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Distribution and ultrastructure of neurosecretory cells in the cerebral ganglion of the earthworm

Al-Yousuf, S. ( Wiley Subscription Services, Inc., A Wiley Company , 1988 , Article)

Neurosecretory (Nsy) cells within the cerebral ganglion of Lumbricus terrestris were classified ultrastructurally. The Nsy cells within the subesophageal ganglion, nerve cord ganglion, and the peripheral nervous system ...

Effects of herbicide and timing of removal on interference between barley and weeds

ISMAIL, A. M. A.; HASSAN, A. H. A. ( Blackwell Publishing Ltd , 1988 , Article)

Field experiments were done during the rainy season of 1984�85 and 1985�86 at Harma, Qatar. A weed survey of barley fields was conducted with the primary purpose of identifying the weed vegetation present. The effects of ...