title: Study of the grasping spines and teeth of 6 chaetognath species observed by scanning electron microscopy.
abstract: The grasping spines and teeth of 6 species of Chaetognatha have been studied with the scanning electron microscope, describing in the grasping spines: curvature, surface, ridge and insertion and in the teeth, its characters and their arrangement on the head.
mesh_terms: D000818:Animals; D000845:Annelida / Q000033:anatomy & histology*; D008855:Microscopy, Electron, Scanning