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28 Cards in this Set
- Front
- Back
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What are the seven bones of the eye orbit? |
Frontal, Zygomatic, Lacrimal, Palatine, Sphenoid, Ethmoid, and Maxilla |
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What does the fetal skull begin with and why? |
Fibrous membranes (anterior and posterior fontanel) rather than sutures for proper passage through the birth canal |
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What are the paranasal sinuses? |
Frontal sinus, ethmoid sinus, sphenoid sinus, and maxillary sinus |
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What is the function of the sinuses? |
To moisten air and make the skull lighter in bones that do not need to be thick |
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What does the pulp cavity of the tooth contain? |
All blood vessels and nerves |
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What is the function of the periodontal ligament? |
Holds the tooth into the socket |
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What is the function of cementum and where is it located? |
To hold the teeth into the jaw, and between the periodontal membrane and the root |
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Name some differences between the child and adult mouth |
Children have less teeth and no pre-molars |
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What is the function of the cornu and why is the hyoid unique? |
The cornu serves for muscle attachment, and the hyoid does not form a joint with any other bone |
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How many cervical vertebrae are there and what makes them unique? |
7, and they have a transverse foramen and a bifid spinous process |
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What is the name and the function of C1, and what makes it unique? |
The atlas, which holds the head, and it has facets to hold the skull but no spinous process or body |
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What is the name and function of C2, and what makes it unique? |
The axis, which rotates around the atlas, and it has dens, a transverse foramen, and a bifid spinous process |
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How many thoracic vertebrae are there and what makes them unique? |
12, and they have facets for the ribs known as costal facets, lack a bifid spinous process and transverse foramen |
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How many lumbar vertebrae are there and what makes them unique? |
5, no unique features |
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How many sacrum vertebrae are there and what makes them unique? |
5 fused elements, and it has an anterior sacral foramina for spinal nerves and a posterior sacral foramina |
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What occurs at the auricular surface? |
The sacrum touches the pelvis |
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What makes the coccyx unique? |
4-5 fused elements, and it looks pebble like on the posterior end |
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What is the vertebra prominens? |
The bottom of the neck (C7) covered by skin- it is a landmark |
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What are the basic parts of the tooth? |
Crown, root, pulp, cementum |
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What are the types of teeth? |
Medial and lateral incisors, canines, premolars, and molars |
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What are the 4 sutures and what bones form each? |
Coronal suture- frontal and parietal Lambdoidal suture- parietal and occipital Sagittal suture- R & L parietal Squamosal suture- Parietal & Temporal |
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What are the vertebral bones? |
Cervical, thoracic, lumbar, sacral, coccygeal |
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What are the vertebral curves? |
Cervical, thoracic, lumbar, pelvic |
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What curviture do fetal skeletons begin with? |
Concave |
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What is the first curviture & how is it developed? |
Cervical curviture, which is developed from holding the head up |
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What is the second curviture and how is it developed? |
Lumbar, which is developed from sitting up |
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What are the primary curvitures? |
Thoracic and pelvic |
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What are the secondary curvitures? |
Cervical and lumbar, which are both developed |
