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Fluid compartments : ウィキペディア英語版 | Fluid compartments
The human body may be conceptually divided into two major fluid compartments: the intracellular compartment and the extracellular compartment. The intracellular compartment is the space within the organism's cells; it is separated from the extracellular compartment by cell membrane. About two thirds of the human body's water is held in its cells and the remainder is found in the extracellular compartment. The extracellular fluids may be divided into three types: interstitial fluid in the "interstitial compartment" (surrounding tissue cells and bathing them in a solution of nutrients and other chemicals), blood plasma in the "intravascular compartment" (the blood vessels), and small amounts of transcellular fluid such as ocular and cerebrospinal fluids in the "transcellular compartment". The interstitial and intravascular compartments readily exchange water and solutes but the third extracellular compartment, the transcellular, is thought of as separate from the other two and not in dynamic equilibrium with them. == Intracellular compartment ==
Intracellular fluid is contained by the cell's plasma membrane, and is the matrix in which cellular organelles are suspended, and chemical reactions take place.〔W. Kapit, R. Macey, E. Meisami, ''The Physiology Coloring Book 2nd ed'' pg 1-7. Addison/Wesley/Longman, Inc. San Francisco, 2000.〕 In humans, the intracellular compartment contains on average about 28 litres of fluid, and under ordinary circumstances remains in osmotic equilibrium. It contains moderate quantities of magnesium and sulphate ions.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Fluid compartments」の詳細全文を読む
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