Complex sentence: Rays 1 through 9 each had about 4 fibers per Eimer's organ, while rays 10 and 11 had significantly higher innervation densities of 5.6 and 7.1 fibers per organ, respectively, revealing how the sensory periphery is differentially specialized across the star.
Split into simpler sentences: Rays 1 through 9 each had about 4 fibers per Eimer's organ, while rays 10 and 11 had significantly higher innervation densities of 5.6 and 7.1 fibers per organ, respectively. Revealing how the sensory periphery is differentially specialized across the star.