Human ear | Structure, Function, & Parts | Britannica
2024年11月21日 · 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 anatomy and physiology of the human ear in this article.
Human ear - Anatomy, Hearing, Balance | Britannica
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
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 brain, where they are interpreted as sounds.
Vestibular system | Definition, Anatomy, & Function | Britannica
Vestibular system, apparatus of the inner ear involved in balance. It consists of two structures of the bony labyrinth of the inner ear, the vestibule and the semicircular canals, and the structures of the membranous labyrinth contained within them.
Human ear - Hearing, Cochlea, Organ of Corti | Britannica
2024年11月21日 · Human ear - Hearing, Cochlea, Organ of Corti: Arranged on the surface of the basilar membrane are orderly rows of the sensory hair cells, which generate nerve impulses in response to sound vibrations.
Human ear - Balance, Vestibular, Physiology | Britannica
2024年11月21日 · There are two sets of end organs in the inner ear, or labyrinth: the semicircular canals, which respond to rotational movements (angular acceleration); and the utricle and saccule within the vestibule, which respond to changes in the position of the head with respect to gravity (linear acceleration).
ear - Kids | Britannica Kids | Homework Help
Humans have two ears, one on each side of the head. Each ear has three sections: the outer ear, the middle ear, and the inner ear. The outer ear is divided into two main parts: the auricle and the ear canal. The auricle is the part of the ear that is visible on the sides of the head. It is made of a tough material called cartilage.
Human ear - Cochlea, Vestibule, Semicircular Canals | Britannica
2024年11月21日 · The vestibular system is the apparatus of the inner ear involved in balance. It consists of two structures of the bony labyrinth, the vestibule and the semicircular canals, and the structures of the membranous labyrinth contained within them.
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.
Membranous labyrinth | ear | Britannica
In human ear: Inner ear …one inside the other, the membranous labyrinth contained within the bony labyrinth. The bony labyrinth consists of a central chamber called the vestibule, the three semicircular canals, and the spirally coiled cochlea.