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Contact inhibition of overlapping: one of the factors involved in deep cell epiboly of Nothobranchius korthausae.
Abstract Living eggs of the annual fish Nothobranchius korthausae were studied during epiboly either by direct observation or with time-lapse cinematography. Before epiboly the deep cells are tightlyExpand
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A simple device for recording serial optical sections
A stepper motor was attached by way of a speed reducer to the coarse focusing spindle of a light microscope. After exposure of a film frame the stepper motor displaces the microscope stage accordingExpand
  • 1
COMPUTER-BASED LEARNING IN A UNIVERSITY ZOOLOGY COURSE
Abstract The Biology Department of the University of Nijmegen (Netherlands) has been facing many of the problems encountered by other university faculties in these economically depressed times:Expand