LABS 3&4 lumbar vertebrae, sacrum and coccyx

Question 1

what makes lumbar vertebrae unique?

Answer 1

they don’t have any of the features unique to cervical or thoracic vertebrae (transverse foramen/superior and inferior costal facets, transverse costal facets)

Question 2

possible features of lumbar vertebrae

Answer 2

body, transverse process, spinous process, pedicle, superior and inferior articular facets, vertebral foramen, vertebral arch, lamina

Question 3

possible features of sacrum

Answer 3

promontory, anterior and posterior sacral foramina, sacral canal, sacral hiatus

Question 4

what two projecting features found of “typical” vertebrae are absent on the sacrum?

Answer 4

spinous process, transverse process

Question 5

which regions of vertebral column curve inward/concave?

Answer 5

cervial and lumbar (secondary)

Question 6

which regions of vertebral column curve outward/convex?

Answer 6

thoracic and sacral (primary)

Question 7

what is the purpose of the intervertebral foramina?

Answer 7

for nerves to be able to go in and out of vertebral column/access spinal cord

Question 8

which two curves of vertebral column are considered primary?

Answer 8

thoracic and sacral

Question 9

which two curves of vertebral column are considered secondary?

Answer 9

cervical and lumbar