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Nervous System
Cincinnati Fire Department - Paramedic Class 02
35
Anatomy
Professional
02/05/2009

Additional Anatomy Flashcards

 


 

Cards

Term
Dendrite
Definition
Projection off neuron that RECEIVES electrical impulses
Term
Axon
Definition
Projection off of neuron that SENDS electrical impulses away
Term
Neuron
Definition
Nerve cells containing axons & dendrites
Term
Functions of Neuroglia
Definition
1) supporting skeleton for neural tissue 2) isolate & protect cell membranes 3) Regulate interstitial fluid 4) Defend from pathogens and aid in injury repair
Term
Myelin Sheath
Definition
Membrane formed by Schwann cells
Term
Myelinated Nerves
Definition
Nerves with axons that are covered by a myelin sheath, can grow back, white matter
Term
Unmyelinated axons
Definition
Axons not covered by myelin sheath, cannot grow back
Term
Neurotransmitters
Definition
Chemicals released from neurons that stimulate other neurons
Term
Synaptic vesicle
Definition
Vesicles that contain neurotransmitters
Term
Nerve fiber
Definition
Group of neurons bundled together
Term
Central Nervous System
Definition
Consists of the brain and spinal chord. Includes 12 pairs of cranial nerves
Term
Cerebrum(cerebral cortex)
Definition
Largest part of brain, higher thought process
Term
Gyri
Definition
Folds of the cerebrum
Term
Frontal Lobe
Definition
Aggression, personality traits, voluntary motor action
Term
Parietal Lobe
Definition
Sensory information, smell, hearing, vision
Term
Occipital Lobe
Definition
Processes vision and hearing
Term
Temporal Lobe
Definition
Memory and some hearing. Separated by lateral fissure
Term
Efferent Tracts
Definition
Carries motor impulses to the Peripheral Nervouse System
Term
Afferent Tracts
Definition
Carry sensory information to the Brain
Term
Define and Locate the Cauda Equina
Definition
Located at the L2 vertebrae, the spinal cord extends into many individual nerve roots.
Term
Spinal cord
Definition
Large bundle of nerve fibers. The cord leaves the cranial vault through a hole in the base of the skull called the Foramen Magnum
Term

 

 

 

Define the purpose and function of Cerebrospinal fluid.   (CSF)

Definition

- Flows in the subarachnoid space

 

- Made in the ventricles of the brain by the Choroid Plexus

 

- cushions and protects the brain and the spinal cord

Term
Electrolytes
Definition
Disassociates into opposite charged particles(ions)
Term
Cations
Definition
Positive charged ions(H+, Na+, K+, Ca+)
Term
Anions
Definition
Negative charged ions(Cl-, HCO3-)
Term
Cyotic Nerve
Definition
Longest nerve in the human body
Term
Lidocaine
Definition
Drug that stops the sodium/potassium pump
Term
MS(multiple sclerosis)
Definition
Disease that deteriorates the myelin sheath
Term
Sympathetic and Parasympathetic
Definition
2 subsystems of the autonomic nervous system
Term
Atropine
Definition
Drug used as a parasympathetic blocker
Term
Norepinephrine
Definition
Neurotransmitter for the sympathetic nervous system
Term
Stimulus
Definition
An agonist is also know as a...
Term
Blocker
Definition
An antagonist is also known as a...
Term
Stimulus
Definition
Mitic
Term
Blocker
Definition
Litic
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