Flashcards in Spinal 2 Wk 2 Deck (39):
What is the general shape of the vertebral body at each region of the spine?
Cervical - rectangular
Thoracic - triangular
Lumbar - reniform
What is the name given to the cartilage found at the superior and inferior surface of a developing vertebral body?
Superior epiphyseal plate, inferior epiphyseal plate
What are the ages of appearance and events occurring at each step in the formation of bone at the superior and inferior surface of the vertebral body?
ages 7-9 years, appearance of epiphyseal plate centers of ossification
age 12 years, formation of the epiphyseal ring
ate 15 years, formation of the epiphyseal rim
What is the generic orientation of the pedicle at each region of the spine?
Cervical - posterolateral
Thoracic - Poaterior, slight lateral
Lumbar - Posterior
What classification of bone will para-articular processes represent?
What is the name given to the overlap of laminae seen on x-ray?
What is the name given to the lamina - pedicle junction at each region of the spine?
Cervical - articular pillar,
Thoracic and Lumbar - pars interarticularis
What is the generic orientation of the transverse process or transversre apophysis at each region of the spine?
Cervical - anteriolateral
Thoracic - posterolateral
Lumbar - Lateral
What will cause the transverse process/transverse apophysis to alter its initial direction in the thoracic region?
The growth of the lungs remodel the shape of the ribs which in turn push the transverse processes backward.
What is the name given to the joint formed by the articular facets of a vertebral couple?
What names are given to the part of the vertebra which supports the front of the zygapophysis?
The superior articular apophysis, the superior articular process, or the pre-zygapophysis.
What will form the posterior boundary of a typical intervertebral foramen?
The inferior articular process/post-zygapophysis, the supeior articular prosess/pre-zygapophysis, the capsular ligament, and the ligamentum flavum.
What will form the superior boundary of a typical intervertebral foramen?
In the inferior vertebral notch or inferior vertebral incisure.
What will form the anterior boundary of a typical intervertebral foramen?
The vertebral body of the segment above, the vertebral body of the segment below, the intervertebral disc, and the posterior longitudinal ligament.
What is the method of calculating the angle of the spinous process/spinous apophysis?
Calculate the angle formed between the undersurface of the spinous process/spinous apophysis and the horizontal plane.
What is the name given to the normal overlap of spinous processes or spinous apophysises as seen on x-ray
What is the typical shape/outline of the vertebral foramen at each reagion of the spinal column/ vertebral column.
Cervical - Triangular
Thoracic - oval
Lumbar - triangular
Sacral - triangluar
Identify the meninges of the spinal cord/spinal medulla/medulla spinalis.
Name and locate each space formed between the osseous vertebral foramen and the spinal cord spinal medulla/medulla spinalis.
Epidural space - between the vertebral foramen and the dura mater
Subdural space - between the dura mater and the arachnoid mater
Subarachnoid space - between the arachnoid mater and the pia mater
Which of the contents of the epidural space will be found near the vertebral body?
Anterior spinal canal artery and plexus
Anterior internal vertebral venous plexus
Recurrent meningeal/sinu-vertebral/sinus vertebral nerve
Posterior longitudinal ligament
What is the name given to the fluid within the subdural space?
What is the name given to the fluid with the subarachnoid space?
What are the branches of the spinal artery?
anterior spinal canal artery,
posterior spinal canal artery,
anterior medullary feeder arteries,
posterior medullary feeder arteries,
Which branches of the spinal artery are typically given off in he epidural space.
anterior spinal canal artery,
posterior spinal canal artery
What forms the arterial vasa corona above C3?
Right and left anterior spinal arteries,
Right and left posterior spinal arteries,
and 4 communicating arteries
What forms the arterial vasa corona below C6?
A median anterior spinal artery,
right and left posterior spinal arteries,
and 3 communicating arteries.
Which vessel will supply the dorsal/posterior nerve root ganglion?
Posterior distal radicular artery.
What are the branches of the arterial vasa corona?
Pial perforating arteries,
central/ventral/sulcal perforating arteries,
anterior proximal radicular arteries,
posterior proximal radicular arteries.
What arterial vasa corona branches supply about two thirds of the spinal cord?
Ventral/central/sulcal perforating arteries.
Which vessels form the venous vasa corona?
Right and left anterior longitudinal veins,
right and left posterior lonitudial veins,
and 4 communicating veins.
What venous vessels are identified in the intervertebral foramen?
The continuation of pia mater below the conus medullaris is called?
Filum terminale internum
What is the location and name given to the area where all meninges first converge at the caudal part of the vertebral column?
Typically S2, the dural cul-de-sac
What are the spinal cord enlargement locations and the name given to each?
C3-T1 - Cervical enlargement
T9-T12 - Lumbar/lumbosacral enlargement.
What is a generic cord level of origin - vertebral level combination of the lumbar/lumbosacral enlargement?
L1, L2 cord levels in T9 vertebra
L3, L4 cord levels in T10 vertebra
L5, S1 cord levels in T11 vertebra
S2, S3 cord levels in T12 vertebra
What is he caudal end of the spinal cord called
The last arterial vasa corona creates what feature on angiogram?
What is the name given to the caudal attachment of the meninges?
Coccygeal medullary vestige.