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Articles by A. Ahmadi
Total Records ( 4 ) for A. Ahmadi
  G. Najafi , A. Ahmadi and M. Razi
  The aim of this study is to review of carotid body location and nerve and blood supply. In this study Heads of eight cattle of different sexes were collected from Uremia abattoir. By simple dissection method, definite position and nerve supply of the carotid body. Before dissection, colored gelatin was injected into right and left common carotid artery. According to this technique all the branches of common carotid artery and the branch which supplies into carotid body were investigated. This investigation revealed that, the carotid body of cattle is situated around the occipital artery and it is made up of compact portion only. Its blood supply is by glomic artery which is a branch of occipital artery. Its nerve supply is by herring nerve which is a branch of glossopharyngeal nerve. The carotid body in cattle was found close to the origin of occipital artery similar in sheep, buffalo.
  F. Heidari , R. Sadrkhanlo , A. Rastegarnia and A. Ahmadi
  The present study was undertaken to determine whether different protocol of gonadotropin, involved in regulation of ovarian steroidogenesis in female mice. The purpose of the present study was to determine the better time of treatment with gonadotropin. Thirty female mice in age from 4-5 weeks was used. All animal received 10 Iu gonadotropin (IP), then animals divided in 5 groups (n = 6 per group) group 1 = Control (primer injection), group 2 after 2 weeks, group 3 after 4 weeks group 4 after 6 weeks and group 5 after 8 weeks after primer injection super ovulated or stimulated by injection gonadotropin (10 IU, IP). In each group, 46 h after injection, concentration of estrogen and progesterone were measured by Electrochemiluminescenc (ECL). Blood estrogen level decrease in group 2 and blood estrogen and progesterone. Concentration in group 3 was higher than other groups, the results of this study confirmed that the best time for treatment with gonadotrophin according ovarian hormones for IVF is 4 weeks after primer injection (group 1).
  A. Heydari , A. Ahmadi , S. Sarkari , H. Karbalayi Khiavi and M. Delghandi
  This study was carried out to investigate the roles of common weeds in the survival of Verticillium dahliae and the incidence of cotton wilt disease in Moghan and Neishabour area of Iran during 2003-2005 cropping seasons. The design of the experiment was Randomized Complete Blocks (RCB) with ten treatments (No. of weeds) and four replications (No. of cotton fields). Populations of V. dahliae in the roots of weeds and their surrounding soil was determined every year and were compared in different treatments. The cotton wilt disease index was also evaluated in different fields in each experimental site. Results indicated that the fungal population was variable depending on weed species, experimental site and the year of study. In general, Pigweed (Amaranthus retroflexus), Nightshde (Solanum nigrum), Spiny cockleburr (Xanthium spinosum) and common purslane (Portulaca oleraceea) showed the highest fungal populations in their roots and surrounding soil. Disease index in Moghan cotton fields in different years varied and were higher than Neishabour fields.
  A. Rostamzad , N. Sadeghifard and A. Ahmadi
  In this study, laboratory routine tests were compared with adenosine deaminase (ADA) test for diagnosis of tuberculous pericarditis. Sampling was performed among 30 patients admitted to two Iranian teaching hospitals (Imam and Modarres). For each patient two specimens were obtained from the pericardial fluid and biopsy. Pericardial fluid was used for staining, culture and measuring of ADA activity. The biopsy specimens were homogenized and cultured on Lowenstein-jensen media too and examined by H & E stain for presence of caseous granulomas and tubercule bacilli. In this survey, the ADA activity level of less than 45 μL-1 in pericardial fluid were determined as negative, while more than 45 μL-1 were considered as positive reaction indicating of tuberculous pericarditis. In this study, from a total of 30 subjects, tuberculous pericarditis was diagnosed by routine laboratory tests in 13 patients who all had clinical symptoms of the disease. Tuberculous pericarditis was diagnosed by positive results of pericardial fluid cultures in 6 of 13 patients (46.2%), by pericardial biopsy cultures in 6 patients (46.2%), by pericardial fluid staining in 3 patients (23.1%) and by tuberculin skin test in 10 patients (76.9%). Finally we observed that all of 13 patients with tuberculous pericarditis had ADA levels of more than 45 μL-1 in their pericardial fluids. The results of the present study confirmed that high levels of ADA have a prognostic value and due to its high specificity and sensitivity and also being faster and easier than laboratory routine tests, so this test can utilized as effective diagnostic method for diagnosis of tuberculous pericarditis.
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