Week 4a: The nervous system: Major Structures and Functions Flashcards
1
Q
Central Nervous System (CNS)
A
Brain & Spinal Cord
2
Q
Peripheral Nervous System (PNS)
A
Connects the brained spinal cord to the rest of the body.
3
Q
PNS - Somatic Nervous System
A
messages from the sense organs to the CNS
4
Q
PNS - Autonomic Nervous System
A
controls the heart, intestines, and other organs.
5
Q
Dorsal & Dorsal Roots
A
Towards the back, dorsal roots carry sensory information
6
Q
Ventral & Ventral Roots
A
Toward the stomach, Ventral roots carry motor information
7
Q
Dorsal root ganglia
A
Clusters of neurons outside the spinal cord.
neuron clusters outside the CNS is ganglion,
neuron clusters inside the CNS is called nucleus
8
Q
grey matter
A
in the centre of the cord, packed with cell bodies & dendrites