korvakäytäviä
Korvakäytäviä refers to the passages within the external ear that lead from the auricle (outer ear) to the tympanic membrane (eardrum). In humans, this anatomical structure is known as the external auditory canal or external acoustic meatus. It plays a crucial role in hearing by channeling sound waves towards the eardrum.
The korvakäytäviä is typically about 2.5 centimeters long in adults and has a slightly irregular shape. It
The shape and structure of the korvakäytäviä can vary between individuals and species. In some animals, the