DHY 117 Paranasal Sinuses

Define meatus.

space between each conchae

Define ostium.

small opening in bone

Define septum.

bony wall divides sinuses

Define palpation.

feeling internal structures with fingers

What are 3 functions of the paranasal sinuses?

lighten skull, give voice resonance, provide mucous

All sinuses are _____, have ____ inside, are full of ____, and drain out of the _____ cavity.

hollow, mucous, air, nasal

Give red.

frontal sinus

Give magenta.

ethmoid sinus

Give blue.

sphenoid sinus

Give green.

maxillary sinus

What sinuses can be palpated?

frontal, maxillary

What is the largest sinus?

maxillary

Where do all sinuses drain?

nasal cavity

What is the term for damage during maxillary molar extraction?

oroantral communication

What sinus is superior to nasal cavity?

frontal

What sinuses can you not palpate?

sphenoid, ethmoid

What sinus is numerous small compartments between eyes and bridge of nose?

ethmoid

Which sinuses are paired?

frontal, sphenoid

What is termed the “forgotten sinus”?

sphenoid

The air filled cavities are lined with _____ _______.

respiratory epithelium

What cells produce mucus?

goblet

The epithelium contains ____, tiny hair like structures that move contaminants in nose.

cilia

What is sinusitis?

inflammatory response in tissue edema

What is this showing?

sinusitis

Where would pain be in frontal sinus?

above eyes

Where would pain be in sphenoid sinus?

deep within head

Where would pain be in ethmoid sinus?

bridge of nose

Where would pain be in maxillary sinus?

cheeks and max. molars