Skeletal System Flashcards
What 8 bones are part of the cranium?
- two parietal
- two temporal
- occipital
- frontal
- sphenoid
- ethmoid
What 14 bones are part of the face?
- two maxillae
- two palatine
- vomer
- two nasal
- two lacrimal
- two zygomatic
- mandible
- two inferior nasal conchae
Name the 7 sutures of the cranium
- Coronal (between parietal bones and frontal bone)
- Sagittal (between parietal bones)
- Lambdoidal (surrounding occipital bone)
- Squamosal suture (surrounding temporal bones)
- Temporozygomatic (between temporal and zygomatic bones)
- Median palatine suture (divides the palate in two)
- Trans palatine suture (divides front and back from molar to molar)
What does the foramen magnum do?
Spinal cord passes through here (specifically CN XI)
What does the foramen ovale do?
Mandibular division of the trigeminal nerve
What does the foramen spinosum do?
Caries the middle meningeal artery
What does the foramen rotundum do?
The maxillary division of the trigeminal nerve
What does the carotid canal do?
Caries the internal carotid artery
What does the stylomastoid foramen do?
Where the facial nerve exits the skull
What does the jugular foramen do?
Carries the internal jugular vein
What does the cribriform plate do?
Has foramina for the olfactory nerve
What does the hypoglossal canal do?
Carries the hypoglossal nerve
What does the internal acoustic meatus do?
Carries the facial nerve
What does the superior orbital fissure do?
Trigeminal nerve and blood vessels
What does the external acoustic meatus do?
opening to tympanic cavity
What does the foramen lacerum do?
transmits Cartilage when intact
What does the greater palatine foramen do?
transmits Greater palatine nerves and blood vessels
What does the incisive foramen do?
transmits Right and left nasopalatine nerves
What does the inferior orbital fissure do?
transmits Infraorbital and zygomatic nerves
What do the infraorbital foramen and canals do?
transmits Infraorbital nerves and blood vessels
What does the lesser palatine foramen do?
transmits Lesser palatine nerves and blood vessels
What does the mandibular foramen do?
transmits Inferior alveolar nerves and blood vessels
What does the mental foramen do?
transmits Mental nerves and blood vessels
What does the optic canal and foramen do?
transmits Optic nerves
What does the posterior superior alveolar foramen do?
transmits Posterior superior alveolar nerves and blood vessels
What does the supraorbital notch/foramen do?
Transmits supraorbital nerves and arteries
What does the zygomaticofacial foramen do?
Transmits zygomaticofacial nerves and arteries
What is the triangular shaped indentation that is the nose called?
Piriform aperture
