Sensory System - Smell Flashcards
1
Q
What is the receptor for smell?
A
A GPCR
2
Q
How is smell transuced?
A
- odorant binds to specific receptor
- activates G protein
- activates Adenylate cyclase
- cAMP opens cation channels
- depolarisation of olfactory sensory neurons
3
Q
Glomeruli receive input from
A
1 type of olfactory receptor
4
Q
What is anosmia?
A
Inability to detect qualitative olfactory sensation
5
Q
What is hyposmia?
A
Deacreased sensitivity to odours
6
Q
What is hyperosmia?
A
Increased sensitivity to odorants
7
Q
What is dyosmia?
A
Distortion in odour perception
