Landmarks of the skull Flashcards
(34 cards)
Foramina
These openings in the bone allow passage of nerves and blood
Supraorbital foramen
Frontal bone above the orbit
Intraorbital foramen
In the zygomatic bone under the orbit
Mental foramen
On the facial surface of the mandible in the bicuspid area
Mandible foramen
Located on the lingual side of the ramus
Incisive foramen
In the hard palate posterior to the central incisor are on the medial palatine suture (one)
Greater and lesser palatine foramina
In the hard palate lingual to the third molar area
Processes
These are long extensions that also occur bilaterally
Mastoid process
Process that extaneds from temporal bone to help form the base of cranium
Styloid process
Process that extends from the undersurface of the temporal bone
Pterygoid process
Process is a wing-shaped section of the sphenoid bone
Zygomatic process
Process extends from the frontal, temporal, and maxilla bones. These are also known as cheekbones
Palatine process
Process rests on the hard palate
Temporal process
Process extends from the temporal bone to the zygomatic bone
Frontal process
Process extends from the frontal bone to the zygomatic bone
Coronoid process
Process is the anterior portion of the ramus
Condyloid process
Process is the posterior portion of the ramus
Alveolar process
Process contains sockets that hold the roots of the teeth
Sutures
The intermaxillary suture joins the two maxillary bones from the nasal cavity inferiorly to between the maxillary central incisors. The medial palatine suture joins the two maxillary bones at the middle of the hard palate
Nasion
The point on the skull corresponding to the middle of the nasofrontal suture at the bridge of the nose
Maxillary tuberosity
Large rounded process located posterior to the third molar area. You can feel your maxillary tuberosity with your tongue behind your upper molars
Middle and inferior turbinates
Bones shaped like a top inside the nasal cavity which increase the interior surface of the nose
Glenoid fossa
A depression in the temporal bone which articulates with the condyle of the mandible
External auditory meatus
The passage to the external opening of the ear canal