👉 Apulium, a type of organ found in mammals, is responsible for transmitting sound vibrations from the ear to the brain. It consists of two small bones called the ossicles. The first ossicle, or apulium, is located on the outer surface of the ear and helps to create sound waves that travel through the middle ear, while the second ossicle, or aplustrum, is located in the inner ear and plays a crucial role in the balance and coordination between the ears