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Question
while there are 8 cranial bones total, two of the bones occur in pairs (see the bones with a 2 next to them below). below are the names of the cranial bones:- frontal- parietal (2)- occipital- temporal (2)- sphenoid- ethmoidbefore moving on, come up with a mnemonic device to remember the 6 different cranial bone types.using the pictures below and the following descriptions attempt to identify each cranial bone:| bone | description | # on the picture || ---- | ---- | ---- || frontal bone | anterior wall of the cranium | || parietal bones | superior and lateral walls of the cranium | || occipital bone | posterior and inferior wall of the cranium | || temporal bones | inferior and lateral walls of the cranium | || sphenoid bone | butterfly shaped bone found in the middle of the cranium; visible in the temples and the back of the eye socket (also called the orbit) | || ethmoid bone | lies between the sphenoid bone and bones of the nose; deepest bone of the skull; forms part of the nasal cavity and the orbits. | |
- Mnemonic: Create a phrase using the first letter (or key sound) of each cranial bone type: Frontal, Parietal, Occipital, Temporal, Sphenoid, Ethmoid. A common example is "Fred PlayedOn The Swing Everyday".
- Bone Identification: Match each bone's anatomical description to the labeled skull diagrams:
- Frontal Bone: Forms the forehead (anterior cranium), matching label 3.
- Parietal Bones: Form the top/side walls of the cranium, matching label 2.
- Occipital Bone: Forms the back/lower rear of the cranium, matching label 6.
- Temporal Bones: Form the lower side walls (near the temples/jaw), matching label 1.
- Sphenoid Bone: Butterfly-shaped bone in the middle of the cranium, visible in the eye sockets, matching label 4.
- Ethmoid Bone: Deep bone between the sphenoid and nasal bones, matching label 5.
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Mnemonic Device Example:
"Fred Played On The Swing Everyday" (for Frontal, Parietal, Occipital, Temporal, Sphenoid, Ethmoid)
Skull Bone Label Matching:
| Bone | # on the Picture |
|---|---|
| Parietal Bones | 2 |
| Occipital Bone | 6 |
| Temporal Bones | 1 |
| Sphenoid Bone | 4 |
| Ethmoid Bone | 5 |