Sentences with phrase «regenerate heads and tails»
Mechanisms have been sought to explain this process of regeneration polarity for over 100 years, but until now, little was known about how planaria can regenerate heads and tails at their proper sites.
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Intriguingly, Petersen and Reddien also noticed that wounding triggers activation of a Wnt gene at injury sites that normally regenerate a head, suggesting that something else must determine whether a wound makes a head or a tail.