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Physiology
The sympathetic nervous system primarily uses norepinephrine (also known as noradrenaline) as its neurotransmitter. It is released from the synaptic terminals of postganglionic sympathetic fibers and acts on adrenergic receptors, which are found o
Oral Medicine
tPA is a thrombolytic agent used to dissolve blood clots. In the treatment of pulmonary embolism, it is administered to break down the clot in the pulmonary artery, thereby improving blood flow and reducing the risk of complications.
General Medicine
Protein S, in complex with activated protein C, acts as a cofactor for the inhibition of factor Xa, thus playing a role in the regulation of the coagulation cascade and preventing thrombus formation.
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