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.
Under federal law, marijuana is treated like every other controlled substance, such as cocaine and heroin. The federal government places every controlled substance in a schedule, in principle according to its relative potential for abuse and medicinal value.Under the CSA, marijuana is classified as a Schedule I drug, which means that the federal government views marijuana as highly addictive and having no medical value.he federal government regulates drugs through the Controlled Substances Act (CSA) (21 U.S.C. Â§ 811), which does not recognize the difference between medical and recreational use of marijuana.