L1

Question 1

Nerve supply of the external nose

Answer 1

Ophthalmic (infratrochlear and external nasal branches) and maxillary (infraorbital) divisions of the trigeminal nerve

Question 2

Arterial supply of the external nose

Answer 2

Dorsal nasal branch of the ophthalmic artery
Infraorbital branch of the maxillary artery
Branches of the facial artery

Question 3

So what are the receptors for smell sensation?

Answer 3

Olfactory mucosa

Question 4

So what is the consequence of damaging lots of olfactory mucosa?

Answer 4

Loss of smell sensation

Question 5

What is the condition medically called?

Answer 5

Anosmia