Skull Flashcards
Name joint A.
Coronal suture: connects the parietal bones to the frontal bone
Name joint B.
Sagittal suture: joins the two parietal bones along the midline of the skull
sagittal - separate into right and left halves
Name joint C.
lambdoidal suture: connects the occipital bone to the parietal bones
Name bone D.
parietal bone: the parietal bones form most of the superior and lateral aspects of the cranium
The blue bumps are the _____
occipital condyles: articulate with the atlas vertebra (C1)
condyle = smooth, rounded articular process
The red structure is the _____
mandibular condyle: articulates with mandibular fossa of the temporal bone; together they for the temporomandibular joint
The yellow parts are the _____
mandibular fossa: depression on temporal bone where the mandible articulates with the skull; forms temporomandibular joint
fossa = shallow depression
The blue part is the _____ of the _____ bone.
mastoid process; temporal
The purple part is the _____
zygomatic arch
The green part is the _____
coronoid process: projection of the mandible to which a muscle moving the mandible upward attaches (anterior toward the teeth)
The orange parts are the _____
alveolar processes: ridges on the mandible and maxilla that help to form the sockets that hold the teeth
Name joint A.
squamosal suture: connects the parietal bone to the temporal bone on either side of the skull
The green/blue part is the _____ of the _____ bone.
crista galli (a membrane holding the brain in place attaches to this)
ethmoid bone: deepest bone of the skull; between the nasal bones of the sphenoid
The green/blue part is the _____ of the _____ bone.
sella turcica (protects and houses the pituitary glad)
sphenoid bone (butterfly shaped, forming the posterior wall of the orbits; articulates with all of the cranial bones)
The yellow space is the _____
orbit
The red bones are the _____
nasal bones
The bones in the green boxes are the _____
inferior nasal conchae: they function to increase surface are of the nasal cavity
The blue bone is the _____
ethmoid bone: deepest bone of the skull; lies between the nasal bones and the sphenoid
The yellow bone is the _____
vomer: lowest portion of the septum
The green/blue part is the _____
maxillae bones
The purple space is the _____
frontal sinus
The red space is the _____
sphenoidal sinus
The blue spaces are the _____
ethmoidal sinuses
The green space is the _____
maxillary sinus
The red holes are the _____
carotid foramina
The green holes are the _____
jugular foramina
The blue hole in the orbit is the _____
optic foramen
The red arrow indicates the _____
nasolacrimal canal
The red part is the _____ of the _____ bone.
cribriform plate: olfactory bulbs lie on the plate
ethmoid
The small holes within the red part are the _____
olfactory foramina: through wich olfactory nerves for the sense of smell pass from the nasal cavity to the olfactory bulbs
Bone 1 is the _____
frontal bone
Bone 2 is the _____
zygomatic bone
Bone 3 is the _____
sphenoid bone
Bone 5 is the _____
maxilla bone
Bone 1 is the _____
frontal bone
Bone 2 is the _____
zygomatic bone
Bone 3 is the _____
sphenoid bone
Bone 4 is the _____
maxilla bone
