Week 1 Flashcards
What are afferent neurons
Sensory (incoming) neurons
What are efferent neurons
Motor (exit) neurons
Bunched neurons in the CNS are called what
Tracts
Bunched neurons in the CNS are called what
Tracts
Bunched neurons outside of the CBS are called what?
Nerves
Nerves are bunched neurons where
Outside the CNS
Bunched tracts where?
Inside the CNS
Sensory neurons go through which spinal root
The dorsal root
Motor neurons leave which spinal root
The ventral root
A sulcus is what
The ‘lower’ ridges of the brain
A gyrus is what?
The ‘upper’ ridges in the brain
The central sulcus sepreates what?
The frontal and parietal lobe
The central sulcus sepreates what?
The frontal and parietal lobe
Ventricles are what?
‘Holes’ or ‘spaces’ filled with cerebral spinal fluid
What is the purpose of CSF
The act as a shock absorber and provides exchange between the blood-brain barrier
What is the pons for
Acts as a bridge between the mid brain and medulla
What part of the brain acts as a bridge between the brian and spinal cord
What is the function of the pineal body
Makes melatonin and regulates the sleep-wake cycle
What part of the brain creates melatonin
The pineal body
What is the function of the thalumus
Acts as a relay center for sensory information
Which part of the brain acts as a relay center for sensory information
The thalumus
What is the basal ganglia function?
Important for motor control and coordination but doesn’t activate the muscles themselves
The lymbic system is important for?
Emotions, learning and memory
What are the major sections involved in the lymbic system
Amydgala, the hiplocampus, the fornix, the clingulate gryus, the olfactory bulb
