vault of skull Flashcards
what does norma verticals mean
vault of the skull (form above)
how are bones joined together
by sutures which are fibrous joints
what type of ossification are sutures made from
membrane ossification - no cartilage precursor
what bones can bee seen from norma verticals
frontal bone, partial bone, occipital bone
how is the fontal bone shown in children
it is metopic - has 2 halves
name the sutures and their location
- Cornel sutures (side to side) (crown of the head) Sagittal sutures (front to back) Lambdoid suture ( v shaped) Back of head
names the fontenelles
anterior (closes at 2) at meeting go sagittal and coronal sutures
posterior - closes at 2 months
what does norma ossipatus mean
posterior form behind
what bones and landbarks can been seen posterior of skull
posterior part of sagittal suture
lambed suture
occipital bone
external occipital protuberance
what is an island of bone
often seen in the v shaped lambdoid suture a section of bone called sortie bone or wormian bone
what does norma laterialis mean
side view of skull
bones seen from side
frontal, partial
occipital, temporal, sphenoid, zygomatic, maxilla, mandibole
name part of the occipital bone in the vault of the skull
the squamous part is in the vault while the vascular part is in the base of the skull
name the four section of a sphenoid bone
squamous, zygomatic, mastoid, tympanic plate and styloid process
what is a ptertion
a H shaped argument where many sutures met at the side view of skull - has an artery passing through and is very thin