atlas and axis bones Flashcards
body of vertebrae
attachment - longus coli m
vertebral foramen and canal
function - houses spinal cord
intervertebral foramen
function - transmits spinal nerves and radicular vessels
transverse process
attachements - longus capitis, longus coli, scalenus anterior, scalenus medius, scalenus posterior, semispinalis capitis and splenius cervicis
transverse foramen
funtion - transmits vertebral a. and v.,
superior articular facet of vertebrae
function - articulates with adjacent vertebra
inferior aricular facet of vertebra
function - articulates with adjacent vertebra
spindous process
attachements - splenius capitis, splenius cericis and semispinlis cervicis
malleus
attachments - tensor tempani m
stapes
attachments - sternohyoid and sternothyroid
clavicular notch and facet
function - articulates with clavicle
anterior surface of sternum
attachments - sternocleidomastoid m.
posterior surface of sternum
attachments - sternohyoid and sternothyroid
sternal end of clavicle -
function - articulates with sternum
superior surface of clavicle
attachments - sternocleidomastoid m.
Anterior tubercle of atlas
attachments- anterior longitudinal lig. & longus coli m.
Superior facet of atlas
function- articulates with occipital condyles
Inferior facet of atlas
function- articulates with axis
Groove for the vertebral artery
function- houses the vertebral a. & v. & suboccipital n.
Posterior tubercle of atlas
attachment- ligamentum nuchae & rectus capitis posterior minor m.
Transverse process of atlas
attachments- levator scapulae, obliquus capitis inferior & superior
Transverse foramen of atlas
function- transmits the vertebral a. & v.
Superior articular facet of axis
function- articulates with the atlas
Impressions for the alar lig.
attachments- alar lig
Groove for the transverse lig
function- houses the transverse ligament (cruciate)
Vertebral notch of axis
function- transmits C3 spinal nerve
Transverse process of axis
attachments- levator scapulae & middle scalene
Transverse foramen of axis
function- transmits the vertebral a. & v
Spinous process of axis
attachments- semispinalis cervicis, rectus capitis posterior major & inferior oblique m.