LAB 7 skull Flashcards
how many bones in the skull?
22
how many facial bones in the skull?
14
how many cranial bones in the skull?
8
list of cranial bones
1 frontal, 2 parietal, 2 temporal, 1 occipital, 1 sphenoid, 1 ethmoid
what suture articulates the frontal bone and the 2 parietal bones?
coronal suture
what is a suture?
fibrous solid joint, synarthrosis
what suture articulates the 2 parietal bones?
saggital suture
what suture articulates each parietal bone with a temporal bone on the same side?
squamous suture
what shape is the mastoid process of the temporal bone?
breast-like
what shape is the styloid process of the temporal bone?
pen-shaped
what bone does not articulate with the skull but is associated with it?
hyoid bone
what kind of joint is the tempomandibular joint?
diarthrosis, synoival hinge
what is the common name for the zygomatic bone?
cheek bone
what are the auditory ossicles called?
malleus, incus, stapes
where are the three auditory ossicles found?
middle ear cavity of the petrous region of the temporal bone
what is found in the inner ear cavity?
organs, sensory receptors for hearing and equilibrium
what suture articulates the occipital bone with the 2 parietal bones?
lambdoid suture
what are the main sutures of the skull?
coronal, saggital, squamous, lambdoid
what bone articulates with the occipital condyles of the skull?
atlas/C1
what passes through the foramen magnum?
spinal cord, brainstem, meninges
what cranial bones does the sphenoid bone articulate with?
all
what shape are the pterygoid processes of the sphenoid bone?
wing-shaped
what does the falx cerebri seperate?
the right and left cerebral hemispheres
what types of tissue form the nasal septum?
bone, hyaline cartilage
names of fontanelles
anterior, mastoid, posterior, sphenoidal
functions of fontanelles of fetal skull
rapid brain growth, compression of the skull during delivery
list of facial bones
2 nasal, 2 maxillae, 1 vomer, 2 lacrimal, 2 zygomatic, 2 inferior nasal conchae, 1 mandible, 2 palatine
functions of lacrimal fluid
kill bacteria, clear debris, nourish tissue of eyes
what 2 cavities does the hard palate separate?
oral cavity and nasal cavity
how many nasal conchae does each person have?
6
what feature articulates with the mandibular condyles to form the temporalmandibular joint?
mandibular fossa
mnemonic devise for bones of the orbit
My Eyes Feel Like Pulling Some Zzzs
bones of the orbit
Maxilla, Ethmoid, Frontal, Lacrimal, Palatine, Sphenoid, Zygomatic
mnemonic devise for bones of the nasal cavity
Max’s Nose Is Very Easily Picked
bones of the nasal cavity
Maxilla, Nasal, Inferior nasal conchae, Vomer, Ethmoid, Palatine
