77 NASAL CAVITY: structures Flashcards
Identify 1 - 3
- Superior nasal concha
- Superior nasal meatus
- Middle nasal concha
Identify 4 - 6
- Middle nasal meatus
- Inferior nasal concha
- Inferior nasal meatus
Identify 7
- Choana
Piriform aperture—anterior opening is bounded by ____ and ___
the nasal bones and maxilla.
There are 3 large elevations, known as conchae, that protrude from ____ (which wall of nasal cavity?)
the lateral wall.
All of ___ and ___ drain into the lateral walls of the nasal cavity.
the paranasal sinuses and the nasolacrimal duct
The sphenopalatine foramen, located in the posterior portion of the lateral walls, connects ___ and ____
the nasal cavity to the pterygopalatine fossa.
Identify 2 -3
- Frontal sinus
- Sphenoidal sinus
Identify 4 - 5
- Nasal septum
- Choana
Identify 6 - 7
- Oral cavity
- Soft palate
Identify 8 - 9
- Vomer
- Septal cartilage
Superior relationships of nasal cavity
Frontal sinus, sphenoid sinus, anterior cranial fossa with frontal lobe of brain
Inferior relationships of nasal cavity
Palate, oral cavity
Medial relationships of nasal cavity
Other half of nasal cavity
Lateral relationships of nasal cavity
Maxillary sinus, ethmoid sinuses, orbit, and pterygopalatine fossa
What does superior border of nasal cavity contain?
Nasal, frontal, cribriform plate of ethmoid, body of sphenoid
What does inferior border of nasal cavity contain?
Palatine process of maxilla, horizontal plate of palatine
What does anterior border of nasal cavity contain?
External nose
What does posterior border of nasal cavity contain?
Choana
Bones of the Lateral Nasal Wall
→ identify 1
- Sphenopalatine foramen
Bones of the Lateral Nasal Wall
→ identify 2 - 4
- Superior concha of ethmoid
- Uncinate process
- Middle concha of ethmoid
Bones of the Lateral Nasal Wall
→ identify 5 - 6
- Lacrimal
- Maxilla
Bones of the Lateral Nasal Wall
→ identify 7 - 9
- Inferior concha
- Perpendicular plate of palatine
- Sphenoid
Bones of the Lateral Nasal Wall
The lateral wall of the nasal cavity is composed of a series of bones with 3 elevations protruding into the nasal cavity which are ___
the superior, middle, and inferior nasal concha.
Bones of the Lateral Nasal Wall
The lateral wall of the nasal cavity is composed of a series of bones which are __ (6)
- maxilla
- ethmoid (superior and middle conchae)
- palatine (perpendicular plate)
- sphenoid (medial pterygoid plate)
- inferior nasal concha
- lacrimal bone.
Concha of the Nasal Cavity
Identify 1
- Sphenoethmoid recess
Concha of the Nasal Cavity
Identify 2 - 4
- Superior nasal concha
- Superior nasal meatus
- Middle nasal concha
Concha of the Nasal Cavity
Identify 2 - 5
- Superior nasal concha
- Superior nasal meatus
- Middle nasal concha
- Middle nasal meatus
Concha of the Nasal Cavity
Identify 6 - 7
- Inferior nasal concha
- Inferior nasal meatus
Concha of the Nasal Cavity
Identify 8 - 9
- Ethmoidal bulla
- Hiatus semilunaris
Concha of the Nasal Cavity
Identify 10 - 11
- Opening of nasolacrimal duct
- Opening of maxillary sinus
Concha of the Nasal Cavity
Superior concha drains 2 regions which are ___
- Sphenoethmoidal recess
- Superior meatus
Concha of the Nasal Cavity
Superior concha drains 2 regions which are Sphenoethmoidal recess and Superior meatus
→ These 2 regions drain 2 structures which are ___, respectively.
- Sphenoidal sinus
- Posterior ethmoidal sinus
Concha of the Nasal Cavity
Middle concha drains 1 region which is
Middle meatus
Concha of the Nasal Cavity
Middle concha drains middle meatus which is in turn drained ___ (4 structures?)
- Anterior ethmoidal sinus
- Middle ethmoidal sinus
- Maxillary sinus
- Frontal sinus
Concha of the Nasal Cavity
Inferior concha drains 1 region which is __
Inferior meatus
Concha of the Nasal Cavity
Inferior concha drains inferior meatus which is in turned drained ____ (structure)
Nasolacrimal duct
