1. Eustachian tube-either of the paired tubes connecting the middle ears to the nasopharynx; equalizes air pressure on the two sides of the eardrum. auditory tube. salpinx-a tube in the uterus or the ear. middle ear, tympanic cavity, tympanum-the main cavity of the ear; between the eardrum and the inner ear. Translations.
Indiana considers not only well-known drugs like marijuana, heroin, and cocaine to be controlled substances, but also the compounds used to manufacture them. Some CDS, like codeine, may be legally possessed with a valid prescription.
The federal government defines a controlled substance as any of the substances listed in the schedules of the Controlled Substances Act of 1970 (CSA). The schedules are broken down into five categories: Schedule I â These substances have no accepted medical use, are unsafe, and hold a high potential for abuse. Examples include heroin, LSD, marijuana, peyote, and ecstasy. Schedule II â These narcotics and stimulants have a high potential for abuse and engender severe psychological or ...