Spinal Tracts Flashcards
1
Q
Tracts def
A
=neural pathways in spinal cord which carry info up and down spinal cord
2
Q
Ascending
A
Spininalthalamic- anterior= crude touch, lateral= pain and temperature
Spinocerebellar- muscle spindle, Golgi tendon organ
Dorsal column- conscious proprioception, vibration, fine touch- affected by diabetes
3
Q
Descending
A
Pyrimidal- conscious control of muscles from cerebral cortex to muscles of body and face (corticospinal- contraction. Myotomes)
Extra pyrimidal- unconscious, reflexive or responsive control of muscles from various brain stem structures to postural or antigravity muscles