Marcum B A, Campbell R D, Romero J
Science. 1977 Aug 19;197(4305):771-3. doi: 10.1126/science.887920.
Hydra experimentally depleted of all nerve cells and nerve stem cells (interstitial cells) demonstrate normal polarity reversal. Thus hydra epithelial cells are capable of controlling complex developmental patterning phenomena.
实验性地去除了所有神经细胞和神经干细胞（间质细胞）的水螅表现出正常的极性反转。因此，水螅上皮细胞能够控制复杂的发育模式形成现象。
