What is baclofen, and what are its side effects? Baclofen is a medication that works in the brain to decrease uninhibited signals that start in an injured area of the brain and cause spasticity. By decreasing these signals, the affected muscle can relax somewhat, and the symptoms of spasticity can be reduced.
The eustachian tube is a canal that connects the middle ear to the nasopharynx, which consists of the upper throat and the back of the nasal cavity.It controls the pressure within the middle ear, making it equal with the air pressure outside the body.he eustachian tube is a canal that connects the middle ear to the nasopharynx, which consists of the upper throat and the back of the nasal cavity.
The Eustachian tube is derived from the ventral part of the first pharyngeal pouch and second endodermal pouch, which during embryogenesis forms the tubotympanic recess. The distal part of the tubotympanic sulcus gives rise to the tympanic cavity, while the proximal tubular structure becomes the Eustachian tube.