Food iron is absorbed by the intestinal mucosa from two separate pools of heme and nonheme iron. Heme iron, derived from hemoglobin and myoglobin, is well absorbed and relatively little affected by other foods eaten in the same meal. On the other hand, the absorption of nonheme iron, the major dietary pool, is greatly influenced by meal composition.
Five years later, the FDA approved. the first cochlear implant for use in children ages 2. years and older. And in 2000, the FDA approved the. implantation of children as young as 12 months of age. for one type of cochlear implant.
This type of hearing loss is sensorineural, which means there is damage to the tiny hair cells in the part of the inner ear called the cochlea. Because of this damage, sound cannot reach the auditory nerve. With a cochlear implant, the damaged hair cells are bypassed, and the auditory nerve is stimulated directly.The cochlear implant does not result in ârestoredâ or âcuredâ hearing. It does, however, allow for the perception of the sensation of sound.his type of hearing loss is sensorineural, which means there is damage to the tiny hair cells in the part of the inner ear called the cochlea. Because of this damage, sound cannot reach the auditory nerve. With a cochlear implant, the damaged hair cells are bypassed, and the auditory nerve is stimulated directly.