title: Localization of muscle spindles in the human Extensor Indicis muscle for biopsy purposes.
mesh_terms: D006225:Hand / Q000033:anatomy & histology*; D006801:Humans; D007231:Infant, Newborn; D008854:Microscopy, Electron; D009470:Muscle Spindles / Q000166:cytology*; D009132:Muscles / Q000033:anatomy & histology / Q000294:innervation*; D013194:Staining and Labeling