Sclera in lobe-finned fishes, various reptiles, and birds. The ring has disappeared in many groups, including living amphibians, some reptiles and fish, and all mammals. The eyes of all non-human primates are dark with small, barely visible sclera. The collagen of the sclera is continuous with the cornea. From outer to innermost, the four layers of the sclera are: The sclera is opaque due to the irregularity of the Type I collagen fibers, as opposed to the near-uniform thickness and parallel arrangement of the corneal collagen. Moreover, the cornea bears more mucopolysaccharide (a carbohydrate that has among its repeating units a
Catholic theology of the body and the Israelites. By giving man a perishable body, man was saved from the deep fall of Lucifer into eternal damnation. Gregory does not describe the human body before the fall, but he states that the bodily existence of man was free of any illness, needs or problems. The human body was related to God and free of sin towards him. The fall consisted in false pride, a revolt against God. Regarding the relation between body and soul, Gregory states, the body is related to the soul, like the way in which the soul is related to God. To explain