Nervous System and Related Concepts

Front

Central Nervous System (CNS)

Back

The part of the nervous system consisting of the brain and spinal cord.

Front

Peripheral Nervous System (PNS)

Back

The part of the nervous system outside the CNS, including nerves and ganglia.

Front

Neuron

Back

The primary cell type of the nervous system that transmits electrical signals.

Front

Glial Cells (Neuroglia)

Back

Supportive cells in the nervous system that assist neurons.

Front

Myelin Sheath

Back

A fatty covering around axons that speeds up electrical signal transmission.

Front

Axon

Back

The long projection of a neuron that carries signals away from the cell body.

Front

Dendrites

Back

Branch-like structures on neurons that receive signals from other neurons.

Front

Synapse

Back

The junction between two neurons where communication occurs via neurotransmitters.

Front

Thalamus

Back

A brain structure that relays sensory and motor signals to the cerebral cortex.

Front

Hypothalamus

Back

A part of the brain that controls autonomic functions, including hormone release.