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Journal of Cell Science, Vol 22, Issue 1 67-74, Copyright © 1976 by Company of Biologists
JOURNAL ARTICLES |
J McDougall
In rapidly dividing human foetal lung cells there is evidence of synthesis of extra membrane prior to mitosis. During prophase the nuclear envelope breaks down and is conserved as long double or complex stacks during the following stages of mitosis. It is suggested that the membrane is retained partly for incorporation into the daughter cell nuclear envelopes and partly for the formation of RER. The relevance of the observations to the biochemical data in the literature concerning the formation of intracellular membranes is discussed briefly.