title: Fine structure of muscle spindles in the woodpecker (Dendrocopus major) and Quail (Coturnix coturnix japonica).
mesh_terms: D000818:Animals; D001717:Birds / Q000033:anatomy & histology*; D003370:Coturnix / Q000033:anatomy & histology*; D008854:Microscopy, Electron; D009045:Motor Endplate / Q000648:ultrastructure; D009470:Muscle Spindles / Q000648:ultrastructure*; D011784:Quail / Q000033:anatomy & histology*; D011984:Sensory Receptor Cells / Q000648:ultrastructure