Document Type : Original Article
Authors
1 human anatomy and embryology department, faculty of medicine, Alexandria university, Alexandria, Egypt
2 Professor of Human Anatomy and Embryology, Faculty of Medicine, University of Alexandria.
3 Assistant Professor of Human Anatomy and Embryology, Faculty of Medicine, University of Alexandria.
4 Lecturer of Human Anatomy and Embryology, Faculty of Medicine, University of Alexandria
5 Alexandria faculty of medicine, histology and cell biology departement
6 Assistant professor of Medical Biochemistry, Faculty of Medicine, University of Alexandria
7 Professor of Medical Physiology, Faculty of Medicine, University of Alexandria.
Abstract
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