Dec 1, 2025 · Human ear, organ of hearing and equilibrium that detects and analyzes sound by transduction and maintains the sense of balance. Anatomically, the ear has three distinguishable …

Dec 1, 2025 · Human ear - Anatomy, Hearing, Balance: The most-striking differences between the human ear and the ears of other mammals are in the structure of the outermost part, the auricle. In …

Dec 1, 2025 · Human ear - Hearing, Anatomy, Physiology: Hearing is the process by which the ear transforms sound vibrations in the external environment into nerve impulses that are conveyed to the …

The outer ear directs sound vibrations through the auditory canal to the eardrum, which is stretched across the end of the auditory canal and which transmits sound vibrations to the middle ear.

Dec 1, 2025 · Human ear - Eardrum, Ossicles, Hearing: The thin semitransparent tympanic membrane, or eardrum, which forms the boundary between the outer ear and the middle ear, is stretched …

When sound waves are conducted across the bones of the middle ear, they cause the oval window (a membranous opening between the middle and inner ears) to move in and out along with the stapes …

Dec 1, 2025 · Human ear - Cochlea, Hearing, Balance: The cochlea contains the sensory organ of hearing. It bears a striking resemblance to the shell of a snail and in fact takes its name from the …

Dec 1, 2025 · There are actually two labyrinths of the inner ear, one inside the other, the membranous labyrinth contained within the bony labyrinth. The bony labyrinth consists of a central chamber called …

Air movement against the eardrum initiates action of the ossicles of the ear, which, in turn, causes movement of fluid in the spiral cochlea. This fluid movement is converted by the organ of Corti into …

There are two tiny muscles in the middle ear, which serve to alter the tension on the ear bones and thus the intensity (degree of loudness) of sounds.