Browsing QU Ceased Journals by Author "El Alfy, Nagla Z. [نجلاء زكي الالفي]"

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    • Karyotype, Meiosis And Sperm Formation In The Land Snail Macrochlamys Indica 

      El Alfy, Nagla Z. [نجلاء زكي الالفي]; Abdel-Rehim, A. H.; Al-Ali, K. A. ( Qatar University , 1994 , Article)
      Karyotype analysis, meiosis and sperm formation of the land snail Macrochlamys indica collected from different farms of ornamental plants in Doha city of the State of Qatar were investigated. The chromosome number is n=24 ...

    • Scanning electron microscopy of the egg-shell of the fly synthesiomyia Nudiseta (wulp) 

      El Alfy, Nagla Z. [نجلاء زكي الالفي] ( Qatar University , 1994 , Article)
      The ultrastructure of the egg-shell of the fly Synthesiomyia nudiseta has been studied by scanning electron microscopy. The surface of the outer chorion is highly ridged, grooved and has a reticulate appearance except at ...