PIMA BIO130 Word Scramble
U S U Q S A O M
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| Question | Answer |
| Squamous | Thin, flaring upper part of bone |
| Jugular fossa | depression of the undersurface of the petrous portion; dilated beginning of the internal jugular vein lodged here |
| Temporal Bone | Form the lower sides of the cranium and part of the cranial floor; contain the middle and inner ear structures |
| Mastoid air cells | Mucosa-lined, air-filled spaces within the mastoid process |
| Parietal Bone | Prominent, bulging bones behind the frontal bone; forms the top sides of the cranial cavity |
| Zygomatic process | Projection that articulates with the zygomatic (or malar) bone |
| Mandibular fossa | Oval-shaped depression anterior to the external acoustic meatus; forms the socket for the condyle of the mandible |
| Styloid process | Slender spike of bone extending downward and forward from the undersurface of the bone anterior to the mastoid process; often broken off in a dry skull; several neck muscles and ligaments attach to the styloid process |
| Mastoid portion | Rough-surfaced lower part of the bone posterior to the external acoustic meatus |
| Stylomastoid foramen | Opening between the styloid and mastoid processes where the facial nerve emerges from the cranial cavity |
| Jugular foramen | Opening in the suture between the petrous portion and occipital bone; transmits the lateral sinus and ninth, tenth, and eleventh cranial nerves |
| Petrous portion | Wedge-shaped process that forms part of the center section of the cranial floor between the sphenoid and occipital bones; name derived from Greek word for stone because of the extreme hardness of this process; houses the middle and inner ear structures |
| Mastoid process | Protuberance just behind the ear |
| Internal acoustic meatus | Fairly large opening on the posterior surface of the petrous portion of the bone; transmits the eighth cranial nerve to the inner ear and the seventh cranial nerve on its way to the facial structures |
| External acoustic meatus (or canal) | Tube extending into the temporal bone from the external ear opening to the tympanic membrane |
| Carotid canal (or foramen) | Channel in the petrous portion; best seen from the undersurface of the skull; transmits the internal carotid artery |
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