sectional anatomy reading - pictures cervical

what does the sagittal plane divide into

left and right

what does the coronal plane divide into

anterior and posterior

what does the axial plane divide into

superior and inferior

what does the oblique plane divide into

diagonally between axes

what makes the lordotic curves

cervical and lumbar

what makes kyphotic curves

thoracic and sacral

shock absorbing cartilaginous

intervertebral discs

at birth, what is the percentage of water of the nucleus pulposus

85%

what makes the atlas special

no body, no spinous process, 2 lateral masses, anterior arch posterior arch

atlas

atlas

lumbar spine

lumbar spine

what makes the axis special

has odontoid processes (dens)

what do the odontoid processes articulate with

atlantoaxial joint

axis

axis

axis

cervical spine

what makes the thoracic vertebrae special

costal facets, costovertebral joints, costotransverse joints

thoracic spine

lumbar spine

lumbar spine

how many bones fuse to form the sacrum

5

the sacrum has alae or lateral masses, what was it originally?

transverse processes

what is special about the first sacral segment

sacral promontory

the fifth sacral segment is missing a spinous process, what is it called

sacral hiatus

how many fused bones make the coccyx

5

sacrum/coccyx

sacrum

sacrum