Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
8 Cards in this Set
- Front
- Back
the spinal cord is a cylindrical mass extending from the_______ to the lower border of the ______ lumbar vertebra in the ___________
|
the spinal cord is a cylindrical mass extending from the foramen magnum to the lower border of the 1st lumbar vertebra in the conus medullaris
|
|
Divided into 30 segments, the spinal consist of:
|
8 cervical,12 thoracic, 5 lumbar, 5 sacral, and a few coccygeal
|
|
___________of the spinal cord cord contains two anterior (ventral) and two posterior (dorsal) horns united by a gray commissure with central canal
|
central gray matter
|
|
__________horns contain cell bodies that give rise to efferent (motor) neurons: _________ motor neurons effect muscles and _______motor neurons to muscle spindles
|
anterior
alpha gamma |
|
_______horns contain afferent (sensory) neurons with cell bodies located in the ______
|
dorsal
dorsal root ganglia |
|
two enlargements in the spinal cord are:
|
cervical and lumbosacral
|
|
lateral horn is found in the ______ and upper ______ segments for ________ fibers of the autonomic nervous system
|
thoracic
lumbar preganglionic |
|
Name the ascending tracts in the white matter of the spinal cord:
|
Dorsal columns/medial lemniscus
spinothalamnic spinocerebellar spinoreticular |