most missed questions ex 1 Flashcards
which of the skull bones are derived from intramembranous ossification?
nasal, palatine, vomer, lacrimal, zygomatic, maxilla, frontal, parietal, most of mandible, squama of temporal and occipital bones and greater wing of sphenoid
what organs are specifically associated with the horizontal axis of the skull?
eye
vestibular apparatus of inner ear
what is the generic orientation of the pedicle at each region of the spine?
cervical- posterolateral
thoracic- posterior, slight lateral
lumbar- posterior
all lamina are oriented in what direction?
posterior and median
what will form the posterior boundary of a typical intervertebral foramen?
post-zygapophysis
pre-zygapophysis
capsular ligament
ligamentum flavum
which vessels form the venous vasa corona?
right and left anterior and posterior longitudinal veins
4 communicating arteries
which branches of the spinal artery supply the contents of the subarachnoid space?
anterior radicular artery
posterior radicular artery
anterior medullary feeder artery
posterior medullary feeder artery
in which vertebral foramen will the conus medullaris typically be observed?
L1
what feature is identified on the anterior surface of the inferior epiphyseal rim of C2?
anterior lip
what is the location of the superior vertebral notch of C2?
lamina-pedicle junction
how can you distinguish between T2-T4 from T5-T8 using articular process?
T2-T4 width btw superior articular process is greater than inferior
T5-T8 width btw superior articular process is equal/ same width as inferior
what is the angulation of the spinous process T2-T4?
undersurface of T2-T4 spinous processes will angle up to 40 degrees from horizontal plane
what is typically present on the transverse tubercle of T10?
transverse costal facet
what part of transverse process may be absent on T10?
transverse costal facet
what is the name given to the projection on the lumbar superior articular process?
mammillary process
