axial skeleton Flashcards
connects ribs to sternum
costal cartiges
C1-7 (cervical) display
Cervical lordosis (concave); 7 vertebrae
T1-12 display
Thoracic kyphosis (convex); 12 vertebrae
L1-5 display
lumbar lordosis (concave); 5 vertebrae
just below lumbar vertebrae
sacrum
sacrum’s angle (convex)
Sacral kyphosis
inferior to sacrum aka tailbone
coccyx
rounded, anterior part of vertebrae
vertebral body
the 2 lateral projections of a vertebrae
transverse process
single posterior projection of vertebrae
spinous process
in-between spinous and transverse process. 2 superior and 2 inferior process allowing articulation with vertebrae
articular process
large hole spinal cord goes through in vertebrae
vertebral foramen
lateral holes unique to the cervical vertebrae
transverse foramen
name of first cervical vert
atlas
second cervical vert
axis
protrusion of second vertebrae going into first
dens (of axis)
sort of look like a giraffe from posterior view. larger, more angled transverse processes
thoracic vertebrae
allows movement of L5 from below
articular process of sacrum
spinous process posterior to sacrum where vertebrae fused
medial sacral crest
holes in sacrum
sacral foramen
upper lateral portions of sacrum (wings)
ala
where sacrum sits with L5. top center of sacrum
base
furthest anterior point of sacrum. important for obstetrics
promontory
indentation on top of manubrium. used to start the count of ribs
jugular notch
