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A&P - Nervous Tissue

Nervous Tissue

CNS Central Nervous System - Brain and Spinal Cord . Responsible for Analysis of Information
PNS Peripheral Nervous System - Cranial and Spinal Nerves connecting to muscles, glands and receptors
Cell Types Neurons (Nerve Cells) and Glial Cells (Support/Caretaker Cells)
Neurons Receive information and communicate to other neurons, muscles or glands
Anatomy of Neurons (Nerve Cell) Cell Body (Soma), Nucleus, Dendrites, Axon, neurofibrils, and Axon Terminals
Dendrites The "Antenna". Receives input from neurons and conducts impulses TOWARD THE CELL BODY
Axon The "Telephone Line". receives input from the dendrites and conducts impulses AWAY FROM THE CELL BODY
Axon Terminals Branches and bulbs at the end of the axon. Synapses onto other nerve cells.
Neurofibrils Provide structural support for the Axon
Glial Cells Support/Caretaker Cells. Include Schwann Cell and Astrocytes
Schwann Cells Produce Myelin which wrap around the axon and speeds up transmission of the nerve signal
Astrocytes Regulation of neurons in the CNS. Regulates blood flow in the brain, maintains composition of fluid and communication between neurons.
Created by: kdelacosta