title: The secretion and development of nematocysts in a siphonophore.
mesh_terms: D002454:Cell Differentiation; D002465:Cell Movement; D003063:Cnidaria / Q000033:anatomy & histology / Q000166:cytology / Q000254:growth & development*; D004721:Endoplasmic Reticulum / Q000502:physiology; D008854:Microscopy, Electron; D008858:Microscopy, Phase-Contrast; D008870:Microtubules / Q000502:physiology