The Islets of Langerhans aren't a vacation spot but a group of cells in this organ
The 
Islets of Langerhans aren't a vacation spot but a group of cells in this... [DOC] [TLE] Banting, Frederick - Science Heroes [PAR] He wanted to serve on the frontlines, but Canadian officials denied his request, 
.... from the obstruction, but the cells in the islets of Langerhans were still healthy.