Term
- brady-
- Meaning: Slow
- Example: Bradycardia – a slow heart rate (below 60 beats per minute).
- endo-
- Meaning: Inside, within
- Example: Endocarditis – inflammation of the inner lining of the heart.
- epi-
- Meaning: Upon, over, on top
- Example: Epicardium – the outer layer of the heart.
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Definition
- hyper-
- Meaning: Excessive, above normal
- Example: Hyperlipidemia – elevated levels of lipids in the blood.
- hypo-
- Meaning: under or below
- Example: orthostatic hypotension – low blood pressure that occurs upon standing up.
- peri-
- Meaning: Around
- Example: Pericardium – the membranous sac that contains the heart
- tachy-
- Meaning: Fast
- Example: Tachycardia – a fast heart rate (over 100 beats per minute).
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Term
- a-
- Meaning: Without
- Example: Aphasia – a condition characterized by the complete loss of ability to speak or understand language.
- an-
- Meaning: Without, not
- Example: Anencephaly – a condition where a major portion of the brain, skull, and scalp is absent.
- dys-
- Meaning: Difficult, painful, abnormal
- Example: Dysphasia – difficulty speaking.
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Definition
- hemi-
- Meaning: Half
- Example: Hemiparesis – weakness on one side of the body.
- hyper-
- Meaning: Excessive, above normal
- Example: Hyperreflexia – exaggerated reflexes.
- in-
- Meaning: Not, inward
- Example: Insomnia – inability to slee
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Term
- inter-
- Meaning: Between
- Example: Interneuron – a neuron that transmits signals between other neurons.
- intra-
- Meaning: Within, inside
- Example: Intracranial – located or occurring within the skull.
- pan-
- Meaning: All, entire
- Example: Panhypopituitarism – decreased function of all pituitary hormones, affecting the nervous system.
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Definition
- para-
- Meaning: Beside, abnormal
- Example: Paraplegia – paralysis of the lower half of the body.
- poly-
- Meaning: Many
- Example: Polyneuropathy – damage or disease affecting multiple nerves.
- post-
- Meaning: After
- Example: Postictal – the state following a seizure.
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Term
- pre-
- Meaning: Before
- Example: Presynaptic – relating to the area before a synapse.
- sub-
- Meaning: Under, below
- Example: Subdural – located beneath the dura mater, a membrane surrounding the brain and spinal cord.
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Definition
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