Flashcards in The Head Deck (72)
Excluding the auditory ossicles, how many bones form the skull?
How many bones form the neurocranium?
What bones form the neurocranium?
frontal, parietal, occipital, temporal, sphenoid, and ethmoid
How many bones form the facial skeleton?
What bones form the facial skeleton?
mandible, vomer, nasal, maxilla, lacrimal, inferior nasal concha, palatine, and zygomatic
What are the four subclassifications of synarthrosis joints based on Latin groupings?
suture, gomphosis, schindylesis and syndesmosis
What were the five types of suture based on Latin groupings?
serrate, denticulate, limbous, squamos, and harmonia
What are the characteristics of sutura vera (true sutures)?
sutures demonstrating interlocking of the adjacent bone surfaces; typically formed by intramembranous ossification
What are the characterisitics of sutura notha (false sutures)?
sutures lacking interlocking of adjacent bone surfaces; typically formed by endochondral ossification
What were the classifications of sutura vera (true sutures) based on Latin groupings?
serrate, denticulate, and limbous
What were the classifications of sutura notha (false sutures) based on Latin groupings?
squamos and harmonia
What are the typical examples of the plane suture or harmonia suture?
cruciate suture made up of the intermaxillary, interpalatine, and palatomaxillary sutures
What are the examples of the schindylesis type of suture?
sphenoid-ethmoid-vomer articulation, the palatine-maxilla-vomer articulation
What are the examples of the gomphosis joint?
maxilla-root of tooth; mandible-root of tooth
What are the five views of the skull called?
norma verticalis, norma frontalis, norma occipitalis, norma lateralis, norma basalis
What is the diamond shaped remnant of developing membrane bone at the intersection of the frontal bone with both parietal bones?
the anterior fontanelle
What is the posterior fontanelle?
the diamond shaped remnant of developing membrane bone at the intersection of the occipital bone with both parietal bones
What is the diamond shaped remnant of developing membrane bone at the intersection of the occipital bone with both parietal bones?
the posterior fontanelle
What is the name given to the outline of the nasal cavity at the front of the skull?
What is the name given to the alveolar jugum of the canine tooth in the maxilla?
What forms a bullet-like chin?
a large mental protuberance
What forms an indented chin?
well developed bilateral mental tubercles and a slight mental protuberance
What is the tip of the external occipital protuberance called?
What bones form the pterion?
parietal, temporal, sphenoid, and frontal bones
What points on the skull are used to measure skull size?
the nasion, vertex, inion, and gnathion
What points on the skull are used to measure cranial vault capacity?
the nasion, vertex, and inion
The olfactory nerve exits the cranial vault via what opening?
cribriform plate of the ethmoid bone
What passes through the foramen cecum?
an emissary vein
What is the anterior boundary of the middle cranial fossa?
lesser wings, anterior clinoid processes and spehnoidal jugum of sphenoid bone