DEA: The Drug Enforcement Administration of the US Department of Justice, which regulates interstate commerce in prescription drugs to prevent them from being used as drugs of abuse. Every prescription written in the US bears the DEA number of the prescribing physician.
Partial or complete hearing loss. Levels of hearing impairment vary from a mild to a total loss of hearing. Elderly adults suffer most often from hearing loss. The most common cause of hearing loss in children is otitis media. A substantial number of hearing impairments are caused by environmental factors such as noise, drugs, and […]
- Deafness and Communication Disorders, Institute
Deafness and Communication Disorders, National Institute on: One of the US National Institutes of Health. The mission of the National Institute on Deafness and Other Communication Disorders is to “conduct and support biomedical research and research training on normal mechanisms as well as diseases and disorders of hearing, balance, smell, taste, voice, speech, and language […]
- Deafness and keratopachydermia
Deafness and keratopachydermia: Congenital deafness with keratopachydermia and constrictions of fingers and toes. See: Vohwinkel syndrome.
- Deafness, acquired
The loss of hearing that occurs or develops some time during a person’s life but was not present at birth. Acquired deafness contrasts to congenital deafness which is present at birth. The distinction between acquired and congenital deafness specifies only the time that the deafness appears. It does not specify whether the cause of the […]
- Deafness, congenital
Loss of hearing present at birth. Congenital deafness contrasts to acquired deafness which occurs after birth. The distinction between congenital and acquired deafness specifies only the time that the deafness appears. It does not specify whether the cause of the deafness is genetic (inherited). Congenital deafness may or may not be genetic. For example, it […]