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32 Cards in this Set

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