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Lateef Kazim

Physiology Week 7-13

TermDefinition
Dehydration is used to describe the condition that results from exces-sive loss of body water. Loss of skin resiliency or pressure often described as a loss of turgor
Edema is a classic example of fluid imbalance and may be defined as the presence of abnormally large amounts of fluid in the intercel-lular tissue spaces of the body.
Fluid Volume Excess is an expansion of fluid volume in the body. This can occur if the kidneys retain a large amount of sodium and water, as in congestive heart failure, nephrotic syndrome, renal failure, and liver failure.
Hyponatremia is a condition of decreased plasma sodium concentration below the normal range (less than 136 mEq/L). The name of this condition derives from natrium—the Latin word for sodium.
Intestinal villus. The presence of intestinal villi and microvilli increases the absorptive surface area of the intestinal mucosa.
Cephalic Phase Sensations of thoughts about food are relayed to the brainstem, where parasympathetic signals to the gastric mucosa are initiated.
Gastric Phase The presence of food, specifically the distention it causes, triggers local and parasympathetic nervous reflexes that increase secretion of gastric juice and gastrin
Bile is an interesting mixture of many different substances that is secreted by the liver and stored and concentrated by the gallbladder.
Peristalsis is a progressive type of movement in which material is propelled from point to point along the gastrointestinal (GI) tract.
Deglutition involves three main steps, or stages, that may be divided into the formation and then move-ment of a food bolus from the mouth to the stomach.
Created by: lkazim
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