Basyouny,Kareem Morsy,Nagah M. Abourashed,Naglaa Madkour,Mohamed M. A. Abumandour . Gross, ultrastructural, and histological characterizations of pecten oculi of the glossy ibis (Plegadis falcinellus): New insights into its scanning electron microscope–energy dispersive X-ray analysis. September 2022 https://doi.org/10.1002/jemt.24228. Microscopy Research and Technique.
20. Madkour, F. A., & Kandyel, R. M. (2022). Histomorphology and ultrastructure of the proventriculus of the broad breasted white turkey (Meleagris gallopavo, Linnaeus 1758). Microscopy Research and Technique.‏
21. Abumandour, M. M., Madkour, N., Morsy, K., Haddad, S., Abourashed, N. M., El Basyouny, H. A., & Kandyel, R. M. (2022). Lingual papillary system of the Egyptian mouse?tailed bat (Rhinopoma hardwickii): New insights to its feeding strategies using scanning electron microscope, and immunohistochemical analysis of keratin. Microscopy Research and Technique.
22. .‏Abumandour, M. M., Massoud, E., El?Kott, A., Morsy, K., El?Bakary, N., Abumandour, R., ... & Kandyel, R. (2022). Morphological adaptations on the eye of the golden gray mullet (Chelon aurata): Using light and scanning electron microscopical study. Microscopy Research and Technique.‏
23. Kandyel, R. M., El Basyouny, H. A., El Nahas, E. E., Madkour, F., Haddad, S., Massoud, D., ... & Abumandour, M. (2022). A histological and immunohistochemical study on the parabronchial epithelium of the domestic fowl's (Gallus gallus domesticus) lung with special reference to its scanning and transmission electron microscopic characteristics. Microscopy Research and Technique, 85(3), 1108-1119.‏
24. El-Naggar, S., Ayyad, E. K., Khandil, R., & Salem, M. (2021). Phoenix dactylifera seed extract ameliorates toxicity induced in mice by silver nanoparticles through antioxidant effects. International Journal of Cancer and Biomedical Research.‏
25. Mahmoud Elghoul, Ramadan Kandyle, Kareem Morsy, Mohamed M. A. Abumandour (2021). Transmission microscopical investigation of the dark and light pancreatic acinar beta-cells of young-domesticated pig (Sus Suidae, Erxleben 1777). Folia Morphologica. DOI: 10.5603/FM.a2021.0104
26. Basma G. Hanafy., Mohamed M. A. Abumandour., Ramadan M. Kandyel., Naglaa F. Bassuoni. (2021). Ultrastructural characterization of the intestine of the Eurasian common moorhen using scanning electron microscopy and light microscopy. Microscopy Research and Technique. DOI:  10.1002/jemt.23888
27. Mohamed Abumandour., Mustafa Shukry ., Samah Lashen ., Mohammed Kassab ., Ramadan Kandyel ., Mahmoud Gewaily ., Ahmed El-Mansi .,Ahmad El Askary ., Hazem Hamoda .,& Foad Farrag. (2021). Post-hatching ultrastructural development of the oropharyngeal cavity roof in five age-stages of Coturnix coturnix (Linnaeus, 1758). Microscopy Research and Technique. DOI:  10.1002/jemt.23885
28. Mohamed M. A. Abumandour., Neveen E. R. El-Bakary., Eman R. Elbealy., Attalla El-Kott., Kareem Morsy., Seham S. Haddad., Naglaa Madkour., & Ramadan M. Kandyel. (2021). Ultrastructural and histological descriptions of the oropharyngeal cavity of the rock pigeon Columba livia dakhlae with special refer to its adaptive dietary adaptations. Microscopy Research and Technique. DOI:  10.1002/jemt.23870
29. Kandyel, R. M., Abumandour, M. M. A., Mahmoud, S. F., Shukry, M., Madkour, N., El-Mansi, A., & Farrag, F. A. (2021). Structural and Functional adaptation of the lingual papillae of the Egyptian fruit bat (Rousettus aegyptiacus): Specific Adaptive feeding Strategies. Folia Morphologica.‏ DOI: 10.5603/FM.a2021.0042
30. Abumandour, M.M., and R.M. Kandyel. 2020. Age?related ultrastructural features of the tongue of the rock pigeon Columba livia dakhlae in different three age stages (young, mature, and adult) captured from Egypt. Microscopy Research and Technique. 83:118-132.
31. Ramadan M. Kandyel, Mona M. Elwan, Mohamed M. A. Abumandour, Eman E. El Nahass. Comparative ultrastructural-functional characterizations of the skin in three reptile species; Chalcides ocellatus, Uromastyx aegyptia aegyptia, and Psammophis schokari aegyptia (FORSKAL, 1775): Adaptive strategies to their habitat"(accepted by journal of Microscopy Research and Technique). DOI:  10.1002/jemt.23766
32. Mohamed M. A. Abumandour ,  Ehab Massoud, Attalla El-Kott, Kareem Morsy,  Neveen E. R. El-Bakary, Ramadan Kandyle. An ultrastructural focus on the buccal cavity of the grey gurnard Eutrigla gurnardus (Linnaeus, 1758): Adaptative dietary implications "(accepted by journal of Microscopy Research and Technique). DOI:  10.1002/jemt.23768
33. Doaa I. Gewily, Fatma A. Mahmoud,  Samy A. Saber, Boshra A. ElSalkh1 , Asmaa A. El-Dahshan, Mohamed M. A. Abumandour, Ramadan M. Kandyel, Ali G. Gadel-Rab (2021). Ultrastructural comparison between the tongue of two reptilian species endemic in Egyptian fauna; Bosc's fringe?toed lizard Acanthodactylus boskianus and Sinai fan?fingered gecko Ptyodactylus guttatus. Microscopy Research and Technique.‏ DOI: 10.1002/jemt.23753
34. Tousson, E., El-Atrash, A., El Sayed, I. E. T., Hafez, E., El Basyouny, H. A., & Kandyel, R. M. (2021). The Protective Effect of 9-Diaminoacridine against Ehrlich Ascites Carcinoma (EAC) in Mice. Asian Oncology Research Journal, 14-27.‏
35. Salem, S.B., D.B. Miles, A.A. Alm-Eldeen, and R.M. Kandyel. 2017. Comparative histological characterization of the tongue in two reptiles, Scincus scincus (Scincidae) and Uromastyx ornata (Agamidae) in relation to diet. Egypt. J. Exp. Biol. (Zool.). 13:319-327.

Salem, S.B., D.B. Miles, A.A.A. Eldeen, and R.M. Kandyel. 2019. Scanning electron microscope studies of the dorsal lingual surface of some reptilian species. THE EGYPTIAN JOURNAL OF EXPERIMENTAL BIOLOGY (Zoology). 15:219-228.

المقررات التدرسية

الوصف
Invertebrate zoology
221BIO-3
General Biology
101BIO-4
Chordate Zoology
323BIO-2
Biodiversity
313BIO-2
Comparative anatomy of vertebrates
421BIO-3
Animal Histology
222BIO-2
Embryology
426BIO-2

Academic Schedule