On the expulsion of the erythroid nucleus and its phagocytosis

Ehud Skutelsky*, David Danon

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Electron microscopical examination of thin sections of guinea pig and rabbit bone marrow indicates that nuclei of their normoblasts undergo constriction during their expulsion. Late erythroblasts in bone marrow of adult rabbits and guinea pigs were often seen surrounded by cytoplasmic protrusions of macrophages. No such contact was observed between macrophages and erythroblasts that were expelling their nuclei in the lumen of blood sinuses of rabbit bone marrow. It is concluded that macrophages are not necessary for nuclear expulsion.

Original languageEnglish
Pages (from-to)123-126
Number of pages4
JournalAnatomical Record
Issue number1
StatePublished - May 1972
Externally publishedYes


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