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level: Hormonal homeostatic control pathways

Questions and Answers List

level questions: Hormonal homeostatic control pathways

QuestionAnswer
Define hormonesChemical substances that act like messenger molecules in the body.
Define receptorsA molecule inside or on the surface of a cell that binds to a specific substance and causes a specific effect in the cell.
Define the circulatory systemThe system that contains the heart and the blood vessels and moves blood throughout the body
Define the lymphatic systemThe lymphatic system is our body's 'sewerage system'. It maintains fluid levels in our body tissues by removing all fluids that leak out of our blood vessels.
Define upregulationAn increase in the number of receptors on the surface of target cells, making the cells more sensitive to a hormone or another agent.
Define downregulationThe process of reducing or suppressing a response to a stimulus
Define signal transductionThe process by which a cell responds to substances outside the cell through signalling molecules found on the surface of and inside the cell.