Astrocytes are specialized glial cells found in the brain and spinal cord, they are responsible for maintaining the electrolytic composition of the cerebrospinal fluid, induce the formation of the blood-brain barrier and act as a support and guide for neurons during migration. They keep the ionic composition of the extracellular fluid of the central nervous system through the water channels, Aquaporin-4 (AQP4) and K channels, located in the pedicle processes of the astrocytes in the perivascular space, these cells exchange K and water in said perivascular medium away from the neurons. Astrocytes selectively edematize during hypotonic stress, while neurons do not.
<span>The appropriate response is A. Lamarck is best known for his Theory of Inheritance of Acquired Characteristics, first exhibited in 1801. In the event that a life form changes amid life with a specific end goal to adjust to its condition, those progressions are passed on to its posterity.</span>
