title: Ultrastructural observations of a muscle spindle in the region of a contraction site of a dynamic gamma axon.
mesh_terms: D000818:Animals; D001369:Axons / Q000648:ultrastructure*; D002415:Cats; D009046:Motor Neurons / Q000648:ultrastructure*; D009047:Motor Neurons, Gamma / Q000648:ultrastructure*; D009119:Muscle Contraction; D009470:Muscle Spindles / Q000648:ultrastructure*