The Nose Anatomy

Question 1

How many olfactory receptors are found in the canine nose?

Answer 1

Around 250 million.

Question 2

What is the function of the olfactory bulb?

Answer 2

Interprets odours, these are then transported to the frontal cortex for recognition.

Question 3

What do turbinate bones do?

Answer 3

Warms the air prior to inhalation.

Aids the detection of odours.

Question 4

Briefly explain the function of the soft palate.

Answer 4

Closes off the airway and nasal passages during swallowing. It also protects the nasal passages during sneezing.

Question 5

What are the nasal chambers covered in?

Answer 5

Mucous membranes

Question 6

Finish the Sentence..

Mucous membranes house small receptors to detect smell….

Answer 6

these are then sent to the brain for interpretation.

Question 7

What are external nares surrounded by?

Answer 7

Rhinarium

Question 8

Nasal chambers are separated by?

Answer 8

Cartilaginous septum, filled with fine scrolls of bone (ethmoturbinates).

Question 9

The whole nasal cavity is covered in?

Answer 9

Ciliated mucous epithelium.