kuulmisjuha
Kuulmisjuha, also known as the auditory canal or external auditory meatus, is a crucial part of the human ear responsible for transmitting sound waves from the outer environment to the eardrum. It is a tube-like structure that extends from the auricle (the visible outer ear) inward to the tympanic membrane. The length of the kuulmisjuha in adults is approximately 2.5 centimeters and it has a diameter of about 0.7 centimeters.
The walls of the kuulmisjuha are composed of cartilage in its outer third and bone in its
The shape of the kuulmisjuha is slightly curved, which helps to amplify certain frequencies of sound and