In ancient times, a ring was used to seal a promise, much in the same way rings of different types are used to symbolize promises today. Bishops would wear rings to symbolize their spiritual âmarriageâ or union with the church.
What is Extina? Extina (ketoconazole) is an antifungal medication that prevents fungus from growing on your skin. Extina Foam is used on the skin (topical) to treat a skin condition called seborrheic dermatitis in patients 12 years of age and older. Seborrheic dermatitis can cause areas of flaky skin (scales) on the scalp, face, ears, chest or upper back.
The optic nerve is the only nerve in the body that we can actually see (using our ophthalmoscope) in vivo. The outer wall of the eye is called the sclera. The sclera is white, fibrous, composed of collagen, and is actually continuous with the clear cornea anteriorly.