Astrocytes A. all of these B. induce the formation of the blood-brain barrier C. physically support neurons D. are important in
1 answer:
Astrocytes perform the function of all of the given options i.e., induce the formation of the blood-brain barrier, physically support neurons, are important in the repair of brain injuries and in neural formation, take up excess K from the brain ECF.
- Both invertebrates and vertebrates have Astrocytes, a star-shaped cell kind of neuroglia, in their nervous systems.
- Astrocytes can be separated into protoplasmic and fibrous kinds. In the central nervous system's white matter, myelinated nerve fibers are frequently surrounded by fibrous astrocytes.
- Numerous cytoplasmic processes on astrocytes end on axons, neuronal cell bodies, blood vessels, and synaptic terminals.
b) The development of the blood-brain barrier is aided by the Astrocytes
c) Astrocytes support neurons physically and metabolically.
d) Astrocytes help in transfer of blood-borne materials to the neuron, and injury response of the brain and repair of brain injuries.
e) They also help with detoxification, migratory guidance, energy metabolism regulation and removal of excess K from brain ECF.
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The cell membrane maintains homoeostasis in the body which is the process by which cell maintains a fairly constant environment.
<h3>What is the cell membrane?</h3>The cell membrane is a lipid bilayer membrane which separates the contents of a cell from the external environment.
The correct graphical chart is as follows:
- cell membrane maintains homeostasis
- active transport requires energy
- passive transport does not require energy
- Diffusion occurs either through osmosis or facilitated diffusion
- facilitated diffusion occurs through protein channels
- Osmosis involves movement of water
- Endocytosis is the process the cell takes in substances into its inner compartment
- Exocytosis is the process the cell takes in substances into its inner compartment
- Pinocytosis is cell drinking
- Phagocytosis is cell eating
Therefore, the process by which cell maintains a fairly constant environment is called homoeostasis and is maintained by the cell membrane.
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