#egg  animal reproductive body consisting of an ovum or embryo together with nutritive and protective envelopes; especially the thin-shelled reproductive body laid by e.g. female birds
  supertype:  #ovum__egg_cell__eggcell  the female reproductive cell; the female gamete
  subtype:  #nit  #spawn  #roe  #silkworm_seed  #roe.egg
  part:  #chalaza  one of two spiral bands of tissue connecting the egg yolk to the enclosing membrane at either end of the shell
  part:  #yolk__vitellus  nutritive material of an ovum stored for the nutrition of an embryo (especially the yellow mass of a bird or reptile egg)

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