the GNU version of the Collaborative International Dictionary of English
n. Cell production or development; cytogenesis.
The Century Dictionary and Cyclopedia
n. Same as cytogenesis.
n. Cell-lineage; the series of cells which intervenes between an embryonic cell and the tissues or organs or parts of the body which ultimately arise from it.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the origin and development and variation of cells