Skull Bones/Joints Flashcards
How many bones are in the skull?
22 flattened and irregular bones
What are the two parts of the skull?
- cranium
- facial skeleton
What are the 6 major skull bones?
- frontal
- parietal
- occipital
- temporal
- sphenoid
- ethmoid
What bone articulates with the parietal, zygomatic, and nasal bones?
Frontal
What bone forms the superior of surface of the eye socket?
Frontal
What bones does the frontal bone articulate with?
parietal
zygomatic
nasal
This bone articulates with the frontal bone, temporal, and occipital
parietal
what are the paired skull bones?
parietal and temporal
This bone articulates with the temporal, parietal, and atlas of vertebral column
occipital
what bone has the opening for the spinal cord and medulla oblongata?
occipital
What are the 5 parts of the temporal bone?
- squamous
- 3 processes
- external auditory meatus
What are the three processes that are a part of the temporal bones?
- styloid process
- mastoid process
- zygomatic process
the external auditory meatus (EAM) is the entrance to what?
ear canal
What bone is a perpendicular plate?
ethmoid bone
What bone divides the nasal cavity into left and right sides?
ethmoid bone
What bone serves as an attachment point for muscles of the soft palate and muscle of the jaw?
sphenoid bone
What are the 5 fibrous joints/sutures of the skull?
- coronal
- sagittal
- lambdoidal
- squamous (2)
What suture is the major joint between the frontal and parietal bones?
coronal suture
What suture is fibrous connective tissue between the two parietal joints of the skull?
sagittal suture
what suture is the borderline between the occipital and parietal cranial bones?
lambdoidal suture
What suture is seen at the border between the parietal and temporal bones?
squamous suture
