Week 1 - Skull (Revision Questions) Flashcards
The ____ bone is an unpaired bone of the posterior skull, whereas the ____ bones onn each side are paired bones that drain tears into the nose.
occipital, lacrimal
The ____ bones are paired and part of the calvaria. The bone that contains the upper molar teeth is the paired ____
parietal, maxilla
The zygomatic arch contains parts of which bone?
Temporal bone
The mastoid process belongs to which bone?
Temporal bone
The pterygoid processes are part of which bone?
Sphenoid bone
Which bones create the anterior cranial fossa?
Frontal, ethmoid and sphenoid
How are most of the bones of an adult skull connected?
Sutures (synarthroses)
The bones of the temperomandibular joint are the condyle of the ____ and the ____ bone
mandible, temporal
What structure is situated between the mandibular fossa of the temporal bone and condylar head of the mandible?
Articular disc
Which bone is the weakest in the skull, and where is it located?
Pterion, found as part of the temporal fossa at the junction of the temporal, sphenoid, frontal and parietal bones
What is the name of the lines at the connecting side of bones?
Sutures (fontanelles in babies)
Which cranial fossa is the foramen magnum in? What passes through the foramen magnum?
Brainstem (medulla oblongata), spinal cord, nerves
What is the name of the bones that create the roof of the mouth?
Maxillary (front), palatine (back)
What is the normal value for interincisal opening?
35-45mm
What is the normal interincisal opening value for trismus patients?
<35mm
What is the purpose of the neurocranium?
To protect the brain
Includes frontal, sphenoid, ethmoid, parietal, temporal and occipital bo
What is the purpose of the viscerocranium?
Forms the face
Includes nasal bones, maxilla, lacrimal, zygomatic bones, nasal septum (all nasal conchae) vomer, palatine bones (ethmoid + sphenoid)
