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The brain and the spinal cord together make up what is known as the?
The brain and spinal cord are the two components of the Central Nervous System, and the CNS is composed of mostly neurons, with oligodendrocytes to provide myelin sheaths, microglia as immune cells, and astrocytes for general support. Other cell types (ependymal cells, radial glia) also exist in isolated locations.
Do neurotransmitters form the myelin sheath?
No, not at all. The myelin sheaths are actually made by other living cells in the nervous system known as glia. Two types of glia myelinate the nervous system: oligodendrocytes and Schwann cells. The oligodendrocytes for myelin in the central nervous system (brain and spinal cord) and the Schwann cells form myelin in the peripheral nervous system (everything outside the brain and spinal cord).
What are parts of the nervous system?
The nervous system is composed of several basic cell types, including nerve cells called neurons, interstitial cells called neurolemma (cells of Schwann), satellite cells, oligodendroglia, and astroglia; and several connective-tissue cell types, including fibroblasts and microglia, blood vessels, and extracellular fluids.
What is formed from neural crest cells?
Neural crest cells give rise to various cell types including neurons, glial cells, melanocytes, and cells of the peripheral nervous system. They also contribute to structures such as bones, cartilage, and connective tissue in several regions of the body.
Types of cells in the nervous system?
neurons or nerve cells
What tissue are in the nervous system?
the brain,spinal cord and the nerves
What are the different types of the nervous systems?
Central Nervous System (brain and spinal cord)Autonomic Nervous System (nerves and ganglia)Peripheral Nervous System (outside the brain and spinal cord)
What are 2 types of cells in the nervous system?
Neurons and Synapse
What are the 4 nerve cell in your body?
There are many types of cells associated with the nervous system. Examples are:Neurons (the functional unit of nervous system). There are many types of neurons as well.OligodendrocyteSchwann cells
What are specialized cells that do all the support activities for the nervous system?
Neuroglia are the supporting cells of the NS. There are four types in the central nervous system (CNS) and two types in the peripheral nervous system (PNS). They all have functions that contribute to the overall health of neuron cells.
What types of cells if damaged or injured does not reproduce itself and it lost forever?
Neurons in the central nervous system, such as in the brain and spinal cord, do not typically regenerate themselves if damaged or injured. Once these cells are lost, they are not replaced through cell division, making them more challenging to repair compared to other cell types.
What are the four types of nervous systems?
there are four types of nervous system1-central nervous system2-paripheral nervous system3-somatic nervous system4-autonomic nervous systemyes of course the are four major types that transmits our impulses.
