Ch. 16 Nasal Cavity Flashcards
(74 cards)
Tip of the nose
apex
Base of nose where it attaches to the face
root
Superior aspect of the nose covered by skin.
Dorsum
Upper part of the dorsal is termed the ___
bridge of the nose
inferior aspect of the external nose contains two openings, the ___ or ___
nares or nostrils
Nose consists of skin termed the ___.
ala
In the upper half of the external nose, the composition is ___ and ___ covering the ____ bone.
skin and muscle (procures) covering the nasal bone.
In the lower half of the external nose, the composition is ___ and ___
skin and muscle (nasals)
Cartilages of the external nose
Septal cartilage
Lateral expansion of the septal cartilage
Greater alar cartilage
Several smaller cartilages
The greater alar cartilage is so bent that it forms the _____
medial and lateral walls of the nares.
Space just inside the nares bounded medially and laterally by the greater alar cartilage
Vestibule
The vestibule is bounded medially and laterally by the ________
greater alar cartilage
Skin located inside the nares contains ___ and ___
hair and sebaceous glands
Curved elevation limiting the vestibule superiorly
limen nasi
A ridge formed by the lateral expansion of septal cartilage
limen nasi
Skin of the vestibule gives way at the _______ to the mucous membrane of the ______
limen nasi; nasal cavity
The part of the nasal cavity just above the limen nasi
atrium
Space between the cranial cavity superiorly and the oral cavity inferiorly
nasal cavity
Nasal cavity is divided by a median ____ into two symmetrical chambers : ___
nasal septum, right nasal cavity and left nasal cavity
Nasal cavity opens anteriorly via the ___
nares
The nasal cavity is open to the _____ posteriorly via the ___
nasopharynx; choanae.
The nasal cavity opens to the nasopharynx posteriorly via the
choanae
The choanae is a bony aperature formed posteriorly by the following:
Vomer
Palatine bone
Medial pterygoid plate of sphenoid
Body of sphenoid
The Coach and VP of the Medical Body
Bone forming the choanae medially
vomer