Download Ear

Chapter-08
Human Physiology:
Co-ordination and
Control.
Ear
Learning output
After completing this lesson students should be able to…
describe structure of the different parts of ear.
tell the hearing mechanism
describe the balancing mechanism.
External
বহ িঃকর্ণ
External
ear
Middle
মধ্যকর্ণ
Internal
অন্তিঃকর্ণ
External
ear
External ear
Pinna
Auditory
meatus
Tympanic
membrane
Middle ear
Fenestra ovalis
Eustachian tube
Stapes
Incus
Malleus
Fenestra rotunda
Tympanic membrane
Internal ear
Semicircular canals
Utriculu s
Ampulla
Vestibulo-cochlear
nerve
Succulus
Cochlea
pinna
malleus
Scala
vestibuli
Scala tympani
Fenestra
ovalis
incus
cochlea
Auditory meatus
Sound
waves
Tympanic membrane
stapes
Fenfstra
ovalis
Organ of
corti
Maintaining of body equilibrium
Otolithic
membrane
Otolith
Sensory cell
Movement of
otolith
Sensory nerve
Vertical condition
Slanting condition
Group-A
Group-B
Write down the
structure of
middle ear.
Write down the
structure of inner
ear.
Kamal looked at the aero plane after hearing the violent
sound of aero plane. The he was about to fall but in
the next moment he could control himself. In this event
two special organs co-ordinated the works.
a. What is sense organ?
b. What is meant by binocular vision?
c. Describe the process of function of the mentioned organ
which function with light.
d. Analyze the last sentence of the stem.
HOME
WORK
Draw a figure of section a human ear.