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 Conflict Between Federal and State Marijuana Laws. Under the federal Controlled Substances Act (CSA) of 1970, marijuana is classified as a Schedule I substance. By definition, Schedule I drugs have a high potential for abuse and dependency, with no recognized medical use or value.