Sensory Systems Flashcards
1
Q
types of senses
A
- mechanoreception
- electroreception
- vision
- chemoreception
2
Q
two systems of mechanoreception
A
- lateral line
- inner ear
3
Q
water is an excellent conductor of _____________
A
vibrations
4
Q
how do the systems of mechanoreception detect vibrations?
A
sensory hair cells
5
Q
lateral line systems
A
- canals
- neuromast with hair cells & cupula
6
Q
canals
A
openings between scales
7
Q
movement of hair cells & capula
A
creates an action potential
8
Q
inner ear functions
A
- equilibrium
- sound detection
9
Q
inner ear: equilibrium
A
- pars superior
- pitch, yaw, roll, acceleration
10
Q
pars superior
A
- upper inner ear
- 3 semi-circular canals
11
Q
inner ear: sound detection
A
pars inferior
12
Q
pars inferior
A
- lower inner ear
- sacculus & lagena with otoliths
13
Q
use of otoliths
A
useful for aging fish
14
Q
Weberian Apparatus
A
- 60% of freshwater species
- derived from first verts
- connects gas bladder to inner ear
15
Q
sound production from the Weberian apparatus
A
fish may produce sound using the bones & muscles of the Weberian apparatus against the gas bladder