Iris dilator muscle the superior orbital fissure. From there, they travel with the nasociliary nerve and then the long ciliary nerve. They then pierce the sclera, travel between sclera and choroid to reach the iris dilator muscle. They will also pass through ciliary ganglion and travel in short ciliary nerves to reach the iris dilator muscle. The pupillary dilator acts to increase the size of the pupil to allow more light to enter the eye. It works in opposition to the pupillary constrictor. Pupil dilation occurs when there is insufficient light for the normal function of the eye, and during heightened sympathetic activity,
1st Arkansas Light Artillery Battery (Colored) was assigned to garrison duty at Pine Bluff, Ark. 7th Army Corps, Dept. of Arkansas, till December, 1864. The battery saw action at Prior Creek on September 18, 1864. The battery was involved in the Expedition to Mount Elba, Ark., and the skirmish at Saline River, January 22-February 4, 1865. Mustered out on August 10, 1865. 1st Arkansas Light Artillery Battery (Colored) The 1st Arkansas Light Artillery Battery (African Descent) was a artillery battery that served in the Union Army during the American Civil War. The regiment was composed of African American enlisted men commanded by white officers and was