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h/p neuron anatomy
| Term | Definition |
|---|---|
| also known as the soma | cell body |
| contains organelles, such as the mitochondria and lysosomes | cell body |
| gaps in the myelin sheath | nodes of ranvier |
| insulates the axon of a neuron (makes sure the electricity stays where it needs to) | myelin sheath |
| layer covering the axon | myelin sheath |
| locations on the axon that impulses to jump | nodes of ranvier |
| made of lipids and protein | myelin sheath |
| many projects on a neuron | axon terminal |
| one long projection on a neuron | axon terminal |
| produce the myelin sheath in the brain and spinal cord | oligodendrocytes |
| produce the myelin sheath in the central nervous system | oligodendrocytes |
| produce the myelin sheath in the nerves | schwann cells |
| produce the myelin sheath in the peripheral nervous system | schwann cells |
| receive electrical impulses from neighboring neurons | dendrites |
| long projection that sends messages toward another neuron | axon terminal |
| short and highly branches | dendrites |
| similar to insulation covering an electrical wire | myelin sheath |
| speeds up electrical impulses along the axon | myelin sheath |
| store neurotransmitters | synaptic bulbs |
| swellings at the end of axon terminals | synaptic bulbs |
| the fine projections at the end of the axon | axon terminals |
| where proteins and necessary molecules are produced | nucleus |
| where the axon connects to the cell body | axon hillock |
| cells that wrap around the axons repeatedly | myelin sheath |
Created by:
karla0411