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.
RETINA: Microscopic structure of optic disk area. The innermost layer of the eye, which receives images transmitted through the lens and contains the receptors for vision, the rods and cones.See: illustration retinal (-nÄl), adjective. The retina is a light-sensitive membrane on which light rays are focused.ETINA: Microscopic structure of optic disk area. The innermost layer of the eye, which receives images transmitted through the lens and contains the receptors for vision, the rods and cones.