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Foundation of Physiology 1
Semester one
29
Biology
Undergraduate 1
01/18/2009

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Term
Resting membrane potential
Definition
50mV
Term
Nernst Equation
Definition
E=61.5 log10 ([Ion] out / [Ion] in)
Term
Goldmann Constant Feild equation
Definition
Em = 61.5 log ([K]out + [Na]out + [Cl]in)/([K]in + [Na]in + [Cl]out)
Term
Componants of thick filament (Skeletal muscle)
Definition
Myosin polymer
Term
Componants of thin filament (Skeletal muscle)
Definition
G-Actin, tryptomyosin and troponin
Term
Isometric contraction
Definition
Length constant, tension increases
Term
Isotonic contraction
Definition
Length decreases, tension remains the same
Term
Excitation - contraction coupling
Definition
Ca++ enters muscle
Activates calmodulin
Binds to myosin light chain kinase
Phosphyolates myosin head
Myosin bind to actin
Term
Cerebellum
Definition
Learned programming
Term
Medulla Oblongata
Definition
Basic function regualtion
Term
Frontal lobe
Definition
Cognative discussion
Term
Somatic sensory area
Definition
Recieves sensory information
Term
Occipital Lobe
Definition
Visual area
Term
Dorsal root
Definition
Afferant fibres in, dorsal root ganglion
Term
Ventral root
Definition
Efferant fibres out, cell bodies in spinal cord
Term
Sympathetic pathways
Definition
Short pre-ganglionic neurons, long post ganglionic neurons
Term
Parasympathetic pathways
Definition
Long pre-ganglionic neurons, short post ganglionic neurons
Term
Poiseulles law
Definition
Flow propotional r4
Term
Cardiac nervous control
Definition
Medulla oblongata
Term
La Place
Definition
Pressure=(2 x surface area)/Radius
Term
Inspiratory capacity
Definition
TV + IRV
Term
Functional residual capacity
Definition
ERV + RV
Term
Vital capacity
Definition
IRV + TV + ERV
Term
Total lung capacity
Definition
IRV + ERV + TV + RV
Term
Haldane effect
Definition
Oxyhaemoglobin is more acidic than CO2 blood
Term
Dorsal respiratory group
Definition
Inspiration
Term
Ventral respiratory group
Definition
Expiration
Term
Pnumotaxic centre
Definition
Control breathing rate and depth
Term
Apneustic centre
Definition
Maintains inspiration
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