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The Ear & Hearing By Michael J. Harman
External auditory meatus
Tympanic membrane Eardrum
Auditory (Eustacian) tube
Osseous labyrinth Outer white layer (osseous means bony)
Membranous labyrinth Inner gray layer
Oval window Behind the stapes
Round window Oval Window
Organ of Corti Contains receptor hair cells
Ampulla Swelling at one end of all 3 semicircular canals
Saccule Expanded chamber that communicates with the cochlea
Utricle Expanded chamber that communicates with the saccule from the semicircular canals
Vestibulocochlear (Auditory) nerve
EAR. Outer Ear Function Pinna External auditory meatus (canal) – Ceruminous glands Tympanic membrane – Eardrum.
1. Auricle/Pinnae – funnel-like structure that helps collect sound waves 2. External Acoustic Meatus (EAM)/external auditory canal – s – shaped tube that.
THE EAR. External Ear Pinna External auditory meatus.
The Ear Hearing and Balance. The Ear: Hearing and Balance The three parts of the ear are the inner, outer, and middle ear The outer and middle ear are.
Sense of Hearing External Ear Auricle (pinna) - outer ear External Auditory Meatus.
Special Senses- The Ear Module 13. The Ear at a Glance Function of the Ear –Contains sensory receptors for hearing and equilibrium (balance) Structures.
1. Outer Ear- main purpose is to funnel sound waves to inner ear. 1a. Auricle -gathers sound waves 1b. External acoustic meatus- transmits sound waves.
Sense of Hearing and Equilibrium. 3 Parts Sense of Hearing o Made up of: Outer ear Middle ear Inner ear Ear also functions as sense of equilibrium.
Sense of Hearing and Equilibrium Coach O’Rourke Brazos HS.
Unit 5: Senses Structure of the Ear. Major functions of the ear 1.Hearing 2. Balance/Equilibrium *Sound waves and fluid movement act on receptors called.
Hearing and Equilibrium. Outer Ear Auricle– “ear” shell- shaped, surrounds external opening to auditory canal Auricle– “ear” shell- shaped, surrounds.
Special Sensory Reception Equilibrium (balance) and Hearing.
15-1 Lecture 16 Sense Organs II: The Ear Basic Parts of the Ear External ear: Hearing; terminates at eardrum Middle ear: Hearing; contains auditory.
Hearing What’s that you say? Anatomy is your favorite class? Not surprising.
Essentials of Human Anatomy & Physiology Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Slides 8.20 – 8.26 Seventh Edition Elaine.
1 Hole’s Human Anatomy and Physiology Twelfth Edition Shier Butler Lewis Chapter 12 Nervous System III: Senses Copyright © The McGraw-Hill Companies,
SPECIAL SENSES 12.4 HEARING. SPECIAL SENSES: HEARING Structures of the Ear –Outer Ear Auricle: visible part of the ear –Collects sound waves and directs.
Anatomy & Physiology The Ear A. Structure of the Ear 1.Outer ear 2.Middle ear 3.Inner ear.
The Ear The Physiology & Function of the Ear. Anatomy of the Ear.
The Ear Parts, Functions and Hearing Process MMHS Advanced Biomedical Science.
March 25 th, 2010 Objective: Review the workings of the nose, tongue, and ear. –Coloring –Notes Do Now – get markers and start coloring!
PowerPoint ® Lecture Slide Presentation by Patty Bostwick-Taylor, Florence-Darlington Technical College Copyright © 2009 Pearson Education, Inc., publishing.
1 ANATOMY & PHYSIOLOGY I BIO 211: Dr. Lawrence G. Altman Some illustrations are courtesy of McGraw-Hill. The EAR Part 1 of 2 SPECIAL.
S ENSORY O RGANS (V ISION, H EARING, AND EQUILIBRIUM ) Ears.
Anatomy of the Ear Miss Martini’s 7 th Grade Science Class.
SS3 LESSON NOTE FOR WK4 ORGAN OF HEARING AND BALANCE.
CSD 2230 HUMAN COMMUNICATION DISORDERS Topic 3 Introductory Anatomy and Physiology of the Speech, Voice and Auditory System The Auditory System.
SPECIAL SENSES: HEARING & EQUILIBRIUM MARTINI, FUNDAMENTALS OF ANATOMY & PHYSIOLOGY, 9 TH EDITION, CHAPTER # 17 Exercise # 22.
Topic Sense of hearing Sajida Batool M.sc(III) Department of Biological science KIU.
The Ear 1. External Ear Auricle or pinnae surrounds the ear Helix Lobule Anatomy of the Ear 2.
CHAPTER 49 SENSORY AND MOTOR SYSTEMS Copyright © 2002 Pearson Education, Inc., publishing as Benjamin Cummings Section D: Hearing And Equilibrium 1. The.
+ Ear Parts and Functions. + The EAR Primary Function is Hearing & Equilibrium Hair Cells: Mechanoreceptors Divided into 3 regions 1. Outer Ear 2. Middle.
1 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Human Biology Sylvia S. Mader Michael Windelspecht Chapter.
HEARING AND EQUILIBRIUM. PHYSIOLOGY OF HEARING 1. Outer ear (auricle): collects, directs sound into the external auditory canal. Ear wax and hairs keep.
Special Senses Lecture Hearing. Our ears actually serve two functions: 1)Allow us to hear 2)Maintain balance and equilibrium Hearing and balance work.
Chapter 15 B The Ear. The External Ear Auricle Surrounds entrance to external acoustic meatus Protects opening of canal Provides directional.
Presented by Kami Dykes. Receptors and Somatic Senses 1.___ are receptors that are sensitve to changes in the concentrations of chemicals. 2.Whenever.
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Human Anatomy & Physiology, Sixth Edition Elaine N. Marieb PowerPoint ® Lecture.
Anatomy and physiology of the ear. External ear Pinna (auricle) & External auditory meatus Pinna (auricle) & External auditory meatus Function: Localization.
By: Kaeleigh G, Julie B, Sami S, and Kyle S. Parts of the Ear External (Outer) Ear: The auricle or pinna channels the sound and collects auditory.
Special Senses Hearing. Ear is a very sensitive structure. – The sensory receptors convert vibrations 1,000 times faster than the photoreceptors of the.
Sense of Hearing Ear -important for hearing and equilibrium -made of the outer, inner, and middle ear.
When a sound is made, the air around the sound vibrates. Hearing starts when some of the sound waves go into the ear.
Special senses (continued). Receptors are classified into 3 types Exteroceptors – located near the body surface, are specialized to perceive stimuli from.
Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Chapter 15 The Special Senses The Ear.
Ear: Sound & Balance Sensory System. 3 Parts: Outer – Middle - Inner.
ELAINE N. MARIEB EIGHTH EDITION 8 Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings PowerPoint ® Lecture Slide Presentation by.
Lesson 7.2 The Ear Chapter 7: The Sensory Systems.
Hearing. The Ear The ear is designed to capture disturbances in the air in the form of moving waves of energy known as sound waves The ear consists of.
SENSES Sensory Receptors - detect environmental changes and trigger nerve impulses - somatic senses (touch, pressure, temp, pain) - special senses (smell,
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