title: Regeneration: Organizing the Blastema in Planarians.
abstract: The processes that trigger regeneration after injury and link new and old tissue are not fully understood. New findings indicate that, after decapitation, planarians build an organizing center from stem cells at the old midline that directs head patterning and outgrowth.
authors.affiliation: Department of Molecular Biosciences, Northwestern University, Evanston, IL 60208, USA; Robert Lurie Comprehensive Cancer Center, Northwestern University, Evanston, IL 60208, USA. Electronic address: christian-p-petersen@northwestern.edu.
authors.forename: Christian P
authors.initials: CP
authors.lastname: Petersen
mesh_terms: D000818:Animals; D019521:Body Patterning; D006257:Head; D010932:Planarians; D012038:Regeneration; D013234:Stem Cells