The human ear, like that of other mammals, contains sense organs that serve two quite different functions. The middle ear ossicles transmit the sound waves to the inner ear cochlea. Its main function is to refer information on equilibrium and skull position to the brain. Learn anatomy and physiology of the ear with free interactive flashcards. Ear anatomy activity the parts of a ear have been labeled. Jun 14, 20 human ear anatomy and physiology is our todays topics. Anatomy of the ear if you want to understand how the auditory system works, you must know the anatomy of the ear.
Anatomy and physiology of human ear ear it is an organ for hearing and maintenance of body equilibrium. Some observations on the anatomy and physiology of the ear. The pinna and external auditory canal form the outer ear, which is separated from the middle ear by. The outer ear consists of the visible portion called the. Outer ear has specialized edifice which helps to collect sound waves and provide each of us inimitable appearance. It sets three ossicle bones malleus, incus, stapes into motion, changing acoustic energy to mechanical energy. 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. Pdf on feb 23, 2017, ghada m wageih felfela and others published ear anatomy find, read and cite all the research you need on researchgate. This textbook, now in its 9th edition, made its appearance in 1989 and is the latest expression of her commitment to the needs of students studying human anatomy and physiology. This is the tube that connects the outer ear to the inside or middle ear. After crossing the external auditory meatus, the wave reaches the tympanic membrane. Anatomy and physiology of hearing flashcards quizlet.
Page 1 page2 page 3 page 4 page 5 page 6 page 7 page 8 go printable biology worksheets, anatomy, physiology, botany, zoology. Your challenge is to write the correct name for each part. The ear ossicles transmit sound wave from ear drum to inner ear. Human ear is one of the essential part of our head. This handout will explain the parts of the ear and how we hear. The nose is the organ of smell located in the middle of the face. Jan 18, 2018 the three ear ossicles malleus, incus and stapes form a chain of lever extending from tympanic membrane to inner ear. Marieb has given generously to provide opportunities. Outer ear is also called auricle or pinna in the medical term. Anatomy and physiology of the ear health encyclopedia. In lower animals pinna can be moved by muscular actions in the direction of sound source to collect sound in humans these muscles have little action.
Last week we discussed vision from a historical perspective in order to understand how johannes kepler, rene descartes and bishop berkeley discovered the importance of the mind in effecting vision. Exostosis sometimes there are bony narrowings of the ear canal known as exostoses which are often found. Lets follow a sound wave on its journey from entering the ear to being transduced to electrical signals and interpreted by the brain. Anatomy and physiology of the ear ear auditory system. Volume 1 the questions were written one topic at a time during the summer of 2005. In this article we cover anatomy and physiology of ear, nose and throat in detail with pictures.
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. Mechanical events resulting from sound, gravitational forces, and rotational acceleration are detected by the cochlea and vestibular organs within the inner ear. Dec 04, 2018 the external ear collects sound pressure waves and funnels them toward the tympanic membrane. The outer ear the pinna, also called the auricle, is part of the outer ear and the most visible portion figure 42.
The pinna and external auditory canal form the outer ear, which is separated from the middle ear by the tympanic membrane. It might look small and innocent, but the ear is in fact a rather complex part of our anatomy, full of delicate yet important structures. Oval window is a specialized part that joins the middle ear to the inner ear. We hear with our ears and we listen with our brains. 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.
Printable biology worksheets, anatomy, physiology, botany, zoology. Anatomy and physiology of the ear medcrine medical. Development, anatomy and physiology of the eye the word perspective comes from the latin perthrough and specere look at. Methods for removal of wax are beyond the scope of this document. Outer ear middle ear inner ear central auditory nervous system 3. This page provides anotated diagrams for students to label. Due to ear, nose and throat we are able to hear, smell and speak. Choose from 500 different sets of anatomy and physiology of the ear flashcards on quizlet. Anatomy and physiology of the ear jama otolaryngologyhead. 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. With our ear anatomy coloring page, improve your knowledge of everything from the facial nerve to the eustachian tube.
The outer ear is composed of cartilage bone and skin. The external and middle ears are concerned primarily with the transmission of sound. The middle ear houses three ossicles, the malleus, incus and stapes and is connected to the back of the nose by the eustachian tube. Acoustic energy, in the form of sound waves, passes pinna, ear canal. Anatomy of ear ear is divided into three main regions external ear middle ear inner ear. Sound waves hit the ear drum, causing it to vibrate like a drum. Printable biology worksheets, anatomy, physiology, botany. Sarita sharma assistant professor department of pharmacology mumbai 2. Anatomy and physiology of the ear how we hear communication is receiving and giving information. The tympanic membrane divides the external ear from the middle ear. 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.
Learn vocabulary, terms, and more with flashcards, games, and other study tools. Mar 18, 2018 the ear, nose and throat are those organ which has some special sense and these are sensory organs. Helps to collect sound waves and to localize the source of sound. We follow sounds as they work there way into the ear where they are registered and. These middle ear bones mechanically amplify sound and compensate mismatched. Alberti published 2006 medicine hearing is one of the major senses and like vision is important for distant warning and communication. The moststriking differences between the human ear and the ears of other mammals are in the structure. The function of the auditory ossicles in the middle ear is to concentrate the energy of the vibrating eardrum so as to create a greater force per unit area at the oval window, as previously described. Basic human ear anatomy and physiology outer middle and inner ear. 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.
The middle ear acts to match the impedance difference between the air of the external environment to the fluid within the cochlea. It is controlled by the brain through the eighth cranial nerve called vestibulocochlear nerve. Anatomically, the ear has three distinguishable parts. The internal ear functions both as the organ of hearing and. Ear ossicles communicate the ear drum with internal ear through fenestra ovalis oval window.
Gently flushing the ear with water, as for example in a shower, goes a long way towards clearing the ear of wax, or softening it for a physician or nurse to remove. Anatomy and physiology of ear, nose and throat pharmahelp. The external ear collects sound pressure waves and funnels them toward the tympanic membrane. Jan 18, 2018 january 18, 2018 gaurab karki anatomy and physiology, class 12, zoology 0 sound wave are pressure wave that enter the external ear. Anatomy and physiology of the external, middle and inner ear. Anatomy and physiology of the ear jama otolaryngology.
204 477 1043 1244 1355 706 1122 328 1197 1020 654 1001 938 975 1552 519 1533 459 375 1247 876 331 20 1273 323 1299 90 491 912 919 1430 1128 889 591 612 253