Term
| What are the components of the nasal cavity? |
|
Definition
Roof - ethmoid bone
Lateral walls - ethmoid, palatine, inferior nasal conchae
Floor - maxillae and palatine bone. |
|
|
Term
| Material comprising nasal cavity? |
|
Definition
| Hyaline cartilage and bone. |
|
|
Term
Paranasal Sinuses are ________
(also name the five skull bones where they're found) |
|
Definition
| Mucosa-lined, air-filled sacs found in five skull bones: frontal, sphenoid, ethmoid, and maxillary (fifth?)
note: Ethmoid and sphenoid sinuses between Maxillary and Frontals. Sphenoid deep to the ethmoid, lateral to the nose bridge.
[image] |
|
|
Term
| What are the purposes/functions of the paranasal sinuses? |
|
Definition
1. Air enters them from the nasal cavity.
2. Mucus drains from the sinuses to the n. cavity.
3. Sinuses lighten the skills and enhance vocal resonance. |
|
|
Term
| What bones make up the pectoral (shoulder) girdles? |
|
Definition
| Scapulae and the clavicles. |
|
|
Term
| What does the pectoral girdle do? |
|
Definition
1. Attaches the upper limbs to the axial skeleton.
2. Provides attachment points for muscles moving the upper limbs. |
|
|
Term
|
Definition
| Doubly curved long bones lying across the superior thorax, has acromial (lateral) and sternal (medial) ends. |
|
|
Term
| What do the clavicles do? |
|
Definition
| Provides attachment points for muscles, holds scapulae and arms out away from the body. |
|
|
Term
| What and where are the scapulae? |
|
Definition
Triangular flat bones dorsal to rib cage between ribs 2 and 7.
*Remember a scapula has 3 borders and 3 angles. |
|
|
Term
| What are the scapulae's major landmarks? |
|
Definition
| 1. Supraspinous fossa.
2. Infraspinous fossa.
3. Spine.
4. Acromion. (Projects posterior)
5. Coracoid process. (Note: projects anterior.)
[image] |
|
|
Term
| What is the arm, and what are the articulations? |
|
Definition
It's solely the upper arm for anatomy, and the only bone part of it is the humerus.
Proximal articulation to the scapula and distal articulation at the radius and especially the ulna. |
|
|
