Iris dilator muscle "musculus dilator pupillae", The "Nomina Anatomica" as authorized in 1895 in Basle and in 1935 in Jena used the full Latin expression. Iris dilator muscle The iris dilator muscle (pupil dilator muscle, pupillary dilator, radial muscle of iris, radiating fibers), is a smooth muscle of the eye, running radially in the iris and therefore fit as a dilator. The pupillary dilator consists of a spokelike arrangement of modified contractile cells called myoepithelial cells. These cells are stimulated by the sympathetic nervous system. When stimulated, the cells contract, widening the pupil and allowing for more light to pass through the eye.
What to the Slave Is the Fourth of July? that slavery could be eliminated with the support of the church, and also with the reexamination of what the Bible was actually saying. You profess to believe, "that, of one blood, God made all nations of men to dwell on the face of all the earth," and hath commanded all men everywhere to love one another; yet you notoriously hate (and glory in your hatred) all men whose skins are not colored like your own. Douglass wants his audience to realize that they are not living up to their proclaimed beliefs. He talks about how they, being Americans, are proud