Movement without muscles
Thursday, May 12, 2011 - 09:31
in Physics & Chemistry
A group of scientists headed by Michael Nickel of Friedrich Schiller University Jena (Germany) gives new answers to the question: Which cells in the sponges are contracting? They were able to show that the inner and outer surfaces -- and therefore the epithelial cells, so-called pinacozytes, cause the strong body contractions of the sponges.