Laura is a science news writer, covering a wide variety of subjects, but she is particularly fascinated by all things aquatic, paleontology, nanotechnology, and exploring how science influences daily life. Laura is a proud former resident of the New Jersey shore, a competitive swimmer, and a fierce defender of the Oxford comma.
ArticleBody:In the name of survival, starfish sever their own body parts to escape predators. They will also eventually regenerate those lost limbs, but how this biological process works has remained a mystery. Now, a team of scientists have detected a type of neurohormone that is responsible for triggering limb-cutting in the common sea star . The findings are detailed in a study published August 29 in the journal Current Biology.
When the stomach becomes full and food is passed into the intestine, CCK is one of the hormones that triggers a signal to the brain that it's time to stop eating. Given CCK’s role in mammal feeding behavior, Elphick and study co-author Ana Tinoco of the QMUL and University of Cadiz in Spain were looking at how a cholecystokinin-type neurohormone called ArSK/CCK1 works when starfish eat.
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