Human ear | Structure, Function, & Parts | Britannica
Sep 10, 2024 · 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 parts: the outer, middle, and inner ear. Learn about the …
Human ear - Anatomy, Hearing, Balance | Britannica
Sep 10, 2024 · 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 humans the auricle is an almost rudimentary, usually immobile shell that lies close to the side of the head.
Human ear - Hearing, Anatomy, Physiology | Britannica
Sep 10, 2024 · Know how human ears help to perceive and distinguish sounds The ear is the organ of hearing; it enables the perception of sound. Hearing is the process by which the ear transforms sound vibrations in the external environment into nerve impulses that are conveyed to the brain, where they are interpreted as sounds.
Human ear - Balance, Vestibular, Physiology | Britannica
Sep 10, 2024 · Human ear - Balance, Vestibular, Physiology: The vestibular system is the sensory apparatus of the inner ear that helps the body maintain its postural equilibrium. The information furnished by the vestibular system is also essential for coordinating the position of the head and the movement of the eyes.
Human ear - Eardrum, Ossicles, Hearing | Britannica
Sep 10, 2024 · 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 obliquely across the end of the external canal.
Inner ear | Definition, Anatomy, Balance, & Facts | Britannica
Inner ear, part of the ear that contains organs of the senses of hearing and equilibrium. The bony labyrinth, a cavity in the temporal bone, is divided into three sections: the vestibule, the semicircular canals, and the cochlea. Within the bony labyrinth is …
The anatomy of the ear | Britannica - Encyclopedia Britannica
Structures of the human ear. The cartilaginous auricle and the auditory canal of the outer ear direct sound waves to the middle ear. The eardrum, stretched across the end of the canal, vibrates as sound waves reach it.
Human ear - Endolymph, Perilymph, Hearing | Britannica
Sep 10, 2024 · Human ear - Endolymph, Perilymph, Hearing: The perilymph, which fills the space within the bony labyrinth surrounding the membranous labyrinth, is similar, but not identical, in composition to other extracellular fluids of the body, such as cerebrospinal fluid.
External ear | anatomy | Britannica
In human ear: Transmission of sound by air conduction. The outer ear directs sound waves from the external environment to the tympanic membrane. The auricle, the visible portion of the outer ear, collects sound waves and, with the concha, the cavity at the entrance to the external auditory canal, helps to funnel sound into the… Read More
Human eye | Definition, Anatomy, Diagram, Function, & Facts
Oct 29, 2024 · Human eye, specialized sense organ in humans that is capable of receiving visual images, which are relayed to the brain. The anatomy of the eye includes auxiliary structures, such as the bony eye socket and extraocular muscles, as well as the structures of the eye itself, such as the lens and the retina.