Comparisons in the structure of avian muscle spindles.
D000818:Animals; D001717:Birds; D002171:Canaries; D002467:Cell Nucleus; D002645:Chickens; D010856:Columbidae; D009470:Muscle Spindles / Q000033:anatomy & histology*; D009132:Muscles; D009210:Myofibrils; D013045:Species Specificity