The physical characteristics and processes of biological systems.
Raynaud Disease
An idiopathic vascular disorder characterized by bilateral Raynaud phenomenon, the abrupt onset of digital paleness or CYANOSIS in response to cold exposure or stress.
No-Reflow Phenomenon
Markedly reduced or absent REPERFUSION in an infarct zone following the removal of an obstruction or constriction of an artery.
Time Factors
Elements of limited time intervals, contributing to particular results or situations.
Models, Biological
Theoretical representations that simulate the behavior or activity of biological processes or diseases. For disease models in living animals, DISEASE MODELS, ANIMAL is available. Biological models include the use of mathematical equations, computers, and other electronic equipment.