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29 Cards in this Set
- Front
- Back
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***: solution w/greater osmole concentration than cytosol... causing...
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Hypertonic... shrinkage
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***: solution w/lower osmole concentration than cytosol... causing...
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Hypotonic... bursting
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1 osmole = ***
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1 mole of osmotically active particles
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Membrane with + charge inside will naturally have more *** ions there.
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-
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Types of transport.... energywise
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active
passive diffusion |
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*** protein transports a molecule solo via....
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Uniport
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*** protein transports a molecule w/same flow of ***.
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Symport
co-transported ion |
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*** protein transports a molecule w/opposite flow of ***.
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Antiport
co-transported ion |
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*** of all ATP used for this....
# *** in # *** out |
1/3
2 K+ in 3 Na+ out |
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***: branched projections conducting stimulation to soma.
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Dendrites
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***: long, slender projection conducting electrical impulses away from soma.
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Axon
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***: non-neuronal cells that maintain health, support, and protection of neurons w/myelin.
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Glial cells
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***: Glial cell of the PNS.
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Schwann cell
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***: Material from glial cells that form Dielectric sheath around ***.
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Myelin
axons |
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The *** cell releases neurotransmitter into synapse at its ***.
In greek? |
presynaptic
axon terminal "before the synapse" |
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The *** cell receives the message.
In greek? |
postsynaptic
“after the synapse” |
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Before being released into the ***, neurotransmitters are stored in ***.
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synaptic cleft
synaptic vesicles |
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***: When electrical membrane potential rapidly rises and falls.
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action potential
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Give an example of a gated channel...
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Voltage-gated Ca2+ channel
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1) Acetylcholine receptor has these subunits........
2) binding site in ***.... 3) that cause *** |
1) α,α,β,γ,δ
2) α and α 3) conformational change |
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*** are the gaps between myelin sheaths.
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Nodes of ranvier
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*** *** cells form myelin sheath.
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Myelinating Schwann
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Latin word for... to hop/leap
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saltare
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***: Process increasing conduction velocity of *** w/o increasing axon diameter.
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Saltatory conduction
action potential |
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In myelinated axons, action potentials do not propagate as ***; instead, they *** at successive nodes effectively "---------".
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waves
recur "hoping" along the axon |
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Action potential causes ***(***) influx and ***(***) outflux which returns the *** gradient to its resting state .
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sodium - Na+
potassium - K+ electrochemical |
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The ***/*** helps maintain resting potential.
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sodium–potassium pump
Na+/K+-ATPase |
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***: acetylcholine receptor
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Nicotinic acetylcholine receptor
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In animal cells, two types of action potential.
1) Generated by ***. 2) Generated by ***. |
1) voltage-gated sodium channels
2) voltage-gated calcium channels |
