Nasal Cavity: Accessory Stuctures Flashcards Preview

Gross Anatomy II Exam I > Nasal Cavity: Accessory Stuctures > Flashcards

Flashcards in Nasal Cavity: Accessory Stuctures Deck (8)
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1

What is the special sensation nerve innervation for the nasal cavity?

Olfactory Nerve (CN I)

2

What is the general sensory innervation for the nasal cavity?

Branches of the Maxillary and Opthalmic branches of the Trigeminal Nerve (CN V)

3

What is the atuonomic innervation for the nasal cavity?

Both sympathetic and parasympathetic innervation come from the ptarygopalatine ganglion

4

At what rate do people over the age of 50 lose their olfactory sensation?

About 1% per year

5

What is Anosmia?

The lose of olfaction (sense of smell)

6

What vessels give the nasal cavity its primary blood supply?

1) Sphenopalatine branch of the maxilary artery
2) Anterior Ethmoidal branch of the ophthalmic artery

7

What is the most important blood vessel of the nasal cavity?

Sphenopalatine branch of the maxillary artery

8

Where does lymph from the nasal cavity drain into?

Deep cervical lymph nodes