GA 2 the skull Flashcards
how many bones are in the human skull?
- all sutural except for the tmj
What are the two parts the cranium is divided into?
the neurocranium= protect brain
viscerocranium= bones that surround face, digestive, and respiratory openings.
what are the components of the anterior/facial aspect of the cranium.
frontal, zygomatic, maxillae, mandible, orbits, and nasal region.
What are the two primary centers of ossification on the ant surface of skull?
frontal and parietal eminences
What do the eyebrows cover?
superciliary arches
What makes the inferior edge of the nasal cavity, by the septum?
anterior nasal spine
The trigeminal nerve branches into what three nerves?
the supraorbital, infraorbital, and mental VANs
what is the name of the opening for where the nose sits?
piriform aperture
What is the elongated opening in the eye hole area?
superior orbital fissure and inferior
What is the intersection of the frontal and nasal bones called?
the nasion
what is the area where the unibrow is called?
glabella
where is the lambda (location of fontanel/soft pot) located?
where sagittal suture and lambdoid suture meet
Where is the pterion located?
At junction of greater wing of sphenoid, squamous temporal, frontal, and parietal bones.
Lies over anterior division of the middle meningeal artery.
The highest point of the skull is called?
vertex
The zig zag lines on the the sagittal suture is called?
the parietal foramina. emmissary connects the internal and external veins
