Ascending Tracts Flashcards
1
Q
What is the 3 neuronal chain in ascending tracts
A
1 - dorsal root ganglion
2 - posterior gray column
3 - thalamus
2
Q
What is the modality of the posterior /dorsal column
A
Muscle and joint sense
Vibratory sense
Two point discrimination
3
Q
What are the receptors of the dorsal column tract
A
Muscle spindle and Golgi tendon organ
4
Q
What is the neuronal chain of the dorsal column tract
A
1 - dorsal root ganglion , fasciculus gracilis/cunneatus
2 - medulla (nucleus gracilis.cunneatus
3 - thalamus
5
Q
What is the modality of the lateral spinothalamic tract
A
Pain (norciception) and temperature
6
Q
What are the receptors of the lateral spinothalamic tract
A
Nociceptors and free nerve endings
