Medical Terminology Reference
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| Use this reference to see how common medical terms are created using the various prefixes, suffixes, and root words. |
hallucinogen
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Prefix:
Prefix Definition:
1st Root Word: hallucin/o
1st Root Definition: hallucination
2nd Root Word:
2nd Root Word Definition:
Suffix: -gen
Suffix Definition: substance that produces
Definition: substance that produces hallucinations |
hallucinosis
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Prefix:
Prefix Definition:
1st Root Word: hallucin/o
1st Root Definition: hallucination
2nd Root Word:
2nd Root Word Definition:
Suffix: -osis
Suffix Definition: condition, usually abnormal
Definition: abnormal condition characterized by hallucinations |
hematemesis
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Prefix:
Prefix Definition:
1st Root Word: hemat/o
1st Root Definition: blood
2nd Root Word:
2nd Root Word Definition:
Suffix: -emesis
Suffix Definition: the action or process of vomiting
Definition: vomiting blood |
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hematology
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Prefix:
Prefix Definition:
1st Root Word: hemat/o
1st Root Definition: blood
2nd Root Word:
2nd Root Word Definition:
Suffix: -logy
Suffix Definition: study (process of)
Definition: study of blood diseases, functions… |
hematoma
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Prefix:
Prefix Definition:
1st Root Word: hemat/o
1st Root Definition: blood
2nd Root Word:
2nd Root Word Definition:
Suffix: -oma
Suffix Definition: tumor; mass; fluid collection
Definition: swelling that is filled with blood |
hematopoiesis
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Prefix:
Prefix Definition:
1st Root Word: hemat/o
1st Root Definition: blood
2nd Root Word:
2nd Root Word Definition:
Suffix: -poiesis
Suffix Definition: formation
Definition: formation of blood or blood cells |
hematuria
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Prefix:
Prefix Definition:
1st Root Word: hemat/o
1st Root Definition: blood
2nd Root Word:
2nd Root Word Definition:
Suffix: -uria
Suffix Definition: urination; condition of urine
Definition: condition of blood in the urine |
hemiparesis
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Prefix: hemi-
Prefix Definition: half
1st Root Word:
1st Root Definition:
2nd Root Word:
2nd Root Word Definition:
Suffix: -paresis
Suffix Definition: weakness
Definition: weakness; paralysis restricted to one side |
hemiplegia
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Prefix: hemi-
Prefix Definition: half
1st Root Word:
1st Root Definition:
2nd Root Word:
2nd Root Word Definition:
Suffix: -plegia
Suffix Definition: paralysis; palsy
Definition: paralysis of one side |
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hemispherectomy
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Prefix: hemi-
Prefix Definition: half
1st Root Word:
1st Root Definition:
2nd Root Word:
2nd Root Word Definition:
Suffix: -ectomy
Suffix Definition: removal; excision; resection
Definition: removal; excision; resection of half the brain |
hemochromatosis
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Prefix:
Prefix Definition:
1st Root Word: hem/o
1st Root Definition: blood
2nd Root Word: chrom/o
2nd Root Word Definition: color
Suffix: -osis
Suffix Definition: condition, usually abnormal
Definition: abnormal blood disorder causing the body to absorb excessive
amounts of iron |
hemoglobin
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Prefix:
Prefix Definition:
1st Root Word: hem/o
1st Root Definition: blood
2nd Root Word:
2nd Root Word Definition:
Suffix: -globin
Suffix Definition: protein
Definition: a protein of red blood cells that transports oxygen |
hemolysis
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Prefix:
Prefix Definition:
1st Root Word: hem/o
1st Root Definition: blood
2nd Root Word:
2nd Root Word Definition:
Suffix: -lysis
Suffix Definition: breakdown; separation; destruction; loosening
Definition: breakdown; separation; destruction; loosening of red blood cells |
hemophilia
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Prefix:
Prefix Definition:
1st Root Word: hem/o
1st Root Definition: blood
2nd Root Word:
2nd Root Word Definition:
Suffix: -philia
Suffix Definition: attraction for
Definition: abnormal blood clot disorder; attraction for blood |
hemopoiesis
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Prefix:
Prefix Definition:
1st Root Word: hem/o
1st Root Definition: blood
2nd Root Word:
2nd Root Word Definition:
Suffix: -poiesis
Suffix Definition: formation
Definition: formation of blood cells |
hemoptysis
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Prefix:
Prefix Definition:
1st Root Word: hem/o
1st Root Definition: blood
2nd Root Word:
2nd Root Word Definition:
Suffix: -ptysis
Suffix Definition: spitting
Definition: spitting up blood |
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hemorrhage
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Prefix:
Prefix Definition:
1st Root Word: hem/o
1st Root Definition: blood
2nd Root Word:
2nd Root Word Definition:
Suffix: -rrhage
Suffix Definition: bursting forth (of blood)
Definition: bursting forth of blood from a ruptured blood vessel |
hemostasis
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Prefix:
Prefix Definition:
1st Root Word: hem/o
1st Root Definition: blood
2nd Root Word:
2nd Root Word Definition:
Suffix: -stasis
Suffix Definition: to stop; control; place
Definition: to stop; control the flow of blood |
hepatic
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Prefix:
Prefix Definition:
1st Root Word: hepat/o
1st Root Definition: liver
2nd Root Word:
2nd Root Word Definition:
Suffix: -ic
Suffix Definition: pertaining to
Definition: pertaining to the liver |
hepatitis
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Prefix:
Prefix Definition:
1st Root Word: hepat/o
1st Root Definition: liver
2nd Root Word:
2nd Root Word Definition:
Suffix: -itis
Suffix Definition: inflammation
Definition: inflammation of the liver |
hepatobiliary
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Prefix:
Prefix Definition:
1st Root Word: hepat/o
1st Root Definition: liver
2nd Root Word:
2nd Root Word Definition:
Suffix: -biliary
Suffix Definition: pertaining to the gallbladder and bile ducts
Definition: pertaining to the liver, gallbladder and bile ducts |
hepatoblastoma
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Prefix:
Prefix Definition:
1st Root Word: hepat/o
1st Root Definition: liver
2nd Root Word:
2nd Root Word Definition:
Suffix: -blastoma
Suffix Definition: immature tumor (cells)
Definition: tumor cells that originate in the liver |
hepatocyte
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Prefix:
Prefix Definition:
1st Root Word: hepat/o
1st Root Definition: liver
2nd Root Word:
2nd Root Word Definition:
Suffix: -cyte
Suffix Definition: cell
Definition: liver cell |
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hepatology
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Prefix:
Prefix Definition:
1st Root Word: hepat/o
1st Root Definition: liver
2nd Root Word:
2nd Root Word Definition:
Suffix: -logy
Suffix Definition: study (process of)
Definition: study of the liver |
hepatoma
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Prefix:
Prefix Definition:
1st Root Word: hepat/o
1st Root Definition: liver
2nd Root Word:
2nd Root Word Definition:
Suffix: -oma
Suffix Definition: tumor; mass; fluid collection
Definition: tumor of the cells in the liver |
hepatomegaly
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Prefix:
Prefix Definition:
1st Root Word: hepat/o
1st Root Definition: liver
2nd Root Word:
2nd Root Word Definition:
Suffix: -megaly
Suffix Definition: enlargement
Definition: enlarged liver |
hepatosplenomegaly
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Prefix:
Prefix Definition:
1st Root Word: hepat/o
1st Root Definition: liver
2nd Root Word: splen/o
2nd Root Word Definition: spleen
Suffix: -megaly
Suffix Definition: enlargement
Definition: concurrent enlargement of the liver and spleen |
heterogeneous
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Prefix:
Prefix Definition:
1st Root Word: heter/o
1st Root Definition: other; another; different
2nd Root Word: gen/o
2nd Root Word Definition: birth; production; formation; kind
Suffix: -ous
Suffix Definition: pertaining to
Definition: originating outside the organism |
histology
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Prefix:
Prefix Definition:
1st Root Word: hist/o
1st Root Definition: tissue
2nd Root Word:
2nd Root Word Definition:
Suffix: -logy
Suffix Definition: study (process of)
Definition: study of tissues |
homeopathy
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Prefix:
Prefix Definition:
1st Root Word: home/o
1st Root Definition: sameness; unchanging; constant
2nd Root Word:
2nd Root Word Definition:
Suffix: -pathy
Suffix Definition: disease; emotion
Definition: treatment of disease using minute doses of drugs that would
otherwise produce symptoms of disease |
homeostasis
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Prefix:
Prefix Definition:
1st Root Word: home/o
1st Root Definition: sameness; unchanging; constant
2nd Root Word:
2nd Root Word Definition:
Suffix: -stasis
Suffix Definition: to stop; control; place
Definition: seek and maintain an equilibrium within an internal environment |
humerus
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Prefix:
Prefix Definition:
1st Root Word: humer/o
1st Root Definition: humerus
2nd Root Word:
2nd Root Word Definition:
Suffix: -us
Suffix Definition: structure; thing
Definition: long bone from the shoulder to the elbow of the arm |
hydroadipsia
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Prefix:
Prefix Definition:
1st Root Word: hydr/o
1st Root Definition: water
2nd Root Word: dips/o
2nd Root Word Definition: thirst
Suffix: -ia
Suffix Definition: condition
Definition: condition of being thirsty for water |
hydrocele
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Prefix:
Prefix Definition:
1st Root Word: hydr/o
1st Root Definition: water
2nd Root Word:
2nd Root Word Definition:
Suffix: -cele
Suffix Definition: hernia; swelling
Definition: accumulation of serous fluid in a body sac |
hydrocephalus
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Prefix:
Prefix Definition:
1st Root Word: hydr/o
1st Root Definition: water
2nd Root Word: cephal/o
2nd Root Word Definition: head
Suffix: -us
Suffix Definition: structure; thing
Definition: accumulation of fluid in the brain |
hydrophobia
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Prefix:
Prefix Definition:
1st Root Word: hydr/o
1st Root Definition: water
2nd Root Word:
2nd Root Word Definition:
Suffix: -phobia
Suffix Definition: fear
Definition: fear of water |
hydrophobic
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Prefix:
Prefix Definition:
1st Root Word: hydr/o
1st Root Definition: water
2nd Root Word: phob/o
2nd Root Word Definition: fear
Suffix: -ic
Suffix Definition: pertaining to
Definition: pertaining to the fear of water |
hydrophyte
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Prefix:
Prefix Definition:
1st Root Word: hydr/o
1st Root Definition: water
2nd Root Word:
2nd Root Word Definition:
Suffix: -phyte
Suffix Definition: plant
Definition: plant that only grows in or on water |
hydrotherapy
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Prefix:
Prefix Definition:
1st Root Word: hydr/o
1st Root Definition: water
2nd Root Word:
2nd Root Word Definition:
Suffix: -therapy
Suffix Definition: treatment
Definition: treatment for conditions using exercise in the water |
hyperemesis
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Prefix: hyper-
Prefix Definition: above; excessive
1st Root Word:
1st Root Definition:
2nd Root Word:
2nd Root Word Definition:
Suffix: -emesis
Suffix Definition: vomiting
Definition: excessive vomiting |
hypergeusia
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Prefix: hyper-
Prefix Definition: above; excessive
1st Root Word:
1st Root Definition:
2nd Root Word:
2nd Root Word Definition:
Suffix: -geusia
Suffix Definition: taste
Definition: abnormally heightened sense of taste |
hyperglycemia
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Prefix: hyper
Prefix Definition: above; excessive
1st Root Word: glyc/o
1st Root Definition: glucose; sugar
2nd Root Word:
2nd Root Word Definition:
Suffix: -emia
Suffix Definition: blood condition
Definition: excess of glucose in the bloodstream |
hyperglycemic
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Prefix: hyper
Prefix Definition: above; excessive
1st Root Word: glyc/o
1st Root Definition: glucose; sugar
2nd Root Word:
2nd Root Word Definition:
Suffix: -ic
Suffix Definition: pertaining to
Definition: pertaining to high blood sugar |
hyperhidrosis
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Prefix: hyper
Prefix Definition: above; excessive
1st Root Word: hidr/o
1st Root Definition: sweat
2nd Root Word:
2nd Root Word Definition:
Suffix: -osis
Suffix Definition: condition, usually abnormal
Definition: disorder marked by excessive sweating |
hyperkalemia
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Prefix: hyper
Prefix Definition: above; excessive
1st Root Word: kal/i
1st Root Definition: potassium
2nd Root Word:
2nd Root Word Definition:
Suffix: -emia
Suffix Definition: blood condition
Definition: potassium level in blood that’s higher than normal |
hyperplasia
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Prefix: hyper
Prefix Definition: above; excessive
1st Root Word:
1st Root Definition:
2nd Root Word:
2nd Root Word Definition:
Suffix: -plasia
Suffix Definition: development; formation
Definition: abnormal increase in volume of a tissue or organ caused by the
formation and growth of new normal cells |
hypertension
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Prefix: hyper
Prefix Definition: above; excessive
1st Root Word:
1st Root Definition:
2nd Root Word:
2nd Root Word Definition:
Suffix: -tension
Suffix Definition: pressure
Definition: abnormally high blood pressure |
hyperthermia
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Prefix: hyper
Prefix Definition: above; excessive
1st Root Word: therm/o
1st Root Definition: heat
2nd Root Word:
2nd Root Word Definition:
Suffix: -ia
Suffix Definition: condition
Definition: condition of having a body temperature greatly above normal |
hypodermic
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Prefix: hypo-
Prefix Definition: deficient; below; under; less than normal
1st Root Word: derm/o
1st Root Definition: skin
2nd Root Word:
2nd Root Word Definition:
Suffix: -ic
Suffix Definition: pertaining to
Definition: pertaining to the region immediately beneath the skin |
hypogeusia
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Prefix: hypo-
Prefix Definition: deficient; below; under; less than normal
1st Root Word:
1st Root Definition:
2nd Root Word:
2nd Root Word Definition:
Suffix: -geusia
Suffix Definition: taste
Definition: decreased sensitivity to taste |
hypovolemia
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Prefix: hypo-
Prefix Definition: deficient; below; under; less than normal
1st Root Word:
1st Root Definition:
2nd Root Word:
2nd Root Word Definition:
Suffix: -volemia
Suffix Definition: blood volume
Definition: decreased volume of circulating blood in the body |
hysterectomy
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Prefix:
Prefix Definition:
1st Root Word: hyster/o
1st Root Definition: uterus; womb
2nd Root Word:
2nd Root Word Definition:
Suffix: -ectomy
Suffix Definition: removal; excision; resection
Definition: surgical removal of all or part of the uterus |
hysteroptosis
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Prefix:
Prefix Definition:
1st Root Word: hyster/o
1st Root Definition: uterus; womb
2nd Root Word:
2nd Root Word Definition:
Suffix: -ptosis
Suffix Definition: droop; sag; prolapse; protrude
Definition: prolapse of the uterus |
