Anatomy of the Nose Flashcards
What are the bony projections on the lateral wall of the nasal cavity?
Conchae
What is the purpose of conchae?
Slows airflow by causing turbulence of airflow and increases surface area that air passes over
Which bones form the roof of the nasal cavity?
Frontal, nasal, ethmoid and sphenoid bones
Which cranial nerve carries general sensation from the nasal cavity?
Trigeminal nerve
What is a nasal polyp?
Benign swelling of nasal mucosa, usually bilateral. Present with watery rhinorrhoea and post-nasal drip.
What is Rhinitis?
Inflammation of the nasal mucosa (in common cold)
What is the name for a nose bleed?
Epistaxis
What is the most common source of bleeding in epistaxis?
Kiesselbach’s plexus
What is the arterial supply to the nasal cavity?
Branches of the opthalmic and mandibular arteries
What is the venous drainage from the nasal cavity?
Pterygoid venous plexus
Name a specific symptom for acute sinusitis
Facial pain on leaning forward
Name a bacteria that can cause acute sinusitis
Streptococcus pneumoniae
