[Apical growth of the bud in Hydra].
The experiments with markers combined with the vital and histological methods have shown that there is a zone of apical accretion in the bud of Hydra attenuatu. During one of the phases of periodic cell movement, the mesoglea breaks through in the center of apex and the endodermal cells insert in the ectoderm.
D002465:Cell Movement; D006829:Hydra / Q000166:cytology / Q000254:growth & development*
Verkhushechnyĭ prirost pochki gidry