Exam 1 - General Anatomy of the Spine and Spinal Cord

what does the IVD develop from

notochord and sclerotomes

what surround the notochordal cells creating the annulus fibrosis

somatic mesenchyme

what tissue becomes the nucleus pulposus

notochordal

what are the cartilaginous end plates of the IVD composed of

hyaline and fibrocartilage

which side of the cartilaginous end plate is hyaline

side facing centrum

which side of cartilaginous end plate is fibrocartilage

side facing IVD

what is the function of the cartilginous end plate

prevent centrum from undergoing atrophy and pressure

what keeps the IVD within anatomical borders

cartilaginous end plate

the cartilaginous end plate allows for diffusion of what

gases, nutrients, waste material

what is the joint classification of IVD

cartilaginous amphiarthrosis symphysis joint

what nerve innervates the posterior side of each vertebrae

sinu-vertebral nerve (recurrent meningeal nerve)

what nerve innervate the lateral side of each vertebrae

gray ramus communicans

what nerve innervates the anterior side of each vertebrae

afferent branches of the sympathetic trunk

what are the neural tissues found within the IVF

ventral and dorsal nerve roots

dorsal root ganglion

mixed spinal nerve

what arteries are within the IVF

spinal branch arteries that arise from the segmental artery

what are some other contents within the IVF other than neural tissue and arteries

veins, lymphatics, ligaments

what ligaments are within the IVF

transforaminal and corporotransverse

where do lymphatic capillaries arise

epidural space

what is the superior boundary of IVF

inferior vertebral notch of segment above

what is the inferior boundary of IVF

superior vertebral notch of segment below

what is anterior boundary of IVF

IVD, vertebral body, posterior longitudinal ligament

what is the posterior boundary of IVF

inferior articular process (prezygapophysis), superior articular process (postzygapophysis), capsular ligament, ligamentum flavum

where do transforaminal ligaments go to

articular process

where do corporotransverse ligaments go to

transverse process

which ligament attaches the vertebral body to the inferior articular process of same vertebra

superior transforaminal ligament

which ligament attached IVD to inferior articular process of vertebra above

middle transforaminal ligament

which ligament attaches vertebral body to superior articular process of the same vertebra

inferior transforaminal ligament

what ligament attaches vertebral body and IVD to transverse process of vertebra below

superior corporotransverse ligament

what ligament attaches vertebral body and IVD to transverse process of vertebra above

inferior corporotransverse ligament

Where do superior transforaminal ligaments attach at L1-L2 IVF?

L1 vertebral body and the inferior articular process of L1

what is the other name for the artery of Adam Kiewicz

anterior medullary feeder artery

which side is the artery of Adam Kiewicz most commonly found on

left

what level does the artery of Adam Kiewicz enter the spinal canal

T9/T10 IVF

what is the only major arterial supply to the anterior spinal artery inferior to its entry

artery of Adam Kiewicz

what is the supply for the lumbar enlargement of the spinal cord

artery of Adam Kiewicz

herniations that occur below T8 cause _____ to be compromised

artery of Adam Kiewicz