Nervous System Basics
Nervous System Functions
Nervous System Randoms
The Brain
Diagrams
100
The primary cell that builds all the structures of the nervous system
Neuron
100
What purpose is the purpose of the Myelin Sheath on an axon?
insulation
to speed up nerve impulses
100
Name the gaps between the myelin sheaths on the axon?
nodes of ranvier
100
Structure that connects the 2 hemispheres
Corpus Callosum
100
What is 1 and 5?
1- mitochondria
5-receptor
200
what does PNS stand for?
peripheral nervous system
200
what does CNS stand for?
Central Nervous System
200
Doctor that specializes in the nervous system
Neurologist
200
What is A?
Frontal Lobe
200
What is C and F?
c- cerebellum
f- pons
300
Two subdivisions of the Autonomic Nervous System--and the function of each
Sympathetic "Fight of Flight" Parasympathetic Division- "rest and digest"
300
Name FOUR Functional parts of a neuron
1- cell body (soma) 2- dendrites 3- axon 4- myelin sheaths 5- axon terminals 6- nodes of ranvier
300
The place where 2 neurons meet to pass a "message"
Synapse
300
What is the difference between a gyrus and a sulcus?
Gyrus-raised rigde
Sulcus-groove or depression
300
What is H and M?
H- midbrain
M- Transverse fissure
400
The central nervous system is made of these organs
brain and spinal cord
400
What does an axon terminal hold inside small vessicles?
neurotransmitters
400
Which lobe of the brain is responsible for vision?
Occipital lobe
400
Where the 2 optic nerves cross (the X)
Optic chiasma
400
What is e and g?
e- pituitary gland
g- medulla oblongata
500
An action potential travels along this structure until it reaches the axon terminal
the Axon
500
Name three neurotransmitters
Oxytocin, adrenaline, dopamine, GABA, melatonin
500
Which part of the brain is responsible for the retrieval of memories (seahorse)?
Hippocampus
500
What are the 3 meninges?
Dura mater, arachnoid, pia mater
500
What is the structure that separates the yellow and blue?
Central Sulcus