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Medical Terminology

Nervous.

Nervous flashcards. Flip a card. Mark what you know. Come back tomorrow.

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Deck 1 of 2 · Cards 1–30 of 43

Encephal/o

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Combining form meaning brain.

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Encephalitis

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Inflammation of the brain.

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Myel/o

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Combining form meaning spinal cord (also bone marrow).

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Myelitis

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Inflammation of the spinal cord.

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Neur/o

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Combining form meaning nerve or neuron.

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Neuritis

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Inflammation of a nerve.

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Synapse

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The gap between neurons where neurotransmitters are released.

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Dendrite

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Part of a neuron where impulses begin.

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Cell body (soma)

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Central part of a neuron containing the nucleus.

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Axon

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Part of a neuron that carries impulses away from the cell body.

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Neurotransmitter

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Chemical messenger released into the synapse to transmit signals between neurons.

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Ependymal cell

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Glial cell that produces cerebrospinal fluid (CSF).

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Astrocyte

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Glial cell that provides nutrients to neurons.

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Microglia

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Glial phagocytes that engulf debris in the nervous system.

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Medulla (oblongata)

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Part of the brainstem connecting the brain and spinal cord. Contains centers regulating heart rate and respiration.

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Hypothalamus

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Brain structure deep within the brain. Acts as a control center for many biological processes. Produces oxytocin and ADH.

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Cerebellum

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Brain structure at the back of the brain that coordinates movement.

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Pituitary gland

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Endocrine gland at the base of the brain, below the hypothalamus. Secretes numerous hormones.

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Meninges

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Protective membranes covering the brain and spinal cord. Three layers: dura mater, arachnoid mater, pia mater.

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Dura mater

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Outermost layer of the meninges.

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Arachnoid mater

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Middle layer of the meninges.

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Pia mater

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Innermost layer of the meninges.

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Hypoglossal nerve (CN XII)

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12th cranial nerve. Controls tongue movement. Glosso = tongue.

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Oculomotor nerve (CN III)

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3rd cranial nerve. Controls eye movement.

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Vestibulocochlear nerve (CN VIII)

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8th cranial nerve. Involved in hearing.

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Trigeminal nerve (CN V)

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5th cranial nerve. Handles facial sensations.

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Lumbar puncture (spinal tap)

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Procedure inserting a needle between lumbar vertebrae to collect cerebrospinal fluid.

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CT scan

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An imaging procedure of the brain or body.

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Electroencephalogram (EEG)

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Recording of the electrical activity of the brain.

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Neuralgia

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Nerve pain. -algia = pain.

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Deck 1 of 2

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