Skull Flashcards
Frontal bone
Forehead(unpaired)
Parietal
Span most of the head on the sides(paired)
Coronal suture
Connects frontal and parietal bones
Sagittal suture
Sections/connects parietals left and right
Supraorbital tori(torus sing)
Protrusion above eye sockets on the frontal bone(paired)
Can help sex determination(makes have it more protruding)
Nasals
Nasal bones
Lacrimals
Tear ducts(paired); very delicate
Zygomatic
Cheekbones(paired)
Maxillae(maxilla sing.)
Upper jaw(paired)
Mandible
Lower jaw(unpaired)
Occipital bone
Behind the head(nearest time the neck)
Foramen magnum
Big hole which connects brain stem to spinal cord
Sphenoid
Spans across inner skull that looks like a butterfly
Temporal
Below parietals, holds hearing apparatus
Ethmoid
Irregular bone behind the upper nose
Vomer
Bone going down the middle of the back of the nose(unpaired)
Squamosal suture
Between temporal,parietal and occipital
Nuchal area
On occipital bone where the neck muscles are attached
Can infer sex-makes have a more refinished nuchal area
Mastoid process
Part of the temporal bone behind the ear
External auditory meatus
Ear hole
Lambdoid suture
Between parietal and occipital
Palatine
Bone on the palate(directly behind maxilla) paired
Auditory ossicles
Malleus
Incus
Stapes
Hyoid
U shape bone that supports tongue and speech muscles
Sutures
Interdigitating lines which start to disappear through age due to fusion
Can estimate age
Nasal conchae
Bones behind the nose(paired)
