What do i need to know about the anatomy and physiology of. Learn about the ears function in the body and test and. Choose from 500 different sets of anatomy and physiology of the ear flashcards on quizlet. Articles here youll find a range of short articles on basic anatomy and physiology topics, complete with a few test yourself questions for each one images and pdf s just in case you get tired of looking at the screen weve provided images and pdf files that you can print out and use for offline. It is graypink in color when healthy and consists of three very thin layers of living tissue. Due to ear, nose and throat we are able to hear, smell and speak. The three ossicles include the malleus, incus and stapes. The pinna and external auditory canal form the outer ear, which is separated from the middle ear by the tympanic membrane. Human ear anatomy and physiology is the topic that i am going to. A sound is characterized by its frequency and intensity. The external ear is the auricle, or pinna, a cartilagesupported fleshy flap that helps to funnel sound waves into the external auditory canal. In the cochlea lies a tubular extension of the membranous labyrinth, the cochlear duct. Human ear is one of the essential part of our head. Anatomically, the ear can be looked at in three parts.
Ear canal the ear canal or external auditory meatus is approximately 1. The inner twothirds of the ear canal is imbedded in the temporal bone. See more ideas about anatomy and physiology, physiology and anatomy. Structure anatomy and function physiology james loock division orl faculty of health sciences stellenbosch university. The various components that together make up the functional unit of the ear may be conveniently divided into three parts. The middle ear contains the ossicles and is connected to the pharynx by the auditory tube. Sound waves travel down this canal to the tympanic membrane, a thin sheet of connective tissue also known as the eardrum. Anatomy and physiology of the ear aintree university hospital. External auditory canal or tube the tube that connects the outer ear to the inside or middle ear.
Learn quiz on anatomy physiology ear with free interactive flashcards. The external and middle ears are involved in hearing only, whereas the inner ear functions in both hearing and balance. Inner ear consist of two parts 1 bony osseous labyrinth. The most basic breakdown of the ear is into 4 parts. Concerning ear anatomy, the ear can be divided into three regions. The outer ear the pinna, also called the auricle, is part of the outer ear and the most visible portion figure 42. It contains fluid called perilymph and three cavities, called the cochlea, vestibule. Anatomy and physiology of peripheral auditory system and. Eustachian tube occasional opening of the eustachian tube is necessary to ventilate and equalize pressure in the middle ear. Every structure of the ear has their own functions and are very important. Outer ear pinna and auditory canal down to the level of the tympanic membrane. Basic human ear anatomy and physiology outer middle and. Middle ear contains the malleus, incus and stapes bones known as the ossicles.
The sense of hearing is sensitive to the sound stimuli. This quiz focuses on testing you on the middle ear, its structure and how it helps you to hear. Anatomy and physiology of the ear health encyclopedia. This handout will explain the parts of the ear and how we. The external ear includes the auricle and the external auditory meatus. Even so, most people do not realize the true complexity and magnificence of our hearing systemat least not until hearing loss or damage occurs. Anatomy and physiology of the ear main components of the hearing mechanism outer ear middle ear inner ear central auditory nervous system structures of the outer ear auricle pinna collects sound helps in sound localization most efficient in directing high frequency sounds to the eardrum external auditory canal approximately 1. This chapter discusses the anatomy and physiology of the inner ear, with emphasis on the vestibular organs and functions, and the vestibular pathways in the central nervous system. Articles here youll find a range of short articles on basic anatomy and physiology topics, complete with a few test yourself questions for each one. This handout will explain the parts of the ear and how we hear. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Introduction to the anatomy and physiology of the auditory system. The ear is a unique organ that is not only necessary for hearing, but also for maintaining balance. The human ear consists of the outer ear pinna or concha, outer ear canal, tympanic membrane, the middle ear middle ear cavity with the three ossicles malleus, incus and stapes and the inner ear cochlea which is connected to the three semicircular canals.
Find human ear anatomy stock images in hd and millions of other royaltyfree stock photos, illustrations and vectors in the shutterstock collection. The text begins with a history of the discovery of the anatomy and physiology of the ear and works systematically from the external, middle, and inner ear to the brain. Middle c on a piano has a frequency of 256 cycles per second, whereas high c seven white keys to the right has a frequency of 512 cycles per second figure 441. Human ear and physiology of hearing linkedin slideshare. These include the outer ear, middle ear, and inner ear. Inner ear anatomy, anatomy and physiology of the ear.
The middle ear contains the three smallest bones in the body, and these are called the. The ear is an organ of the human body that transmits and transduces sound to the brain through the parts of the ear. Applied anatomy, physiology and embryology of the ear the ear contains two specialized sensory organs, the cochlea and the vestibular apparatus, enclosed in the extremely hard protective casing of the temporal bone. The middle ear is the airfilled chamber between two membranes the eardrum and the oval window. The nose is the organ of smell located in the middle of the face. Anatomy and physiology of the ear childrens wisconsin. In this article we cover anatomy and physiology of ear, nose and throat in detail with pictures. The ear canal protects the eardrum and acts as a resonator, providing about 10 decibels db of gain to the eardrum at around 3,300 hertz hz. Choose from 500 different sets of quiz on anatomy physiology ear flashcards on quizlet. Anatomy, physiology, and disorders of the auditory system second edition by aage r. Nov 23, 2015 the human ear is divided into three compartments. The ears are paired sensory organ comprising the auditory system involved in the detection of sound and vestibular system involved with the maintaining of body balance. People with normal hearing can tell the difference between two sounds that differ in frequency by less than 0.
Thousands of new, highquality pictures added every day. The bony labyrinth contains the otic capsule, which is denser than the surrounding temporal bone. The inner ear is the cochlea and vestibule which are responsible for hearing and equilibrium, respectively. The pinna and the ear canal are all part of what is known as the external ear, while the tympanic membrane forms the boundary between the external ear and middle ear.
The most visible and easily recognized as well a s adorned by jewelry part of the ear is the pinna also called the auricle which is flap of cartilage. Anatomy and physiology of hearing anatomy and physiology study guide anatomy and physiology study guides the physiology of hearing physiology of hearing and balance anatomy and physiology of. The organs of hearing and balance are divided into three parts. Sounds are produced when vibrating objects, such as the plucked string of a guitar, produce pressure pulses of vibrating air molecules, better known as sound. Anatomy and physiology of the external, middle and inner ear. The outer ear consists of two partsthe pinna and the external auditory canal ear canal. Anatomy, physiology and function of the auditory system. The tympanic membrane or eardrum serves as a divider between the outer ear and the middle ear structures. The inner earlabrynth bony labrynth membraneous labrynth 4. Mar 16, 2019 the system for human hearing and balance is a very complex design. The ear, nose and throat are those organ which has some special sense and these are sensory organs. Virtual tour of the ear excellent site that is very specific. Although the shape of each ear canal varies, in general the canal forms an elongated s shape curve. Watch free video lecture by the worlds most popular medical teacher.
External ear auricle t he auricle consists of a network of yellow elastic fibrocartilage covered by a very thin layer of skin, which tightly adheres directly to the perichondrium. The ear converts sound waves from our surroundings into nerve signals that are carried by neurons to the brain. Anatomy and physiology of the ear how we hear communication is receiving and giving information. The inner ear labrynth bony labrynth membraneous labrynth 4. The net effect of the head, pinna, and ear canal is that sounds in the 2,000 to 4,000 hz region are amplified by 10 to 15 db. Jun 14, 20 human ear anatomy and physiology is our todays topics. The anatomy of the outer ear also protects the tympanic membrane from. The outer ear is the auricle and ear canal through to the tympanic membrane.
Inner ear anatomy the auditory section of the inner ear is the cochlea, a bony canal 3. Webmds ear anatomy page provides a detailed image and definition of the ear as well as an overview of earrelated health problems. Anatomy and physiology of ear, nose and throat pharmahelp. Human auditory system sharif university of technology. Basic human ear anatomy and physiology outer middle and inner ear. Aug 09, 2015 human ear and physiology of hearing 1. Tags anatomy of ear, detailed information of human ear, ear and its parts, human ear, physiology of ear, size of human ear post navigation cyberpunk 2020 pdf download free top 5 educational websites every student should visit today. In addition, new labels for various angles and crosssectional areas of the external auditory canal are provided. The middle ear houses three ossicles, the malleus, incus and stapes and is connected to the back of the nose by the eustachian tube. Images and pdf s just in case you get tired of looking at the screen weve provided images and pdf files that you can print out and use for offline practice. Anatomy tour excellent web site with wonderful pictures and graphics. Learn anatomy and physiology of the ear with free interactive flashcards.
Presentations ppt, key, pdf logging in or signing up. Cliffsnotes study guides are written by real teachers and professors, so no matter what youre studying, cliffsnotes can ease your homework headaches and help you score high on exams. Mechanical events resulting from sound, gravitational forces, and rotational acceleration are detected by the cochlea and vestibular organs within the inner ear. Ossicular chain vibrates as a unit converts sound energy into mechanical energy 3. If you are getting ready for a test this is the web site for you. Anatomy of inner ear inner ear lies in petrous part of temporal bone. Inner ear contains the membranous and bony labyrinths, and the cochlea. Sound is a mechanical vibration eg, as produced by a vibrating piano string. Its major function is to capture and direct sound waves into the ear canal. We hear with our ears and we listen with our brains. The inner ear houses the vestibulocochlear organ that maintains balance and receives sound from the middle ear.
Anatomy and physiology our hearing is undoubtedly one of our most important senses because of how sound information is utilized for communication and connection to our family, friends, and the world. Nov 23, 2015 anatomy and physiology of hearing anatomy and physiology study guide anatomy and physiology study guides the physiology of hearing physiology of hearing and balance anatomy and physiology of. Anatomy and physiology of the ear linkedin slideshare. The more you will learn about how it works, the more you may think how can it work at all. The outer ear comprises the pinna, auditory canal, and eardrum. In this section weve added a few alternative study aids to help you along. The middle ear is an airfilled cavity composed of the tympanic membrane, and the ossicles with the associated muscles, tendons, and ligaments, as well as the eustachian tube. Outer ear middle ear inner ear central auditory nervous system 3. Human ear anatomy and physiology is our todays topics. The basement excellent site that has anatomy quizzes and animated pictures.
1259 681 216 851 788 150 624 870 733 1138 875 750 626 1518 772 190 667 1356 348 104 357 1445 213 1585 610 1136 572 628 1420 243 367 862 730 236 430 357 1020 882 952 1051 201 1147