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Glia, also called glial cells (gliocytes) or neuroglia, are non-neuronal cells in the central nervous system (the brain and the spinal cord) and in the peripheral nervous system that do not produce electrical impulses. The neuroglia make up more than one half the volume of neural tissue in the human body. [1]
Brain cells make up the functional tissue of the brain. The rest of the brain tissue is the structural stroma that includes connective tissue such as the meninges , blood vessels , and ducts. The two main types of cells in the brain are neurons , also known as nerve cells, and glial cells , also known as neuroglia. [ 1 ]
However, populations of NGF cells which do not express NPY have been reported in both cortical layer I [3] and the striatum. [ 4 ] Developmentally, in the cortex, all NGF cells are derived from caudal ganglionic eminence (CGE) but NGF cells of the hippocampus have their origins within both the CGE and the medial ganglionic eminence (MGE).
From specific areas of the brain right down to your neurons. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach us. Sign in. Mail. 24/7 Help. For ...
Oligodendrocytes are a type of glial cell, non-neuronal cells in the central nervous system.They arise during development from oligodendrocyte precursor cells (OPCs), [8] which can be identified by their expression of a number of antigens, including the ganglioside GD3, [9] [10] [11] the NG2 chondroitin sulfate proteoglycan, and the platelet-derived growth factor-alpha receptor subunit (PDGF ...
Nervous tissue, also called neural tissue, is the main tissue component of the nervous system.The nervous system regulates and controls body functions and activity. It consists of two parts: the central nervous system (CNS) comprising the brain and spinal cord, and the peripheral nervous system (PNS) comprising the branching peripheral nerves.
Cognitive function is multifaceted and includes how quickly your brain can process information, memory, language and executive function—which includes the ability to plan, focus and switch ...
These cells (and other neuroglia including astrocytes) are distributed in large non-overlapping regions throughout the CNS. [5] [6] Microglia are key cells in overall brain maintenance – they are constantly scavenging the CNS for plaques, damaged or unnecessary neurons and synapses, and infectious agents. [7]