Fig. 24. Sensory endings in interstitial connective tissue; human extraocular muscles. A. Flower bud–like ending. B. Brushlike sensory end structure. C. Sensory spool. D. Arboreal sensory ending. E. Sensory end bulb. (Wolter J: Morphology of the sensory nerve apparatus in striated muscle of the human eye. Arch Ophthalmol 53:201, 1955.)