Dr. Eman El-Sayed Mohammed El-Nahass is an accomplished Egyptian academic and researcher specializing in comparative anatomy, histology, and embryology. Currently serving as an Assistant Professor at the Zoology Department, Faculty of Science, Tanta University, Egypt, Dr. El-Nahass has built a distinguished career in anatomical studies, focusing on various mammalian species, birds, reptiles, and aquatic animals. Her work extensively explores the structural and functional adaptations of organs and tissues across developmental stages and species. With a strong background in comparative anatomy and a passion for histological and ultrastructural research, she has contributed valuable insights into organ morphology and disease-related anatomical changes. Dr. El-Nahass has published numerous peer-reviewed articles in well-regarded scientific journals, addressing topics such as hepatorenal toxicity, cancer treatment, and vertebrate embryological development. In addition to her research, she actively teaches undergraduate and postgraduate courses and supervises theses in related fields. She has participated in national and international conferences, workshops, and institutional committees focused on quality assurance and academic improvement. Her laboratory expertise includes histological slide preparation, immunohistochemistry, electron microscopy, plant extract preparation, and animal handling. Dr. El-Nahass continues to advance research in comparative anatomy while also contributing to educational development at Tanta University.

Professional Profile

• Scopus Profile

Education

Dr. Eman El-Sayed Mohammed El-Nahass has a strong academic background rooted in the field of comparative anatomy and zoology. She earned her Bachelor of Science degree in Zoology from the Faculty of Science, Tanta University, Egypt, in 2009. Building on her undergraduate studies, she pursued a Master of Science (M.Sc.) degree, which she completed in 2013 at Tanta University. Her master’s thesis focused on the comparative anatomical study of endocrine glands and digestive systems in prenatal, postnatal, and adult stages of insectivorous and frugivorous bats in Egypt. This work provided her with a foundation in detailed anatomical analysis and vertebrate comparative studies. Dr. El-Nahass further advanced her academic career by earning a Doctor of Philosophy (Ph.D.) in 2017 from Tanta University, where her doctoral research examined the comparative anatomical differences of the pituitary gland among various mammalian species. Her educational journey showcases a focused commitment to the comparative anatomical field, particularly concerning vertebrates. These academic milestones have equipped her with the expertise to lead specialized research and develop advanced teaching methodologies, making her a key contributor to her department and the broader scientific community.

Professional Experience

Dr. Eman El-Sayed Mohammed El-Nahass has accumulated over a decade of professional experience at Tanta University’s Faculty of Science, where she has progressively advanced through various academic ranks. She began her academic journey as a Demonstrator in the Zoology Department from 2010 to 2013, focusing on laboratory instruction and supporting student learning. From 2013 to 2016, she served as an Assistant Lecturer, deepening her engagement in both teaching and research. In 2017, she was appointed as a Lecturer, where she expanded her academic influence by leading undergraduate and postgraduate courses and supervising research projects. Since August 2022, Dr. El-Nahass has held the position of Assistant Professor in the Comparative Anatomy of Vertebrates, where she actively contributes to curriculum development, thesis supervision, and departmental leadership. Beyond her teaching roles, she has been an integral part of quality assurance, accreditation, and examination committees, ensuring academic excellence within her faculty. She has also contributed to the implementation of distance learning strategies and has served on scheduling and control committees. Dr. El-Nahass’s professional career reflects a balanced integration of research, teaching, and academic service, establishing her as a key figure in her department.

Research Interests

Dr. Eman El-Sayed Mohammed El-Nahass’s research interests are deeply rooted in comparative anatomy, histology, and embryology, with a focus on vertebrate species. Her studies primarily examine the morphological and histological differences across developmental stages and species, including mammals, reptiles, birds, and aquatic animals. She has conducted extensive research on the anatomical adaptations and ultrastructural features of the digestive systems, endocrine glands, and various organs in bats, fish, and amphibians. Additionally, she has explored the effects of different biological extracts and chemical agents on organ structure and function, particularly focusing on hepatorenal toxicity, cancer therapy impacts, and diabetes-related anatomical changes. Dr. El-Nahass is also actively involved in research addressing the toxicological effects of nanoparticles and plant-based treatments for organ damage in experimental models. Her interests extend to embryological studies that investigate organ development in various animal species. Her ongoing projects include the histological and immunohistochemical analysis of the digestive tracts of birds and the evaluation of metal oxide nanoparticle toxicity. Dr. El-Nahass’s research contributes significantly to understanding anatomical structures, comparative physiology, environmental toxicology, and the potential therapeutic uses of plant extracts in medical applications.

Research Skills

Dr. Eman El-Sayed Mohammed El-Nahass possesses a comprehensive skill set that supports her advanced research in comparative anatomy and histology. She is highly proficient in preparing histological slides, utilizing histochemical and immunohistochemical staining techniques to examine the microanatomy of various tissues. Her technical expertise extends to electron microscopy, where she effectively employs both scanning and transmission electron microscopy to capture detailed ultrastructural images essential for comparative studies. Dr. El-Nahass is skilled in the preparation and application of plant extracts for experimental research, particularly in toxicology and pharmacological studies. Additionally, she is experienced in handling laboratory animals, particularly mice, and performing precise injections and experimental procedures with them. Her research skills also encompass the design and supervision of comparative studies that involve complex anatomical and histological evaluations. Beyond laboratory techniques, Dr. El-Nahass demonstrates strong organizational abilities through her participation in academic scheduling, quality assurance, and examination control committees. Her ability to integrate teaching, research, and laboratory management positions her as a versatile researcher capable of conducting high-quality, multidisciplinary investigations that contribute meaningfully to her field.

Awards and Honors

Although no specific awards or individual honors have been explicitly mentioned in the provided curriculum vitae, Dr. Eman El-Sayed Mohammed El-Nahass has demonstrated consistent academic achievement and recognition through her progression within Tanta University. Her appointment as Assistant Professor and her active roles in various institutional committees such as quality assurance, program accreditation, and examination supervision highlight the recognition and trust placed in her by the academic leadership. Her participation in numerous prestigious conferences, including those organized by the Egyptian Society of Experimental Biology and the Middle Eastern Association for Cancer Research, further reflects her engagement and respect within the scientific community. Additionally, her role in leading critical teaching and distance learning initiatives during recent educational shifts indicates her reliability and adaptability. Dr. El-Nahass’s body of peer-reviewed publications, some in high-visibility journals, along with her supervision of multiple theses, demonstrates her academic impact. As she continues to produce valuable research and contribute to institutional excellence, she is well-positioned to be considered for future awards and international recognition.

Conclusion

Dr. Eman El-Sayed Mohammed El-Nahass stands out as a promising and impactful researcher whose work significantly advances the field of comparative anatomy and vertebrate histology. Her dedication to anatomical and embryological research, particularly in mammals, birds, and aquatic species, has provided valuable scientific insights with both academic and potential biomedical applications. She has skillfully balanced teaching responsibilities, student mentorship, and research supervision, reflecting her commitment to shaping the next generation of scientists. Her active participation in institutional committees demonstrates her leadership, integrity, and focus on quality education. Dr. El-Nahass’s diversified research portfolio, which includes anatomical studies, toxicological evaluations, and the exploration of plant-based therapeutic agents, positions her as a researcher with both depth and versatility. While she could benefit from expanding her international collaborations and increasing her visibility in higher-impact journals, her current trajectory indicates a strong potential for broader scientific influence. Dr. El-Nahass is a deserving candidate for recognition through the Best Researcher Award, and with further growth, she can continue to make substantial contributions to both local and international scientific communities.

Publications Top Notes

• Title: Evaluation of the toxic effects of Cobalt-Zinc Ferrite nanoparticles in experimental mice

• Authors: [Authors not provided in your input]

• Year: 2025

• Journal: Scientific Reports