Front

Circle of Willis

Back

A circular network of arteries located at the base of the brain that provides collateral blood flow between the anterior and posterior circulations, ensuring consistent cerebral perfusion.

Front

Glial Cells

Back

Non-neuronal cells that provide support and protection for neurons, generally smaller than neurons and lacking axons and dendrites.

Front

Nucleus (in CNS)

Back

A cluster of neuron cell bodies that function together to process specific types of information in the central nervous system.

Front

Nerve

Back

A bundle of axons in the peripheral nervous system, encased in connective tissue, that transmits electrical signals between the central nervous system and the rest of the body.

Front

CSF (Cerebrospinal Fluid)

Back

A clear, colorless liquid that surrounds and cushions the brain and spinal cord.

Front

Anterior Circulation

Back

Refers to the blood supply to the front part of the brain, primarily through the internal carotid arteries.

Front

Posterior Circulation

Back

Refers to the blood supply to the back part of the brain, primarily through the vertebral and basilar arteries.

Front

Neurons

Back

Specialized cells that transmit nerve impulses; they consist of a cell body, axon, and dendrites.

Front

Axon

Back

A long, slender projection of a neuron that conducts electrical impulses away from the neuron's cell body.

Front

Dendrites

Back

Branch-like structures of a neuron that receive messages from other neurons.