يشغل حاليا عضو هيئة تدريس بدرجة أستاذ بكلية الطب البشري -جامعة غريان، كما عمل رئيسا لقسم الأنسجة والخلايا بكلية الطب البشري \ جامعة عمر المختار 2014-2018 كما عمل رئيسا لقسم الأنسجة والخلايا بكلية الطب البشري جامعة طنطا-جمهورية مصر2008-2014 وشغل منصب مدير وحدة الميكروسكوب الالكتروني بجامعة طنطا 2008 -20014.

التحق بالعمل بالكلية كمعيد بكلية الطب البشري-جامعة طنطا -مصر 1982-1986، وبعد حصوله على الماجستير تعين محاضرا مساعدا 1986 -1994، ومحاضرا بعد الحصول على الدكتوراه (1993) الفترة من 1994-2000 ثم أستاذا مساعدا من 2000 – 2007 ثم أستاذا 2007-محكم من الخارج للجنة العلمية الدائمة لترقية الأساتذة والأساتذة المساعدين تخصص الأنسجة والخلايا الفترة من 2008-2013 ثم عضوا في اللجنة الدائمة لترقية الأساتذة والأساتذة المساعدين 2013 -2015

كيميائية الأنسجة – كيميائية الخلايا – الكيميائية المناعية للخلايا بالميكروسكوب الضوئي والمجهر الفلورسنت – المجهر الالكتروني – كيميائية الخلايا بالمجهر الالكتروني – الوراثة الخلوية.

• • Histological study of healing of laser and scalpel incision wounds in skin and tongue mucosa
  • Ultrastructural study of the effect of the chronic Cadmium toxicity on the liver of albino rat. 1997
  • Histological changes due to intra-neural and peri-neural injection of the local anaesthetic Ropivacaine in the rat sciatic nerve.1997
  • Postnatal differentiation of the seromucous acini of the rat submandibular salivary gland (ultrastructural study).1997
  • Histological study of bone repair in experimentally bone defects with and without intra-osseus placement of bone.1997
  • Ultrastructural study of myoepithelial cell maturation during postnatal development of rat submandibular salivary gland.1998
  • Ultrastructural study of the effect of Cisplatin on the testis of albino rat.1998
  • Light and electron microscopic study of the effect of low estrogen level on the heart of adult female rat.1999
  • Histological study of the effect of NSAID (Voltarin SR) on the colon of albino rat. 2002
  • Ultrastuctural changes in cornea of diabetic experimental rabbits. 2003
  • In vitro study of the genotoxic effect of Cetrizine dihydrochloride (H1 receptors antagonist).2003
  • The Ultrastructural effect of Subcojunctival Suramin on the rabbit Ciliary epithelium and filtering blebs in comparison to Mitomycin. 2003
  • Overexpression of p53 and p21 in normal oral mucosa adjacent to12 resected squamous cell carcinoma: may be an evidence of field cancerization. 2005

  14-  Alteration of the glomerular podocytes in puromycin aminonucleoside (PAN) experimental nephrosis in adult male albino mice: An ultrastructural and immunoflurocence study.2006

  15-  Immunohistochemical localization of Aquaporins 2,3 and 4in the epithelial cells of different organs of adult male albino rat.2006

  16-  Ultrastructural study on the effect of dexamethasone with and without Clenbuterol on the diaphragmatic muscle of adult male albino rat. 2006

  17- Histological study on the effect of stress on the colonic mucosa of adult male albino rat and the possible role of mast cells. 2006

  18- Immunohistochemical localization of Aquaporin 1 in different organs of normal adult male albino rat. 2005

  19- Immunohistochemical localization of Aquaporins 0,1,4, and 5 in the eye and lacrimal gland of adult male albino rat. 2006

  20- lectin  histochemistry of the glands of Brunner in non-human Primate monkeys.2005

  21– Light and electron microscopic study of the effect of lithium (antimanic drug) with and without Benazerbil on the kidney of adult male albino rat.2006

  22- Light and electron microscopic study on the effect of pleomycin on the lung of adult male albino rat.2008

  23- Histological study of sodium fluoride effect on cardiac muscle of adult male albino rat. 2008

  24- Effect of Irradiation on Secretory Cells of Submandibular Gland of adult male albino rat.Histological and Immunohistochemical Study

  25- Histological study of the effect of Di (2-Ethylhexyl) Phthalate (DEHP) On The Adrenal Cortex Of Adult Male Albino Rat and the possible protective role of Ginseng. 2009

  26- Histological and Immunohistochemical study of macrophage of salivary glands of control and isoproterenol treated adult male albino rat.

  27- Differentiation of mesenchymal stem cell derived from the human umblical cord blood into hepatocyt like cells

  28- Evaluation of the effect of adjuvant therapy in acute methanol toxicity on retina and optic nerve (a pilot study). 2o13

  29- Ultrastructural changes in corneal endothelium after intracameral Bevacizumab injection in rabbits: Electron Microscopic Study.2011

  30-Functional and histological evaluation of rat sciatic nerve anastomosis using  Cyanoacrylate and fibrin glue. 2013

  31- Influence of Insulin and Testosteron on diabetic Rat Ventral Prostate: Histological, Morphometric and Immunohistochemical Study. 2014

  32- Histological study of the effect of bone marrow-derived mesenchymal stem cells on healing of skin defect in adult male albino rats. 2014

  33- Effect of combination therapy between thyme oil and ciprofloxacin on ulcer forming Shigella flexneri. 2015

  34- Histological and Immunohistochemical study of the effect of gold nanoparticles on the brain of adult male albino rat. 2015

  35- Immunoelectron microscope localization of androgen receptors and proliferating cell nuclear antigen in the epithelial cells of albino rat ventral prostate. 2015

  36- Evaluation of the role of autogenous bone-marrow-derived mesenchymal stem cell transplantation for the repair of mandibular bone defects in rabbits. 2015

  37-Effect of Meloxicam on Hematological and Kidney Histopathological Changes in Male Mice: 2017

  38- Histopathological changes in kidney tissue induced by meloxicam in Adult male mice: 2019