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A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
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Percutaneous
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Through the skin.
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Periodic acid schiff (PAS) stain
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A type of stain used in histochemical analysis of skeletal muscle that stains carbohydrate a bright red color. The intensity of staining is proportional to muscle carbohydrate (glycogen) content.
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Permeable
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When pertaining to cell membranes, being able to have molecules pass through it.
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pH
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The logarithmic scale that quantifies acidosis; pH = -log [H+]
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Phosphagen system
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The energy system within cells responsible for rapidly regenerating ATP via the creatine kinase and adenylate kinase reactions.
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Physical activity
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Body movement above and beyond that required to support basal metabolism.
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Plasma
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The liquid component of blood.
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Plasma volume
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The volume of plasma in the total blood volume.
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Potassium (K+)
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A cation important for establishing the membrane potential of excitable cells.
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Power
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Work expressed per unit time (1 Watt = 6.118 kgm/min).
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Protein
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The macronutrient consisting of long strands of amino acids connected by peptide bonds. Depending on the length and type of amino acids in the chain, proteins can fold into complex shapes.
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Pyruvate
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The 3-carbon end product of glycolysis.
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