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What does the prefix 'Ecto' mean in medical terminology?
What does the prefix 'Ecto' mean in medical terminology?
The prefix 'Sub' means above or over.
The prefix 'Sub' means above or over.
False
What does the prefix 'Intra' signify in medical terms?
What does the prefix 'Intra' signify in medical terms?
inside or within
'Inter' refers to being ______ cells.
'Inter' refers to being ______ cells.
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Match the following prefixes with their meanings:
Match the following prefixes with their meanings:
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What condition is described as having a low blood pressure?
What condition is described as having a low blood pressure?
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Atony refers to an increase in muscle tone.
Atony refers to an increase in muscle tone.
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What does the prefix 'brady-' signify?
What does the prefix 'brady-' signify?
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The condition characterized by paralysis in one half of the body is known as ______.
The condition characterized by paralysis in one half of the body is known as ______.
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Match the prefixes with their meanings:
Match the prefixes with their meanings:
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Study Notes
Prefixes in Medical Terminology
- Prefixes: Letters placed at the beginning of a medical term to provide additional meaning.
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Position and Location: Use prefixes to indicate the position or location of a medical condition or entity.
- Intra-: Inside (intracellular)
- In/En/Endo-: Within (inhalation, encephalitis, endocarditis)
- Inter-: Between (intercellular, intercostal)
- Peri-: Around (pericarditis)
- Ec/Exo/Ecto-: Outside (ectopic pregnancy, exocytosis)
- Retro: Behind (retrosternal goiter)
- Sub/Hypo: Under (subcutaneous, hypodermis)
- Epi/Supra: Above (epigastric, epicardiac, suprarenal)
- Ad: Toward (adduction)
- Ab: Away (abduction)
- Apo: Separate (apoptosis)
Quantity Prefixes
- Indicate a quantity or multiplicity.
- Mono/Uni: Single (monocyte, unidirectional)
- Bi: Two (bilateral, binuclear cell)
- Tri: Three (tricuspid valve)
- Tetra/Quadri: Four (quadriplegia)
- Multi/Poly: Many (polycystic ovary, polyarthritis, polypharmacy)
- Semi/Hemi: Half (semiconscious, hemiplegia)
- Hypo: Lower than normal (hypotension, oligospermia)
- Oligo: Few (oligospermia, oliguria)
- Homo/Homeo: Same (homomorphic, homeostasis)
- Hetero/Allo: Different (heterotypic, allopathy)
- Schizo: Divided (schizophrenia)
- Amphi/Dipo/Ambi: Double (diplopia, ambivalent)
Negation Prefixes
- Show the absence or lack of something.
- A/An: Without (anuria, atony, anesthesia, aspermia)
- Anti/Contra: Against (antiemetic, contraception)
Time Prefixes
- Indicate the time frame or sequence of an event.
- Ante/Pre: Before (antepartum, premenstrual)
- Post: After (postpartum, postoperative, postmortem)
Color Prefixes
- Indicate color.
- Leuko/Leuco: White (leukocyte, leukemia)
- Erythro: Red (erythrocyte, erythema)
- Melano: Black (melanocyte, melanoma)
- Cyan: Blue (cyanosis)
- Cirrh: Yellow (cirrhosis)
- Chloro: Green (chloroma)
Size Prefixes
- Indicate the size of a structure or entity.
- Micro: Small (microorganism, microcardia)
- Macro/Mega/Megalo: Large (megacolon, megaloblastic anemia)
Miscellaneous Prefixes
- Include various prefixes with different meanings.
- Hydro: Water (hydrophobia, hydrocephalus)
- Noct: Night (nocturnal enuresis)
- Mal: Bad (malnutrition)
- Pseudo: False (pseudopods)
- Crypt: Hidden (cryptorchidism)
- Dys: Difficult/Painful (dysmenorrhea, dyspnea)
- Re: Again (rehydration)
- Dia/Per/Trans: Through (transfusion)
- Steno: Narrow (renal artery stenosis)
- Prime: First (prim-gravida)
- Brady: Slow (bradycardia)
- Tachy: Rapid (tachycardia)
- Iso: Equal (isosteric)
- Aniso: Unequal (anisotropic)
- Syn: Fusion (syndactyl)
- Necr: Death (necrosis)
- Neo: New (neonate)
- Auto: Self (auto-immune disease)
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Description
Test your knowledge of medical terminology prefixes with this quiz. Learn how different prefixes indicate position, location, and quantity in medical terms. Perfect for students and professionals in the healthcare field.
