post-embryonic stageGo to external page http://purl.obolibrary.org/obo/UBERON_0000092
Stage succeeding embryo, including mature structure.
In birds, the postnatal stage begins when the beak penetrates the shell (i.e., external pipping) (Brown et al. 1997)
- life cycle stage
- simultaneous with some post-embryonic development
- part of some post-embryonic development
- preceded by some embryo stage
- part of some life cycle