'Eardrum' diaporamas de présentation

Amphibians Review #1

Amphibians Review #1. Membrane that blinks to keep amphibian eyes moist on land and closes to cover the eye when swimming under water. Nictitating membrane. Deoxygenated blood returning to the heart from the body enters the _________________ from the sinus venosus. Right atrium.

1.01k views • 56 slides

Ectodermal Derivatives

Ectodermal Derivatives. Development of the Ear. Regions of the Ear (mammalian). external m iddle internal. Regions of the Ear (mammalian). The external Ear ? consist of the auricle or pinna and the external auditory canal which functions as a sound collecting funnel.

639 views • 49 slides

Impedance (Z) vs. Admittance (Y)

Resistance(R) Mass Reactance(Xm) Stiffness Reactance(Xs) Z = ( R 2 + X t 2 ) 1/2. Conductance(G) Mass Susceptance(Bm) Stiffness Susceptance(Bs) Y = (G 2 + B t 2 ) 1/2. Impedance (Z) vs. Admittance (Y). Mass and Stiffness Reactance. Resonant Freq . Mass and Stiffness Susceptance.

1.53k views • 22 slides

9.6 Hearing and Equilibrium

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9.6 Hearing and Equilibrium

367 views • 15 slides

The Senses

The Senses. Eye Anatomy. Cornea Protective layer of the eye Iris Colored part of the eye Contains muscles to open & close the pupil Pupil Size adjusts with light Small: more light Large: less light Lens Focuses light onto the retina Retina Back of the eye Contains rods & cones.

211 views • 10 slides

1.5 SENSE OF hearing

1.5 SENSE OF hearing. Sense of hearing detects sound . Its sensory organ is the ear which is divided into 3 main parts ; Outer Ear, Middle Ear & Inner Ear. Structure of human ear. Inner Ear : Semicircular canals, cochlea, auditory nerve.

1.03k views • 5 slides

EAR AND HEARING

EAR AND HEARING. 1. PINNA-outer part of ear 2. EAR CANAL 3. EARDRUM-vibrates when sound hits it 4-6. HAMMER< ANVIL AND STIRRUP-vibrate when eardrum does 7. COCHLEA-converts vibrations to nerve impulses with little hairs 8. AUDITORY NERVE-brings message to brain

176 views • 2 slides