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32 Cards in this Set
- Front
- Back
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The horizontal plate of the ______________ contributes to the roof of the orbital cavities and nasal cavities.
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frontal bone
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The ________________ forms the lower and back portion of the cranium.
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occipital bone
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The ________________ form most of the rounded roof of the cranium.
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parietal bones
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The bony septum of the nasal cavity is formed, in part by the perpendicular plate of the ___________________ articulated with the midline crest of the sphenoid bone.
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ethmoid bone
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The __________________ form the lateral base and sides of the cranium.
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temporal bone
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The ___________________ is located at the base of the skull between the ethmoid and occipital bones.
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sphenoid bone
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The cribriform plate of the ethmoid bone contributes to the roof of the _______ cavity and separates it from the cranial cavity.
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nasal
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The parietal and frontal bones are joined by the ___________ suture.
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coronal
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The vertical plate or squamous portion of the frontal bone forms the ___________.
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forehead
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The two scroll-like extensions of the ethmoid bone form the _______________________ and superior nasal concha.
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middle nasal concha
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The two parietal bones are joined together by the ___________ suture.
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sagittal
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The parietal and occipital bones are joined by the ______________ suture.
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lambdoid
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In the occipital bone, the demarcation between the brain and the spinal cord occurs at the ___________________.
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foramen magnum
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The parietal and temporal bones are joined by the _____________ suture.
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squamosal
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The mandible is joined to the temporal bones by the ____________________ joint.
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temporomandibular
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The organs of hearing and equilibrium are located in the _____________ portion of the temporal bones.
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petrous
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Which is not a sinus cavity? Frontal
Maxillary Nasal Sphenoid |
Nasal
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Identify the indicated cranial bones in the floor of the cranial cavity
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a. ethmoid bone
b. temporal bone c. parietal bone d. frontal bone e. sphenoid bone f. occipital bone |
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Identify the four sutures that go with the parietal bone
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What part of the temporal bone houses the organs of equilibrium and hearing?
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Petrous portion
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Name of the hole that allows sound to go into the auditory bones
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External auditory meatus/ear canal
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Name the only joint of the skull that can move.
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Temporalmandibularjoint
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Where is the sphenoid located?
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Base of skull and articulates with all the bones of the cranium
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What bone has two greater wings and two lesser wings?
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Sphenoid bone
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What houses the pituitary gland??
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Sella turcica (on sphenoid bone)
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Where do optic nerves and
ophthalmic arteries enter the sphenoid bone? |
Optic canals
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Identify the Styloid process, Mastoid Process, External auditory
meatus, Internal auditory meatus, and Petrous portion |
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Where is the Foramen
rotundum and what does it contain? |
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Sphenoid bone; contains the maxillary branch of the trigeminal nerve. |
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Where is the Foramen ovale and what does it contain?
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transmits the
Sphenoid bone; mandibular branch of the trigeminal nerve and meningeal arteries |
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How many bones total are their in the head?
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29
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Name the four sinuses
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Frontal
Maxillary Ethmoid Sphenoid |
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What are sinuses?
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Air filled spaces lined by mucoperiosteum
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