enamel columns — prismata adamantina … Medical dictionary
Fiber — The parts of plants that cannot be digested, namely complex carbohydrates. Also known as bulk or roughage. Complex carbohydrates from plants are rich in starch and fiber. Examples of plants that provide complex carbohydrates (fiber) are fresh… … Medical dictionary
Rod — A type of specialized light sensitive cell (photoreceptor) in the retina of the eye that provides side vision and the ability to see objects in dim light (night vision). By contrast, the cones are the retinal photoreceptors that provide sharp… … Medical dictionary
prism — A transparent solid, with sides that converge at an angle, that deflects a ray of light toward the thickest portion (the base) and splits white light into its component colors; in spectacles, a p. corrects ocular muscle im … Medical dictionary
prisma — A structure resembling a prism. [G. something sawed, a prism] prismata adamantina the calcified, microscopic rods radiating from the surface of the dentin, forming the substance of the enamel of a tooth. SYN: enamel fibers, enamel prisms … Medical dictionary
adamantine prisms — enamel prisms prismata adamantina; see under prisma … Medical dictionary