phragmosome

noun

phrag·​mo·​some

ˈfragməˌsōm

plural -s

: a differentiated cytoplasmic diaphragm that develops from the strands of parietal cytoplasm during cell division in plant cells and forms a medium in which the phragmoplast and cell plate develop

Word History

Etymology

phragmo- (from Greek phragmos fence) + -some

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