Skull and intro - Topic 1 Flashcards
What is the movement where the angle between the bones is decreased (bending)?
Flexion
What is the movement where the angle between the bones is increased (straightening)?
Extension
Is chin on chest an example of head flexion or extension?
Head Flexion
Abduction
movement away from the midline
Adduction
movement of a body part towards the midline.
Rotation towards the midline
medial rotation
Rotation away from the midline
Lateral rotation
Name the 2 components of the skeleton?
- The Axial Skeleton
* The Appendicular Skeleton
The axial skeleton includes which bones?
Includes the bones of the:
- Skull
- Vertebral column
- Ribcage
The appendicular skeleton includes which bones?
Bones of the…
- Limbs
- Pelvis
- shoulder girdle
How many bones comprise the cranium?
8
How many bones comprise the facial skeleton?
14
List the bones of the Cranium
(1) Frontal Bone
(2) Parietal Bones
(2) Temporal Bones
(1) Occipital Bone
(1) Sphenoid bone
(1) Ethmoid Bone
List the bones of the Facial Skeleton:
(1) Vomer
(2) Inferior Nasal Conchae
(1) Mandible
(2) Maxillae
(2) Palatine bones
(2) Zygomatic
(2) Lacrimal bones
- Virgil Can Not (inferior! backward!) Make My Pet Zebra Laught
Only 2 facial bones are not paired. Which ones?
- Mandible
* Vomer
Which bone makes up most of the base of the skull and is best see from an inferior view of the skull.
Occipital bone
Paired bone which articulates with the Occipital bone posteriorly, the Frontal bone anteriorly and laterally with the temporal bone. It also articulates anteriolateraly with the sphenoid bone along a small border.
Parietal bone
This bone houses the hearing apperatus
Temporal bone
The styloid process forms part of this bone
Temporal bone
The zygomatic arch is part of this bone
Temporal bone
The large single bone that makes up the forhead
The frontal bone
The butterfly shaped skull bone
Sphenoid bone
The zygomatic arch is also known as the _____ _____.
Cheek bone
The zygomatic process joins up with the zygomatic bone to form the ______ ____.
Zygomatic arch (cheek bone)
The long, flat bones that make up a large part of the anterior hard palate are processes of which bone?
Maxillary bone.
Flat bone processes that make up the anterior hard palate?
Palatine Processes (of the maxillary bones)
The bones making up the posterior hard palate.
Palatine bones
Paired bones in the upper part of the nasal cavity. Articulate with the maxillae laterally and the frontal bone superiorly.
Nasal bones
Paired bones inside the nasal cavity. That form part of a series of 3 spaces. Bones for the inferior and medial spaces are parts of other bones, but the inferior ones are the _____ ____ ____.
Inferior Nasal Conchae
Tiny bone at the base of the nasal cavity. Not paired.
Vomer
Lower jaw bone
Mandible
Large butterfly shaped bones. Comprise the posterior part of the orbital cavities.
Sphenoid bone.
What are paranasal sinuses?
A series of cavities inside the thick bones of the skull, located around the nasal cavity.
How are paranasal sinuses named?
For the bone they are located in.
What two important functions do the paranasal sinuses have?
- Decrease the weight of the skull.
2. Contribute to voice resonance.