spinal cord profile Flashcards
cross section of thoracic vertebra. what shape is grey matter of spinal cord?
butterfly shaped
what is unique about a cross section of lumbar vertebra?
you see conus medullaris and cauda equina
what is spinal cord divided into?
white and grey matter
how is grey matter organized in spinal cord?
buttery shaped in cross section with dorsal and ventral horns
what does grey matter contain?
the neuron cell bodies of the spinal cord.
what does white matter contain?
the ascending and descending axons, most of them myelinated, which gives white appearance.
where does spinal cord have a fissure?O
on the anterior side, the anterior median fissure
IMPORTANT: spinal cord segment
a segment of spinal cord is that portion that gives rise to a given pair of ventral roots and which receives a pair of dorsal roots. two vertebrae attached by ligaments.
