Personal Information

  • Position : Professor Emeritus
  • Department : Zoology
  • Specification :
  • Work Phone : 2403866/057
  • Email : helgammal@du.edu.eg

E-Courses

Researches

  1. The nucleolar-related protein Dyskerin pseudouridine synthase 1 (DKC1) predicts poor prognosis in breast cancer
  2. Structural and ultrastructural evidence of neurotoxic effects of fried potato chips on rat postnatal development
  3. Comparative histological, histochemical and ultrastructural studies on the liver of flathead grey mullet (Mugil cephalus) and sea bream (Sparus aurata).
  4. Biological and histopathological effects of some insecticidal agents against red palm weevil Rhynchophorus ferrugineus.
  5. Chitosan coating does not prevent the effect of the transfer of green silver nanoparticles biosynthesized by Streptomyces malachitus into fetuses via the placenta
  6. Effects of difubenzuron and chlorafluazuron on the histological and histochemical structures of the ovary of albino rats
  7. Impairment of cerebellar cortex and gastrocnemius muscle development of postnatal young of albino rats maternally treated with acrylamide or supplemented food containing fried�…
  8. Gonadal ultrastructure effects of some Insecticidal agents against Red Palm weevil Rhynchophorus ferrugineus
  9. Vision adaptation in the laughing dove (Streptopelia senegalensis, Linnaeus, 1766) inferred from structural, ultrastructural, and genetic characterization
  10. Protective Role of Some Natural Products on Phthalate-Induced Testicular Toxicity in Offspring Mice
  11. Effects of ethylene glycol monomethyl ether on Pernatal development of albino rats
  12. Ferulic acid protects rat offspring from maternal high-fat, high-fructose diet-induced toxicity and developmental retardation through a direct effect on pancreatic islets
  13. Utilization of birds of different mating system behavior and feeding habits as a bioindicator for urbanization lead pollution
  14. Effects of Magnetic-Activated Sperm Cell Sorting Technique in Blastocyst Formation After Intracytoplasmic Sperm Injection
  15. Effect of β-oxidation stimulant against metabolic syndrome of saccharin in rat: A behavioral, biochemical, and histological study
  16. Impairment of cerebellar cortex development of postnatal youngs of albino rats maternally treated with acrylamide or supplemented food containing fried potatoes chips
  17. The protective role of vitamin C against DI-(N-Butyl) phthalate-induced toxicity in the reproductive system of adult rats
  18. Effect of hypoxia on insulin secretion and glucose metabolism in rat pancreatic islets
  19. Dietary curcumin inhibits the toxic effects of trichloroethylene on the liver and reproductive system of male mice
  20. The ultrastructure of spermatozoa and spermiogenesis in Sarotherodon galilaeus and Liza ramada (Teleostei, perciformes, cichlidae and mugilidae)
  21. Modulation of DI-N-Butyl phthalate-induced teratogenicity by dietary curcumin in rats
  22. Response of male reproductive organs to testosterone and vitamin A during exposure of the rat to ethylene glycol monomethyl ether
  23. Experimental galactosemia: III. Postnatal effects on rat Female Genital system
  24. Effects of hyperthermia on genital organs of rat
  25. Epidermal changes of newly born offspring from Arthritic mothers treated with dexamethasone
  26. A simple method for cryopreservation of pancreatic islets
  27. Effect of different collagenase digestion protocols on the yield and function of adult rat islets
  28. Egypt. Acad. J. biolog. Sci., 1 (1): 7-22 (2010) D. Histology & Histochemistry Email: egyptianacademic@ yahoo. com ISSN: 2090–0775 Received: 21/6/2010 www. eajbs. eg. net