عودة

 

الأستاذ الدكتور/ أحمد حسن سيد حسن
أستاذ متفرغ بقسم التشريح والانسجه و الاجنه، كلية الطب البيطرى، جامعة اسيوط
تفاصيل السيرة الذاتية

بيانات ال MIS

دخول الإعضاء

تواصل مع العضو نسخة للطباعة
العنوان الحالى مساكن اعضاء هيئة التدريس عمارة (هـ) الدور الرابع شقة رقم ( 17 )
تليفون المكتب 088-2423518
الموبايل 01021101160
تليفون المنزل 0882080754
الفاكس 088-2369001
البريد الالكترونى ahassan@aun.edu.eg
ahassansayed@yahoo.com
google scholar link https://scholar.google.com.eg/citations?user=XkBpAfgAAAAJ&hl=en

  • دكتوراه، University of Veterinary Science، 1975
الدرجات العلمية :
  • أستاذ متفرغ بقسم التشريح والانسجه و الاجنه، كلية الطب البيطرى، جامعة اسيوط، 2005
  • أستاذ بقسم التشريح والانسجه و الاجنه، كلية الطب البيطرى، جامعة اسيوط، 1987
  • أستاذ مساعد بقسم التشريح والانسجه و الاجنه، كلية الطب البيطرى، جامعة اسيوط، 1982
  • مدرس بقسم التشريح والانسجه و الاجنه، كلية الطب البيطرى، جامعة اسيوط، 1978
  • معيد بقسم التشريح والانسجه و الاجنه، كلية الطب البيطرى، جامعة اسيوط، 1968

المجالات البحثية:
BREEDING , OREOCHROMIS NILOTICUS , HISTOMORPHOLOGICAL CHANGES

الابحاث :

1-Doaa M. Mokhtar, Hanan H. Abd-Elhafeez, Ahmed Abou-Elmagd, and Ahmed H. S. Hassan, Melatonin Administration Induced Reactivation in the Seminal Gland of the Soay Rams During non-Breeding Season: An Ultrastructural and Morphometrical Study, journal of morphology , wilely online library, 277, 231–243 , wileyonlinelibrary.com, 2016
البحث كاملا
2-Doaa M.Mokhtar, Hanan H.Abd-Elhafeez, Ahmed Abou-Elmagd,and Ahmed,H.S.Hassan, Melatonin administration induced reactivation in the seminal gland of the soay rams during non-breeding season: An ultrastructural and morphometrical study., Journal of Morphology, ,Vol.277, ,pp.231-243, 2016
3-Hanan H. Abd-Elhafeez Doaa M. Mokhtar Ahmed H.S. Hassan, Effect of Melatonin on Telocytes in the Seminal Vesicle of the Soay Ram: An Immunohistochemical, Ultrastructural and Morphometrical Study, cells tissues organs , karger, Vol. 202, 2016
البحث كاملا
4-Doaa M.Mokhtar, Hanan H.Abdelhafeez , Ahmed Abou Elmagd , and Ahmed H.S.Hassan, Melatonin Administration Induced Reactivation in the Seminal Gland of the Soay Rams During non-Breeding Season: An ultra structural and Morph metical Study ., Journal of Morphology , vol.277, pp231-243, 2016
5-Doaa M Mokhtar*, Enas A Abd-Elhafez and Hassan AHS, A Histological, Histochemical and Ultrastructural Study on the Fundic Region of the Stomach of Nile Catfish (Clarias gariepinus), cytology and histology, omicis, 6 (4), http://dx.doi.org/10.4172/2157-7099.1000341, 2015
6-Doaa M Mokhtar*, Enas A Abd-Elhafez and Hassan AH, Light and Scanning Electron Microscopic Studies on the Intestine of Grass Carp (Ctenopharyngodon idella): I-Anterior Intestine, Aquaculture Research & Development , omicis, 6 (11), http://dx.doi.org/10.4172/2155-9546.1000374 , 2015
البحث كاملا
7-Mokhtar DM*, Abd-Elhafez EA and Hassan AH, Light and Scanning Electron Microscopic Studies on the Intestine of Grass Carp (Ctenopharyngodon idella): II-Posterior Intestine, Aquaculture Research & Development, omicis, 6 (12), http://dx.doi.org/10.4172/2155-9546.1000380, 2015
البحث كاملا
8-Doaa M.Mokhtar, Enas A. Abd-Elhafz and A.H.S.Hassan. , 99- A Histological , Histochemical and Ultrastructural study on the fundic region , Journal of Cytology and Histology, Vol.6.Issue , 4,1-6., 2015
9- Doaa M.Mokhtar, Enas A. Abd-Elhafez and A.H.S.Hassan, Light and scanning electron microscopic studies on the intestine of grass carp (Ctenopharyngodon idella) : II.Posterior Intestine. , Aquaculture Research and Development. , Vol.6, 1-6. (2015)., 2015
10- Doaa M.Mokhtar, Enas A. Abd-Elhafez and A.H.S.Hassan. , Light and scanning electron microscopic studies on the intestine of grass carp (Ctenopharyngodon idella) : I-Anterior intestine , Aquaculture Research and Development. , Vol.8, 1-6, 2015
11-Enas.A.Abdel-Hafez; Doaa,M.mokhtar; Alaa,S.Abou-Elhamd, and A.H.S.Hassan, Comparative histomorphological studies on oesophagus of catfish and grass carp, Journal of histology, 1-10, 2013
12-Doaa, M. Mokhtar*; Enas, A. El-Hafez; Hassan, A.H.S and Fatma, A, Mostafa, Histogenesis of Liver of Dandarawi Chicken, American Journal of Life Science Researches, World of Researches Publication, 1 (2), 47-58, www.worldofresearches.com, 2013
البحث كاملا
13-Enas.A.Abdel-Hafez; Doaa,M.mokhtar; Alaa,S.Abou-Elhamd, and A.H.S.Hassan. , Comparative histomorphological studies on oesophagus of catfish and grass carp. , Journal of histology. , Journal of histology. , Vol.2013,, 1-10.(2013), 2013
14-ENAS A.A. EL HAFEZD; DOAA M.M. MAHMOUD; SH.M. AHMED* and A.H.S. HASSAN, HISTOMORPHOLOGICAL CHANGES IN THE OVARIES OF OREOCHROMIS NILOTICUS DURING BREEDING AND NON BREEDING SEASONS , Assiut Vet. Med. J. , Vol. 55, No. 121, 2009
15-Enas A.A. El Hafez; Doaa M.M. Mahmoud Sh.M. Ahmed* AND A.H.S. Hassan , HISTOMORPHOLOGICAL CHANGES IN THE TESTES OF OREOCHROMIS NILOTICUS DURING BREEDING AND NON BREEDING SEASONS , Assiut Vet. Med. J., Vol. 55, No. 121, 2009
16- Enas A.A El Hafez ; Doaa M. M. Mahmoud ; Sh. M. Ahmed and A. H. S. Hassan. , Histomorphological Changes in the Ovaries of Oreochromis Niloticus During Breeding and Non Breeding Seasons. , Assiut Vet. Med. , J. Vol 55. No 121. , pp 227 – 253 , 2009
17- Enas A.A El Hafez ; Doaa M. M. Mahmoud ; Sh. M. Ahmed and A. H. S. Hassan. , Histomorphological Changes in the Testes of Oreochromis Niloticus During Breeding and Non Breeding Seasons, Assiut Vet. Med , Assiut Vet. Med, Vol 55., No 121. pp 254 – 273 , 2009
18-Enas,A.A. Elhafez, D.M.M.Mahmoud, Sh.M.Ahmed, and A.H.S.Hassan, Histological observations in the female genital system of Oreochromis nilaticus, 31 Scientific Congress of the Egyptian Society of Histology and Cytology.Egypt, Cairo, December , 2007
19- Enas,A.A. Elhafez, D.M.M.Mahmoud, Sh.M.Ahmed, and A.H.S.Hassan, Histological observations in the female genital system of Oreochromis nilaticus. 31 Scientific Congress of the Egyptian Society of Histology and Cytology, Cairo, 2007
20-Abd-Elnaeim M. M. Mahmoud., A. Saber, A. Hassan, A. Abou-Elmagd, K. Klisch, C. J. P. Jones, and R. Leiser, Development of the areola in the early placenta of the one-humped camel (Camelus dromedarius): A light, scanning and transmission electron microscopical study., Anat. Histol. Embryol, Vol. 32, PP. 326-334, 2003
21-M.M.M.Abd-Elnaeim,A.Saber,A.H.S.Hassan,A.Abou-Elmagd, K.Klisch,C.J.P.Jones and R.Leiser, Development of the Areola in the early Placenta of the One-humped Camel(Camelus dromedarius):A Light, Scanning and Transmission Electron Microscopical Study, Anat. Histol. Embryol, 32, 326-334 , 2003
22- M.M.M.Abd-Elnaeim,A.Saber,A.H.S.Hassan,A.Abou-Elmagd, , 92- Development of the Areola in the early Placenta of the One-humped Camel (Camelus dromedarius):A Light, Scanning, Anat. Histol. Embryol. 32, 326-334 (2003) , 2003
23-Abu-Elmagd, A.M.Kelany, A.O.Salem and A.H.S. Hassan , Morphological studies on the testis of sheep in non-breading season after melatonin administration, 24th Congress of the European Association of Veterinary Anatomists. Brno, Czech Republic, July 21-25 , 2002
24-Abou-Elmagd, A.M.Kelany, A.O.Salem and A.H.S. Hassan , Morphological studies on the testis of sheep in non-breading season after melatonin administration. , 24th Congress of the European Association of Veterinary Anatomists. Brno, Czech Republic, July 21-25 (2002). , 2002
25-A.Abou-Elmagd,A.M.Kelany, A.H.S.Hassan. and G.Lincoln, Morphology of Leydig-Cells of ram after melatonin administration in non-breeding season, Anatomische Gesellschaft,Wurzburg,Germany, 2001
26-A.E.Zayed, Effect of melatonin on the seminiferous epithelium of rams in the non breading season, a morphometric and A morphological study., Anatomische Gesellschaft Congress,Wurzburg,Germany, 2001
27- A.Abou-Elmagd,A.M.Kelany, A.H.S.Hassan. and G.Lincoln. , Morphology of Leydig-Cells of ram after melatonin administration in non- breeding season, Anatomische Gesellschaft,Wurzburg,Germany.(Sept.2001), 2001
28-O.F.X. Almeida, G.L. Conde, C. Crochemore, B.A. Demeneix, D. Fisher, A.H.S. Hassan, M. Mayer, F. Holsber and M.T. Michaelidis , Subtle shifts in the ratio between pro-and anti-apoptotic molecules after activation of corticosteroid receptors decide neuronal fate, FASEB J., 14, 779-790 , 2000
29-A.H.S. Hassan , P. Von Rosenstiel, V.K. Patchev, F. Holsboer and O.F.X. Almeida , Plasticity of hippocampal corticosteroid receptors during aging in the rat, FASEB J, 13, 115-122 , 1999
30-S. Hellbach, P. Gartner, J. Deicke, D. Fischer and A.H.S. Hassan, Inherent glucocorticoid response potential of isolated hypothalamic neuroendocrine neurons, FASEB J, 12, 199-207 , 1998
31-A.H.S. Hassan, D. Fischer, A. Michaclidis and B. Abdullah, B.A, Dichotmous Control of Apoptosis and Neurogenesis in the Rat Dentate Gyrus by Mineralocorticoid and Glucocrticoid Receptor Ligands , 17th Annu. Meet. Soc. Neurosci., New Orleans, No. 459. 1 , 1997
32-M. Ghorbel, I. Seugnet, A.M. Ableitner, A.H.S. Hassan, B.A. Demeneix, T3 treatment increases mitosis, then bax expression and apoptosis in the optic lobe of the chick embryo, Neuroscience Letters , 231, 127-130 , 1997
33-Laurent, M. Saghs, Bassima, Abdallah, A.H.S. Hassan, Giovanni, Levi, Amaury, de luze, John, G, Reed, and Barbara, A. Deneix, Apoptosis in Xenopus tadpole taiol muscles involves Bax-dependent pathways, FASEB,J, 801-808 , 1997
34-A. Abou-Elmagd, M. Moustafa, G.A. Lincoln and A.H.S. Hassan , Light and electron microscopical studies on the thyroid gland of sheep after melatonin administration., Anatomy and Embryology , 1996
35-S. Hellbach, P. Gartner, J. Deiche, D. Fischer, A.H.S. Hassan and O.F.X. Almeida, Functional studies on juvenile rat-derived hypothalamic corticotrophin releasing hormone (CRH), Arginine vasopressin (AVP) and ß-endorphin (ß-end) neurons grown in a novel primary culture system, J. Neuroscience , 1996
36-V.K. Patchev, M.d., Ph.D., A.H.S. Hassan, B. V. Sc., Ph.D., F. Holsboer, M.D., Ph. D., and O.F.X. Almeda, Ph. D, The neurosteroid tetrahydroprogesterone attenuates the endocrine response to stress and exerts glucocorticoid-like effects on vasopressin gene transcription in the rat hypothalamus, Neuropsychopharmacology, Vol. 15, No. 6, 1996
37-Bassima Abdallah, A.H.S. Hassan, Corinne Benoist, Daniel Goula, Jean Paul Behr and Barbara A. Demeneix , A Powerful non-viral vector for in vivo gene transfer into the adult mammalian brain: Polyethylenimine, J. Gene Therapy, 1947-1954 , 1996
38-Mousa, S.A., Schater, M., Mitchell, W.M., A.H.S. Hassan, Stein, C, Local upregualation of corticotrophin - releasing hormone and interleukin-1 receptors in rats with painful hindlmb inflammation, J. Pharmacol, 311, 221-231 , 1996
39-B. Schwartz, C. Benoist, B. Abdallah, K. Kangara, A.H.S. Hassan, D. Scherman and B.A. Demeneix, Gene transfer by naked DNA into adult mouse brain, Gene Therapy, 3, 405 – 411 , 1996
40-C. Stein, M. Pfluger, A. Yassouridis, J. Hoeizl, K. Lehrberger, C. Welte and A.H.S. Hassan , No tolerance to peripheral morphine analgesia in presence of opioid expression in inflamed synovia, J. Clin. Investigation , Vol. 98, No. 3, 793-799 , 1996
41-A.H.S. Hassan, P. Von Rosenstiel, V.K. Patchev, F. Holsboer and O.F.X. Almeida, Exacerbation of apoptosis in the dentate gyrus of the aged rat by dexamethasone and the protective role of corticosterone, Exper. Neurology, Vol. 140, 43-52, 1996
42-Abu-Elmaagd A., M.N, K. Moustafa, G. Lincoln and A.H.S. Hassan , Light and lectron microscopical studies on the thyroid gland of sheep after melation administration, In:First international conference on electron microscope, adrances in research in different fields of science Ismaillia, Egypt, Sept. 13-15 , 1995
43-A.H.S. Hassan, V.K. Patchev, F. Holsboer and O.F.X. Almeida , Apoptosis in the rat dentate gyrus: The effect of aging, stmulation by dexamethasone, and the apparent protective role of corticosterone, Society for Neurosciennce, Washington, USA, 1995
44-D. Fischer, V.K. Patchev, S. Helbach, A.H.S. Hassan and O.F.X.Almeida , Lactation as a model of naturally-reversible hypercorticalism: Plasticity in the mechanisms governing hypothalamo-adrenocortical activity, J. Clin. Investigation, Vol. 96, 1208-1215 , 1995
45-C. Stein, M. Schafer and A.H.S. Hassan , Perheral opioid receptors: Modern trends in postoperative pain control, Ann. Med, 119-221 , 1995
46-F. Lezoualc’h, A.H.S. Hassan, H. Abdel-Tawab, J. Puymirat, B.A. Demeneix, Precocious auto-induction of thyroid hormone receptors in embryonic chick hypothalamic neurons, Neuroscience Lett, 180, 197-202 , 1994
47-S.A. Mousa, W.M. Mitchell, A.H.S. Hassan, L. Carter and C. Stein., Corticotropin releasing factor receptors in inflamed tissue: Autoradiographic identification, 23rd Annual Meeting of the Society for Neuroscience, Washington D.C, 1993
48-S. Hellbach, A.H.S. Hassan and O.F.X. Almeida , Primary cultures of postnatal rat hypothalamic neurons: Characterization and functional studies on corticotrophin releasing hormone, arginine vasopressin and ß-endorphin neurons, 23rd Annual Meeting of the Society for Neuroscience, Washington D.C, 1993
49-A.H.S. Hassan, A. Ableitner, C. Stein and A. Herz , Local inflammation of the rat paw enhances opioid receptor density in the paw tissue and their axonal transport in sciatic nerve, INCR, Suppl, 163-164 , 1993
50-F. Lezoualc’h, A.H.S. Hassan, H. Abdel-Tawab and B.A. Demeneix, Precocius auto-regulation of thyroid hormone receptors in embryonic chick hypothalamic neurons, Developmental Brain Research , 1993
51-O.F.X. Almeida, A.H.S. Hassan and F. Holsboer , Intrahypothalamic Neuroendocrine actions of CRF-41. Ciba foundation Sympsium , Ciba foundation Sympsium, Vol. 172, 151-172 , 1993
52-C. Stein, A.H.S. Hassan, K. Lehrberger, J. Giefing and A. Yassouridis , Opioid peptides from immune cells interact with peripheral opioid receptors to inhibit pain in inflamed tissue, Lancet, Vol. 342, 321-324 , 1993
53-V.K. Patchev, S.F. Schlosser, A.H.S. Hassan and O.F.X. Almeida, Oxytocin binding sites in rat limbic and hypothalamic structures: Site specific modulation by adrenal and gonadal steroids, Neuroscience, Vol. 57, No. 3, 537-543 , 1993
54-A.H.S. Hassan, A. Ableitner and O.F.X. Almmeida, Demonstration of opioid receptors on rat gonadotrophs, Endocrinology, 1993
55-R. Przewlocki, A.H.S. Hassan, W. Lason, C. Epplen, A. Herz and C. Stein , Gene expression and localization of opioid peptides in immune cells of inflamed tissue: Functional role in antinociception, Neuroscience, Vol. 48, No. 2, 49-500 , 1992
56-A.H.S. Hassan, R. Przewlocki, A. Herz and C. Stein , Dynorphin, a preferential ligand for K-opioid receptors, is present in nerve fibers and immune cells within inflamed tissue of the rat, Neuroscience lett, 140, 85-88 , 1992
57-O.F.X. Almeida, A.H.S. Hassan, M.S. Harbuz, E.A. Linton and S.L. Lightman, Hypothalamic corticotrophin – releasing hormone and opioid peptide neurons; Functional changes after adrenalectomy and/or castration, Brain Res, 571, 189-198 , 1992
58-F. Lezoualc’h, A.H.S. Hassan, P, Giraud, J.P. Loeffler, S.L. Lee, and B. Demneix, Assignment of the ß-thyroid hormone receptor to 3,5,3- triiodothyronine – dependent inhibition of transcription from the thyrotropin-releasing hormone promoter in chick neurons, Mol. Endocrin, Vol. 6, No. 11, 1797-1804 , 1992
59-Lezoulc’h, F., A.H.S. Hassan, Loeffler, J.P., Lee, S.L., Giraud, P. Demeneix, B.A, Assignment of the ß thyroid hormone receptor to T3-dependent inhibition of TRH transcription in hypothalamic neuons, Molecular Endocrinology , 1791-1804 , 1992
60-Boutillier, A.L., Barthel, F., A.H.S. Hassan, Loeffler, J.P., Demeneix, B.A. , Gene transfer into neurons and chromaffin cells, Prog. Psycho. Pharm. Biol. Psych, 929-968 , 1992
61-Demeneix, B.A., Lezoualc’h, F., A.H.S. Hassan, Loeffler, J.P. and Giraud, P, Role du recepteur ß des hormones thyroidiennes dans la regulation de la transcription de la TRH. C.R, Soc. Biol, 491-499 , 1991
62-B. Demeneix, F. Lezoualc’h, A.H.S. Hassan, J.P. Loeffler, S.L. Lee, and P. Giraud , T3-dependant inhibition of TRH transcription in hypothalamic neurons is mediated by the beta thyroid hormone receptor, C.R. Soc. Biol, 491-499 , 1991
63-C. Stein, A.H.S. Hassan, Ch. Gramsch and A. Herz, Local apioid receptors mediating antinociception in inflammation: endogenous ligands, Proceeding of the VIthWorld Congress on Pain, 88-87 , 1991
64-Stein, C., Hassan, A.H.S. Hassan, Przewlocki, R., Gramsch, C., Peter, K., Herz, A, Opioids from immune cells interact with receptors on sensory nerves to inhibit nociception in inflammation, Proc. 2ndInt. Congress on the Immune Consequences of Trauma, Shock and Sepsis. Springer, Berlin, Heidelberg, New York, 1991
65-Stein, C., A.H.S. Hassan, Grasch, C., Peter, K., Herz, A, Peripheral opioid receptors mediating antinoception in inflamed tissue of the rat, Exogenous and endogenous ligands. Anesth. Analg, 72-76 , 1991
66-A.H.S. Hassan, M.N.Moustafa, A. Abou-Elmagd, Aziza A. Selim and G.A. Lincoln, Induction of seasonal testicular reactivation in Soay rams by melatonin. 1- Histological and morphometrical changes in the seminal gland , Assiut Vet. Med. J, Vol. 24, No. 47, 40-50 , 1990
67-C. Stein, A.H.S. Hassan, R. Przewlocki, Ch. Gramsch, K. Peter and A. Herz, Opioids from immunocytes interact with receptors on sensory nerves to inhibit nociception in inflammation., Proceeding of the National Acadmy of Sciences, U.S.A, Vol. 87, 5935-5939, 1990
68-Stein, C., A.H.S. Hassan, Comisel, K., Herz, A, Endogene Schmerzinhibition bei Entzundung. Opioide aus Immunzellen aktivieren neurale Opioidrezeptoren , Zeitschr Rheumatol, 1–72 , 1990
69-Ch. Gramsch, R. Schulz, S. Kosin, A.H.S. Hassan, and A. Herz, Production and characterization of anti-idiotypic anti-opioid receptor antibody, Methods in Enzymology, Vol. 178, 244-265 , 1989
70-A.H.S. Hassan, O.F.X. Almeida, Ch. Gramsh and A. Herz, Immunocytochemical demonstration of opioid receptors in selected rat brain areas and neuroblastoma X glioma hybrid (NG 108-15) cells using a monoclonal anti-idiotypic antibody, Neuroscience, Vol. 32, No. 1, 269-278 , 1989
71-Stein, C. Gramsch, G. A.H.S. Hassan, Parsons, C.S. Przewlocki, R. , Peripheral mechanisms of opioid analgesia, Symposium Advances in opioid research, Ringberg FRG, 1989
72-A.H.S. Hassan, O.F.X. Almeida, I. Forgas-Moya, Ch. Gramsch and A. Harz., Immunocytochemical detection of opioid receptors, opioid peptides and corticotrophin – releasing hormone in rat brain and NG 108-15 cells, Advances in the Biosciences , 1989
73-M.A. Moustafa and A.H.S. Hassan, Effect of hydrocortisone on the healing per primam of experimental wounds in the skin and intestinal resection anastomses in dog, Assiut Medical Journal, 12-23 , 1988
74-G. Kamel, A.H.S. Hassan , A.S. Saber and A. Ahmed , Morphological changes in oviductal mucosal epithelium in relation to ovarian activity in buffaloes, 10th Congress of Anatomy, Cairo , 1987
75-M. Abdel-Raouf, A.H.S. Hassan , G. Kamel and M.R. Fath El-Bab, Quantitative and qualitative histological changes in the testes of rabbits after 1ong-erm hCG and TP administration, 10th Congress of Anatomy, Cairo , 1987
76-G. Kamel, A.H.S. Hassan, A.M.A. Ali and M.N.K. Moustafa, Histological studies on the prenatal development of goat stomach, Assiut Vet. Med. J, Vol. 18, No, 36, 25-30 , 1987
77-M. Abdel-Raouf, A.H.S. Hassan, G. Kamel and M. R. Fath El-Bab, Morphological and stereological changes in the thyroid gland of rabbits after long-term hCG and TP administration, Assiut Vet. Med. J., Vol. 18, No. 36, 177-182 , 1987
78-G. Kamel, A.H.S. Hassan, F.F. El-Hommosi and M.N.K. Moustafa, Quantitative morphological study on the seminal gland of lambs after zeranol implantation, AssiutVet. Med. J, Vol. 18, No. 36, 52-57 , 1987
79-H.Badawi, M.R. Fath El-Bab, A.H.S. Hassan and M.N.K.Moustafa, The histogenesis of the pilosebaceous apparatus in dogs, Assiut Vet. Med. J, 31-38 , 1987
80-H.Badawi, M. R. Fath El-Bad, A.H.S. Hassan and M.N.K. Moustafa , Morphogenesis of the cutaneous vasculature in dogs, Assiut Vet. Med. J, Vol. 18, No. 36, 39-44 , 1987
81-G. Kamel, A.H.S. Hassan, A.M.A. Ali and A. Nafady , Light and scanning electron microscopical observations on the shell gland of Fayoumi fowl, Assiut Vet. Med. J, Vol. 18, No. 35, 58-62 , 1987
82-G. Kamel; A . H . S . Hassan; A . M . A . Ali and A . Nafady , Light And scanning electron microscopical observations on the shell gland of fayoumi fowl , Assiut Vet. Med. Journal , Vol. 18 No. 35 , 58 - 62 , 1987
83-A.H.S. Hassan, C. Tsonis and A. McNeily , Histochemical and immunocytochemical changes in ovine pituitary gonadotropic cells in culture after treatment with LHRH-A., inhibin and oestradiol., XVI Congress of Europian Association of Vet. Anatomists, Budapest Hungary , 1986
84-A.H.S. Hassan, C. Tsonis and A. McNeilly, Improved histochemical and immunoytochemical methods of light microscopy of ovine pituitary cells in monolayer culture, XVI Congress of Europian Association of Vet. Anatomists. Budapest Hungary , 1986
85-M.R. Fath El-Bab, A.H.S. Hassan , Aziza A. Selim and M. Abdel-Raouf , Postnatal growth and histological development of the gonadotropic cells in relation to puberty in bulls, 9th Congress of Anatomy Cairo , 1986
86-Salem,G. Kamel, A.M.A. Ali, A.H.S. Hassan and Aziza A.Selim, Quantitative histological studies on the thyroid gland of ewe during estrus cycle and pregnancy, Assiut Vet. Med,J, vol 17, No. 34, 45-51 , 1986
87-A.H.S. Hassan, G. Kamel, M.R. Fath El-Bab and Aziza A. Selim , The effect of long-term TP or hCG administration on reproductive functions in adult rabbit. II- Histomorphological changes in the prepuce and preputial glands. , Assiut Vet. Med. J, Vol. 17, No. 33, 23-28 , 1986
88-A.H.S. Hassan, A. Aboul-Ela, M.R. Fath El-Bab and A. Selim , Cyclical changes in gonadotropic cells in relation to the ovarian activity in buffaloes, Assiut Vet. Med. J, Vol. 17, No. 33, 15-20 , 1986
89-M. Abdel-Raouf, M.R. Fath El-Bab, G. Kamel, A.H.S. Hassan and A.M.A. Ali , The effect of long-term TP or hCG administration on some hypothalamic neurosecretory centers, 9th Congress of Histology, Cairo, 1985
90-A.H.S. Hassan , G. Kamel, A.M.A. Ali and Aziza A. Selim, Cytomorphological changes of the adenohyphysis in castrated male goats, Assiut Med. J. , Vol., 9, No. 2 , 84-91 , 1985
91-A.H.S. Hassan, G. Kamel, Aziza A. Selmi and A.M.A. Ali , Quantitative and qualitative analysis of the testes in goat in relation to fertility, First Int. Conf. Appl. Sci. Zagazig Univ, 1-9 , 1985
92-G. Kamel, A.M.A. Ali, A.S. Saber and A.H.S. Hassan, Scanning electron microscopy and histomorphological studies on the ruminal papillae in the goat, First Scientific Congress, Fac. Vet. Med., Assiut University, 289-303 , 1984
93-I. Salem, G. Kamel and A.H.S. Hassan, Histochemical studies on the skin of friezian, native cattle and buffaloes after exposure to solar radiation, 5th Congress of Histology, Cairo , 1984
94-G. Kamel, A.H.S. Hassan and F.F. El-Hommosi, The effect of zeranol implantion on some endocrine glands and gonads in fat-tailed lambs II- The testes, Assiut Vet. Med. J, Vol. 11, 35-40 , 1983
95-A.H.S. Hassan and G. Kamal, The effect of zeranol implantation on some endocrine glands and gonads in fat-tailed lambs. III- Adrenal cortex and thyroid gland , Egypt J. Histology , 1983
96-I. Salem, A.H.S. Hassan G. Kamel and A.A. Abdel-Raheim , Histological changes in the mammary gland of ewe in relation to estrogen and progesterone levels during pregnancy, Assiut Vet. Med. J, vol 11 No. 21, 45-49 , 1983
97-A.Hifny, A.H.S. Hassan , G. Kamel and El-Kerdawy , Qualitative and quantitative cell type population in the pars distalis of the pituitary gland in the male goat around the year, Assiut Vet. Med. J, Vol. 11, No. 21, 27-33 , 1983
98-M.M. El-Zawahri and A.H.S. Hassan , Chromosomal analysis of the Egyptian water buffalo (Bubalus bubalis L.), 2nd world Congress on Genetic. Madrid, Spain , 1982
99-Z. Mikrosk. Anat. Forsch., Leipzig ,A.H.S. Hassan , G. Kamel and F.F.El-Hommosi, The effect of zeranol implantion on some endocrine glands and gonads in fat-tailed lamb, The pituitary gland (pars distalis), 95, 4, 634-644 , 1981
100-A.H.S. Hassan and A. K. Ahmed and G. Kamel, The structure of the Ultimobranchial body of the duck, 15th. Vet. Congress, Cairo, 1981
101-Guzsal, E. and A.H.S. Hassan , Ultrastructure of adrenal medullary cells in the geese and duck, Acta. Vet. Acad. Sci. Hung, 25 (4), 321-333 , 1976
102-A.H.S. Hassan , Histological and histochemical studies on the adrenal glands of geese and ducks, Act. Vet. Acad. Sci. Hung, 25 (1), 19-34 , 1975
الاشراف على رسائل الماجستير و الدكتوراه :
1- فاطمة الزهراء أحمد مصطفى, تطور الكبد فى الدجاج, ماجستير, 30-06-2012
المشرفون : أحمد حسن سيد حسن، إيناس أحمد عبدالحافظ، دعاء محمد مختار
2- دعاء محمد مختار محمود, دراسات مقارنة بالميكرسكوب الضوئى والالكترونى على القناة المعدية المعوية للاسماك اكلات اللحوم والعشب, دكتوراة, 28-03-2011
المشرفون : أحمد حسن سيد حسن, شعبان أحمد, إناس أحمد عبدالحافظ محمود
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