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Physiology
The glomerular filtration barrier is a three-layered structure composed of endothelial cells of the glomerular capillaries, the basement membrane, and the podocytes (visceral epithelial cells of Bowman's capsule). These layers work together to fil
Physiology
The primary stimulus for the secretion of Secretin is low pH in the duodenal lumen, which indicates the presence of acidic chyme.
Physiology
Activation of muscle contraction is promoted by : Opening of the sarcoplasmic reticulum Ca channel. Ca2+ binding to troponin C. Opening of Na channels Ca2+ binding to the Ca2+-ATPase