Advertisements
Advertisements
Question
The figure below is the sectional view of a part of the skull showing a sense organ:
What are the parts labeled 'm', 'i' and 's'? What do these parts constitute collectively?
Advertisements
Solution
m - malleus, i - incus and s - stapes respectively. These are collectively called as ear ossicles.
RELATED QUESTIONS
Write short notes on the following: Cochlea
(i) Draw a well labelled diagram of the membranous labyrinth found in the inner ear.
(ii) Based on the diagram drawn above in (i) give a suitable term for each of the following descriptions :
1. The sensory cells that helps in hearing.
2. The part that is responsible for static balance of the body.
3. The membrane covered opening that connects the middle ear to the inner ear.
4. The fluid present in the middle chamber of cochlea.
5. The structure that maintains dynamic equilibrium of the body.
Give technical terms for The nerve which transmits impulses from the ear to the brain
Where is the Semicircular canals located? Briefly mention its function.
The diagram alongside represents the structure found in the inner ear. Study the same and then answer the questions that follow:
(i) Name the parts labelled A, B, C and D.
(ii) Name the parts of the ear responsible for transmitting impulses to the brain.
(iii) Name the part labelled above which is responsible for:
1. Static equilibrium. 2. Dynamic equilibrium. 3. Hearing
(iv) Name the audio receptor cells which pick up vibrations.
(v) Name the fluid present in the inner ear.
The figure below is the sectional view of a part of the skull showing a sense organ:
What do you call the part shown in the form of a spiral? What is its function?
Name the three ossicles of the middle ear.
Describe the structure and function of the human ear?
Vibrating particles travel all the way from the vibrating objects to the ear.
The part of the inner ear which is responsible for hearing is ______.
