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Spinal fluid. The composition of the liquor is normal

The fluid is constantly circulating in the ventricles of the brain, the cerebrospinal fluid paths, the subarachnoid space of the brain and spinal cord. It protects the brain and spinal cord from mechanical effects, maintains constant intracranial pressure and water-electrolyte homeostasis. It supports trophic and metabolic processes between the blood and the brain. . The total content of liquor in the body 200 - 400 ml, normally transparent, colorless, constant specific gravity 1,006 - 1,007.
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Spinal fluid. The composition of the liquor is normal

  1. SPINAL BRAIN LIQUID
    Now, after we got acquainted with the nerve cells (the mechanism of action of which is the same for all animals) and briefly examined how these cells organized into the nervous system, which became more and more complex as evolution proceeded, until it reached the peak of its development in humans, that is, we have with you, it is time to understand the structure of the nervous system in parts. Central
  2. SPINAL BRAIN NERVES
    The spinal nerves in several respects are very different from the cranial nerves. First, its more regular location. The cranial nerves are connected unevenly with the brain, mostly in the place where the bridge connects with the medulla. In contrast, the spinal nerves exit the spinal cord at regular intervals, which makes some sense if we
  3. THE ROLE OF LIKVOR IN TRANSMISSION OF INFORMATION
    As a result of injuries in the spinal canal, numerous adhesive processes that disturb the circulation of the cerebrospinal fluid develop (3,9,14,16,17). Adequate circulation of the cerebrospinal fluid, which is involved in metabolic processes when conducting impulses along these paths, is necessary for the normal functioning of the spinal conductive pathways. Cerebrospinal fluid is an electrolyte and
  4. Water exchange is normal
    An adult consumes approximately 2500 ml of water per day, including approximately 300 ml of water formed as a result of metabolism. Water loss is about 2500 ml / day, of which 1500 ml is excreted in the urine, 800 ml evaporates (400 ml through the respiratory tract and 400 ml through the skin), 100 ml is excreted in sweat, and another 100 ml is excreted. Evaporation water losses play a very important role in
  5. Calcium metabolism is normal
    Normal daily intake of calcium is 600-800 mg. Absorption occurs mainly in the proximal small intestine. Calcium secretion is also carried out in the intestine, the rate of which is constant and does not depend on absorption. Usually up to 80% of the consumed calcium is excreted in the feces. Calcium is excreted through the kidneys, averaging 100 mg / day, and can vary from
  6. Interstitial fluid
    Normally, a very small amount of interstitial fluid is in a free state. Most of the interstitial water is chemically bound to proteoglycans, forming a gel. The pressure of the interstitial fluid is usually negative (about -5 mmHg). With increasing volume of interstitial fluid, its pressure increases. When interstitial pressure becomes positive,
  7. Intravascular fluid
    Intravascular fluid (plasma) is delimited by the endothelial lining of blood vessels. Most electrolytes (mostly small-sized ions) freely pass through the endothelium, which explains the almost identical electrolyte composition of the plasma and interstitial fluid. At the same time, tight contacts of endothelial cells prevent the release of plasma proteins beyond the limits of the vascular bed.
  8. Potassium exchange is normal
    Normally, an adult consumes an average of 80 mEq of potassium per day (from 40 to 140 mEq). About 70 mEq of potassium is excreted in the urine, 10 mEq through the gastrointestinal tract. Renal excretion of potassium ranges from 5 meq / l to 100 meq / l. Almost all potassium filtered by the glomeruli is reabsorbed in the proximal tubule and the loop of Henle. Excretion of potassium in the urine occurs due to
  9. Magnesium exchange is normal
    Magnesium consumption by an adult on average is 20-30 meq / day (240-370 mg / day). Only 30–40% of this amount is absorbed, mainly in the distal small intestine. Magnesium excretion is mainly carried out by the kidneys and averages 6–12 mEq / day. Magnesium reabsorption in the kidneys is extremely effective: 25% of magnesium is filtered in the glomeruli.
  10. Cerebrospinal fluid
    Cerebrospinal fluid is located in the ventricles and cisterns of the brain, as well as in the sub-arachnoid space of the central nervous system. The main function of cerebrospinal fluid is to protect the brain from injury. Most of the cerebrospinal fluid is produced in the choroid plexus of the ventricles of the brain (mainly in the lateral). A certain amount is formed directly in the cells of the ependyma of the ventricles,
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