Smell

Question 1

Anatomy of the nose:

HINT: needs vary needs cost operation

Answer 1

Nasal vestibule: opening of the nose

Nasal concha: bones of the nose that provide structure

Olfactory bulb: sits on top of olfactory region towards the top of nasal cavity

Question 2

Anatomy of the olfactory region/OSN’s

oh regina oh susie oh gerorge mary

Answer 2

Olfactory receptors
Olfactory sensory neurons(OSN’s)
Olfactory glomeruli
Mitral cells

Question 3

Taste/smell interaction

Answer 3

Odorants can enter through the nasal vestibule and bind to receptors in the olfactory region
Odorants are also released as we eat, chew, swallow food. These odorants bind to the same receptors in the olfactory region.

Question 4

Smell disorders and smells in animals

hint: happy and pretty

Answer 4

Hyposmia: reduced ability to smell things
Anosmia: inability to taste things
Phantosmia: olfactory hallucinations

Question 5

Olfactory receptors

Answer 5

The receptors are neurons that send messages to the olfactory bulb in the brain

Question 6

Olfactory sensory neurons(OSN’s)

Answer 6

detect olfaction

Question 7

Olfactory glomeruli

Answer 7

collection of nerve endings from OSN’s

Question 8

Mitral cells

Answer 8

pseudounipolar neurons whose axons make up the olfactory tract