水螅：分离的神经分泌颗粒诱导额外头部的形成。
Hydra: induction of supernumerary heads by isolated neurosecretory granules.
作者信息
Lentz T L
出版信息
Science. 1965 Oct 29;150(3696):633-5. doi: 10.1126/science.150.3696.633.
PMID:4378694
Abstract
Neurosecretory granules of Hydra littoralis were isolated by differential centrifugation. Excised midsegments of hydra that were exposed to the fraction containing neurosecretory granules developed additional heads at any site, as they regenerated. Hence neurosecretory granules may contain a factot that regulates or stimulates growth in normal and regenerating hydra.
摘要
通过差速离心法分离出了海滨水螅的神经分泌颗粒。将切除的水螅中段暴露于含有神经分泌颗粒的组分中，当它们再生时，在任何部位都长出了额外的头部。因此，神经分泌颗粒可能含有一种在正常和再生水螅中调节或刺激生长的因子。
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