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