title: Functional properties of a muscle spindle with no fluid space.
mesh_terms: D000200:Action Potentials; D000222:Adaptation, Physiological; D000818:Animals; D001001:Anura; D009470:Muscle Spindles / Q000502:physiology*; D009411:Nerve Endings; D011984:Sensory Receptor Cells; D013045:Species Specificity; D014426:Turtles