That becomes segmented prior to hatching(adjective)
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Use "epimorphic" in a sentence
"The data suggest that the age at which various inbred mouse strains become capable of epimorphic regeneration may be correlated with adult body weight."
"Proceedings of the National Academy of Sciences, U.S.A., help to explain how epimorphic regeneration - the regrowing of morphologically and functionally perfect copies of amputated limbs - is controlled, an important step toward understanding why certain animals can do it and we cannot."
"In addition, SDF1 as well as FGF signalling pathways have recently been shown to be involved in the control of epimorphic regeneration."