Abstract
In Acrotrema arnottianum the zygotic transfer cell stains well for insoluble polysaccharides and feebly for total proteins. The zygotic mantle reveals three zones and the outermost layer of zygotic mantle has PAS positive wall labyrinth. The zygotic mantle acts as a transfer cell with one common goal namely of short distance transport of solutes. During progressive stages of embryo development the basal cell of suspensor has remarkable plate-like labyrinth derived and contributed by the zygote wall.
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