ear
Fluid found in the cochlear duct
endolymph
Layer responsible for preventing total internal reflection
Choroid
How many receptors are there for bitter?
30
What type of ions are involved in the transduction process?
Na+ Ca2+
What is the name of gland secreting wax in the outer ear?
cerenemious gland
What type of photoreceptor is responsible for scotopic vision?
Rodes
What is the NT used in Umami and how many receptors exist
Glutamate
1
What type of neurons are found in the nose?
Bipolar
Stapes develop from .......(germ layers )
Mesoderm
To trear hyperopia, what type of lens is used?
convex
Ratio of supporting cells: taste cells
1:1
What percent of genes are responsible for olfaction
3%
At the place where high-frequency sound waves are transduced, what are the features of the hair cells present?
N.B: talk about their separation and their stiffness.
narrow, stiff
List the most and the least places for the existence of rods and cones
Rods: max-preipheral min:fovea and optic disk
vice versa
Sour receptor is similar to what receptor in family
Capsacin
Relation between taste and smell
independent
In human ear, the hair cells are arranged "doubled-triplets-quadra-penta"
Talk about their arrangement (tall and short)
Example: if they are penta, the arrangement may be tall, Tall, short, Tall, short.
SST
List the pathway of light reactions in the eye
Campbell ch.50
A taste bud can distinguish how many tastants?
5
What distinguish olfaction in the transduction regarding other sensation mechanisms?
2points
The only neuron, the other are epithelial cells
A.p Graded