Pathways Flashcards
1
Q
Afferent fibers of anterolateral spinothalamic pathway
A
Small diameter slowly conducting
2
Q
AF of dorsal column medial lemniscal
A
Large rapidly conducting
3
Q
Origin of AL tract
A
Skin, mechanoreceptor, thermoreceptor, nociceptor
4
Q
Origin of DCML
A
skin, joints, tendons, specialized mechanoreceptors
5
Q
projection of AL tract from dorsal root
A
synapse at dorsal horn crosses SC through medulla pons midbrain to VPL nucleus of thalamus
6
Q
projectionof DCML from dorsal roots
A
ascend to medulla synapse with dorsal column nuclei cross to contralateral side and ascend to thalamus to sensory cortex