Nervous system cells. Computer artwork showing neurons (nerve cells, blue), glial cells (orange) and a blood vessel (along bottom). Neurons are respon
Nervous system cells. Computer artwork showing neurons (nerve cells, blue), glial cells (orange) and a blood vessel (along bottom). Neurons are responsible for passing information around the central nervous system (CNS) and from the CNS to the rest of the body. Each nerve cell comprises a body surrounded by numerous extensions called dendrites, which collect information from other nerve cells or from sensory cells. Each neuron also has one process called an axon, which passes information to other nerve cells, or to effector cells such as muscle fibres. The axons appear segmented as they are surrounded by a myelin sheath. Glial cells provide support for the neurons. There are several types, including oligodendrocytes, which form myelin (protein that coats and insulates the axons of the nerve cells) and astrocytes, which surround and regulate synapses and supply neurons with nutrients.
Size: 3744px × 2339px
Photo credit: © HYBRID MEDICAL ANIMATION/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
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