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 connects from the chamber of the middle ear to the back of the nasopharynx. The middle ear is very much like a specialized paranasal sinus, called the tympanic cavity; it, like the paranasal sinuses, is a hollow mucosa-lined cavity in the skull that is ventilated through the nose.n most mammals, the visible ear is a flap of tissue that is also called the pinna (or auricle in humans) and is the first of many steps in hearing. Vertebrates have a pair of ears placed somewhat symmetrically on opposite sides of the head.