merogenesisn.
/ˌmɛrə(ʊ)ˈdʒɛnᵻsɪs/, U.S. /ˌmɛrəˈdʒɛnəsəs/ Biology.
1. The formation of parts; segmentation. rare. Perhaps Obsolete.
ΚΠ
1881 E. R. Lankester in Encycl. Brit. XII. 555/1 The merogenesis (segmentation or bud-formation) can only show itself by..compelling..the organs or regions of the body of the primary unit to assume the form of new units.
1920 I. F. Henderson & W. D. Henderson Dict. Sci. Terms 182/1 Merogenesis, formation of parts; segmentation.
2. = merogony n. 2.
ΚΠ
1979 Jrnl. Protozool. 26 376/1 The amylopectin granules present in the schizont increased in number with the onset of merogenesis.
1984 Jrnl. Protozool. 31 233/1 The meronts continually increased in size during merogenesis.
Derivatives
merogeˈnetic adj. rare of or relating to merogenesis or merogony (in either sense).
ΚΠ
1890 Cent. Dict. Merogenetic, pertaining to, characterized by, or exhibiting merogenesis.
1900 Amer. Naturalist 34 981 This development of fertilized, enucleated pieces of eggs the author [sc. Y. Delage] calls merogenetic development.
This entry has been updated (OED Third Edition, September 2001; most recently modified version published online March 2022).
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n.1881