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skull
| Question | Answer |
|---|---|
| the skull or bony skeleton of the head rest on | the superior end of the vertebral column |
| the skull(bony skeleton) is divided into two main sets of bone what are they | 8 cranial bones & 14 facial bones |
| the eight cranial bones of the cranium are divided into two parts | calvaria(skull cap) & floor |
| the calvaria is know as the | skull cap |
| the calvaria is divided into 4 parts | frontal,right & left parietal,occipital |
| the floor is divided into 4 parts | left & right temporal,sphenoid,ethmoid |
| the frontal bone is the most visible and contributes to | formation of the forehead & superior part of each orbit |
| the two parts of the frontal bone is | squamous or vertical portion & supraorbit groove(SOG) |
| what is the squamous/vertical portion | the glabella is the smooth raised prominence b/w the eyebrows just above the nose. |
| what is the supraorbit groove(sog) | the slightly depression above each eyebrow. |
| why is SOG an important landmark | b/c is corresponds to the floor of the anterior fossa of the cranial vault,which is also at the level of the orbit plate or the highest level of the facial bones mass. |
| what is superior rim of each orbit is the | supraorbit margin or SOM |
| what is the supraorbital notch(foramen) | is a small hole or opening within the SOM slightly medial to its midpoint |
| what pass through the supraorbital notch (foramen) | nerves & arteries |
| what is the ridge of bone beneath each eyebrow is termed | superciliary |
| what does the superciliary do | arches the glabella |
| what is on each side of the squamous portion of the frontal bones above the supraorbital grooves | a larger prominence termed the frontal tuberosity (eminence) |
Created by:
ambey
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