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HOSA Medical Terminology > Prefixes > Flashcards

Prefixes Flashcards

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USMLE® Step 1 flashcards
1
Q

A-, An-

A

No, not, without

Eg. anemia, anoxia, anesthesia

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2
Q

Ab-

A

Away from

Eg. abduction

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3
Q

Ad-, Af-

A

Towards

Eg. adduction, afferent

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4
Q

Agora-

A

Marketplace, public place

Eg. agoraphobia

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5
Q

Ambi-, Amphi-

A

Around, on both sides, about

Eg. ambidextrous, amphibious

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6
Q

Ana-

A

Up, apart, backward, again, anew

Eg. anabiosis

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7
Q

Ante-

A

Before, forward

Eg. antenatal, antepartum

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8
Q

Anti-

A

Against

Eg. antipyretic, antitoxin

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9
Q

Apo-

A

Off, away

Eg. apoptosis

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10
Q

Aut-, Auto-

A

Self, own

Eg. autotroph, autism

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11
Q

Bary-

A

Weight, pressure, heavy

Eg. barycenter

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12
Q

Bi-

A

Two

Eg. bipolar, biceps brachii, biconvex

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13
Q

Brachy-

A

Short

Eg. brachycephaly, brachydactyly

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14
Q

Brady-

A

Slow

Eg. bradycardia

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15
Q

Cata-

A

Down, badly

Eg. catatonia

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16
Q

Co-, Con-

A

With, together

Eg. congenital, connective tissue

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17
Q

Contra-

A

Against, opposite

Eg. Contraception, contraindication, contralateral

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18
Q

De-

A

Lack of, down, less, removal of

Eg. dementia

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19
Q

Dia-

A

Complete, through

Eg. diagnosis, dialysis

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20
Q

Dis-

A

Apart, to separate

Eg. disjunction

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21
Q

Dorsi-

A

Back

Eg. dorsiflexion

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22
Q

Dys-

A

Bad, painful, difficult, abnormal

Eg. dysfunctional, dysphagia, dyspnea

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23
Q

Ec-, Ecto-

A

Out, outside

Eg. ectopic

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24
Q

Echo-

A

Reflected sound

Eg. echocardiogram

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25
Q

Em-, En-

A

In

Eg. empyema, encephalopathy

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26
Q

End-, Endo-

A

Within

Eg. endomysium, endocardial, endocrine

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27
Q

Epi-

A

Upon, in addition to, at

Eg. epidermis, epigastrium

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28
Q

Equi-

A

Equality, equal

Eg. equilibrium

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29
Q

Eso-

A

Inward

Eg. esophoria, esotropia, esophagus

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30
Q

Eu-

A

Good, normal

Eg. eukaryote, eucrasia

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31
Q

Ex-, Exo-

A

Out of, away from

Eg. exacerbation, exhale

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32
Q

Extra-

A

Outside

Eg. extraventricular

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33
Q

Fore-

A

Before, in front

Eg. forehead, forearm

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34
Q

Hemi-

A

Half

Eg. hemigastrectomy, hemiglossectomy

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35
Q

Heredo-

A

Heredity

Eg. hereditary

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36
Q

Holo-

A

Entire, complete

Eg. holomorphic

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37
Q

Hyper-

A

Above, excessive

Eg. hypertension, hyperacidity

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38
Q

Hypo-

A

Low, deficient

Eg. hypotension, hypothermia

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39
Q

Hypsi-

A

High, height

40
Q

In-

A

Into, in, not

Eg. in vitro

41
Q

Infra-

A

Below, beneath

Eg. infracostal, infrasternal

42
Q

Inter-

A

Between

Eg. interannular, interarticular

43
Q

Intra-

A

Within

Eg. intracordal, intrapyretic

44
Q

Ipsi-

A

Same

Eg. ipsilateral

45
Q

Ir-

A

In

46
Q

Ithy-

A

Erect, straight

Eg. ithyphallic

47
Q

Iso-

A

Same

Eg. isocellular, isocytosis

48
Q

Juxta-

A

Near

Eg. juxtaspinal

49
Q

Kern-

A

Nucleus (collection of nerve cells in brain)

50
Q

Levo-

A

Left

Eg. levorotation

51
Q

Macro-, Mega-

A

Large

Eg. macromolecule, megacephaly

52
Q

Mal-

A

Bad

Eg. maladaptive

53
Q

Meso-

A

Middle, intermediate

Eg. mesoderm, mesotarsal

54
Q

Meta-

A

Beyond

Eg. metacognition

55
Q

Multi-

A

Many

Eg. Multiple sclerosis, multicellular

56
Q

Neo-

A

New

Eg. neonatal, neoplasm

57
Q

Noci-

A

Harm, injury or pain

Eg. nociceptors

58
Q

Nomen-

A

Name

Eg. nomenclature

59
Q

Nulli-

A

None

Eg. nullipara

60
Q

Oxy-

A

Swift, sharp, acid

Eg. oxytocin

61
Q

Pachy-

A

Heavy, thick

Eg. pachydermia

62
Q

Pali-

A

Recurrence, repetition

Eg. palindrome

63
Q

Pan-

A

All

Eg. pancreas, panhysterectomy

64
Q

Par-, Para-

A

Besides, around, near, abnormal

Eg. parathyroid, paracentesis, parasalpingitis

65
Q

Per-

A

Through

Eg. period?

66
Q

Peri-

A

Surrounding

Eg. perimysium

67
Q

Platy-

A

Broad, flat

Eg. platycephalic

68
Q

Polio-

A 
Gray matter (of the spinal cord)
Eg. poliomyelitis
69
Q

Poly-

A

Many

Eg. polydactyl

70
Q

Post-

A

After, behind

Eg. postmortem, postprandial

71
Q

Pre-

A

Before, in front of

Eg. precancerous, precordium

72
Q

Primi-

A

First

Eg. primitive

73
Q

Pro-

A

In front of, before, forward

Eg. Procidentia, prognosis

74
Q

Pros-

A

Before, foward

75
Q

Pseudo-

A

False

Eg. pseudoscience

76
Q

Quadri-

A

Four, square

Eg. quadriceps

77
Q

Quasi-

A

To some degree, resembling

78
Q

Quart-

A

Four

79
Q

Quint-

A

Five

80
Q

Re-

A

Back, again, backward

Eg. rehabilitation

81
Q

Retro-

A

Backward, behind, back of

Eg. retroflexion, retrovirus

82
Q

Semi-

A

Half

Eg. semicircular canal, semilunar valves

83
Q

Sub-

A

Under, beneath, below

Eg. subcostal, subcutaneous

84
Q

Super-, Supra-

A

Above, beyond, excessive, superior

Eg. supraoccipital, superextension

85
Q

Sym-, Syn-

A

With, alongside, together, beside

Eg. symphysis pubis, syndactylism

86
Q

Tachy-

A

Fast

Eg. tachycardia

87
Q

Tetra-

A

Four

88
Q

Trans-

A

Across, over, through

Eg. transection, transfusion

89
Q

Tri-

A

Three

Eg. tricuspid, trigone

90
Q

Ultra-

A

Beyond

Eg. ultrasound

91
Q

Uni-

A

One

Eg. uniarticular, unicellular

92
Q

Xiphi-

A

Sword-shaped

Eg. xiphihumeralis

93
Q

Xylo-

A

Wood

Eg. xylum

94
Q

Xys-

A

File, scrape

Eg. xyster

95
Q

Zinco-

A

Pertaining to or containing the element zinc

HOSA Medical Terminology (3 decks)

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