Term
What are the functions of the nose? |
|
Definition
- Olfaction - Prepares air for entry into respiratory tract |
|
|
Term
Name the two parts of the nose |
|
Definition
1. External nose 2. Internal nose |
|
|
Term
What is the external nose made up of? |
|
Definition
Two nostrils and the skeleton |
|
|
Term
What makes up the skeleton of the external nose? |
|
Definition
- The nasal bones - Two sets of hyaline cartilage |
|
|
Term
Name the 2 sets of cartilages |
|
Definition
1. Septal cartilage 2. Alar cartilages |
|
|
Term
What is the function of the septal cartilage? |
|
Definition
Forms the interior part of the septum |
|
|
Term
What are the lateral plates? |
|
Definition
Sections of the septal cartilage that attach to the nasal bones on the outside of the nose |
|
|
Term
What bone does the septal cartilage with articulate, posteriorly? |
|
Definition
The bony nasal septum (ethmoid) |
|
|
Term
(T/F) The alar cartilages are distal to the septal cartilages |
|
Definition
|
|
Term
|
Definition
|
|
Term
What type of tissuse forms the rest of the structure of the nostril? |
|
Definition
|
|
Term
What bones make up the internal nose? |
|
Definition
1. Ethmoid 2. Vomer 3. Sphenoid 4. Palantine |
|
|
Term
What structures does the internal nose connect? |
|
Definition
External nose to the nasal choanae |
|
|
Term
What contributes to the septum within the inner nose? |
|
Definition
1. Vomer 2. Vertical plate of ethmoid bone - bony nasal septum 3. Septal cartilage |
|
|
Term
What forms the roof of the nose? The floor? |
|
Definition
1. Cribiform plate 2. Underside of the sphenoid |
|
|
Term
What features are found on the lateral walls of the inner nose? |
|
Definition
1. Chonchae (3) 2. Meatses (3) 3. Spheno-ethmoidal Recess |
|
|
Term
Name the 3 conchae, and which bone each is part of |
|
Definition
1. Superior - ethmoid 2. Middle - ethmoid 3. Inferior - each is an individual bone |
|
|
Term
Where is the spheno-ethmoidal recess found? What type of tissue is found here? |
|
Definition
Superior to the superior concha; olfactory mucosa on the roof |
|
|
Term
Where are the meatuses found? Name them. |
|
Definition
On the underside/behind of each concha; the superior, middle, and inferior meatuses |
|
|
Term
Where do the air sinuses drain into? |
|
Definition
All the meatuses and the recess |
|
|
Term
Where do the lacrimal ducts drain into? |
|
Definition
|
|
Term
What are paranasal air sinuses? |
|
Definition
Pockets of air outside of the nasal cavity within bones |
|
|
Term
Name the paranasal sinuses in the skull |
|
Definition
1. Frontal sinuses 2. Maxillary sinus 3. Ethmoid sinuses 4. Sphenoid sinuses |
|
|
Term
(T/F) These air sinuses have ducts that drain into the nasal cavity |
|
Definition
|
|
Term
Describe the maxillary sinus |
|
Definition
Large space in the maxilla, making it essentially a hollow bone |
|
|
Term
Where do the ducts of the maxillary sinus drain? |
|
Definition
|
|
Term
what is the ostium? Where is it located? |
|
Definition
The opening of the maxillary sinus into its duct; high on the medial wall |
|
|
Term
Describe the ethmoidal sinuses |
|
Definition
Series of small air-lined pockets in the lateral wall of the ethmoid bone |
|
|
Term
(T/F) These sinuses are easy to see from the medial wall of the orbit |
|
Definition
|
|
Term
Where does the anterior group of sinuses drain into? |
|
Definition
|
|
Term
Where does the posterior group of sinuses drain into? |
|
Definition
|
|
Term
Describe the frontal sinuses |
|
Definition
Large spaces found above the margin of the orbit |
|
|
Term
Where do the ducts of the frontal sinuses drain? |
|
Definition
|
|
Term
How many sphenoidal sinuses are there? Where are they found? |
|
Definition
2; body of the sphenoid bone |
|
|
Term
|
Definition
|
|