Chapter 02 Suffixes

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1

-ia, -ism, -sis, -y

condition of

2

-ia

condition of

Ex. Dementia loss of (de-) intellectual function (from L. mentis:mind)

3

-ism

condition of

Ex. racism
discrimination based on race

4

-sis

condition of

Ex. thrombosis
having a blood clot (thrombus) in a vessel

5

-y

condition of

Ex. atony
lack (a-) of muscle tone

6

-ian, -iatrics, -iatry, -ics, -ist, -logy

specialties

7

-ian

specialist in a field of study

Ex. Physician
practitioner of medicine (from root physi/o, meaning nature)

8

-iatrics

medical specialty

Ex. Pediatrics
care and treatment of children (ped/o)

9

-iatry

medical specialty

Ex. psychiatry
study and treatment of mental (phych/o) disorders

10

-ics

medical specialty

orthopedics
study and treatment of the skeleton and joints (from root ped/o meaning child and prefix ortho meaning straight)

11

-ist

specialist in a field of study

Ex. podiatrist

one who studies and treats the foor (pod/o)

12

-logy

study of

physiology
study of function in a living organism (from root physi/o, meaning nature

13

-ac, -al, -ar, -ary, -form, -ic, -ical, -ile, -oid, -ory, -ous

pertaining to
like
resembling

14

-ac

pertaining to

Ex. Cardiac
pertaining to the heart

15

-al

pertaining to

Ex. pertaining to the voice

16

-ar

pertaining to

Ex. nuclear
pertaining to nucleus

17

-ary

pertaining to

Ex. salivary
pertaining to saliva

18

-form

like or resembling

muciform
like or resembling mucus

19

-ic

pertaining to

Ex. anatomic
pertaining to anatomy

20

-ical

pertaining to

Ex. electrical
pertaining to electricity

21

-ile

pertaining to

Ex. virile
pertaining to the male or masculine

22

-oid

pertaining to

Ex. lymphoid
pertaining to lymphatic system

23

-ory

pertaining to

Ex. circulatory
pertaining to circulation

24

-ous

pertaining to

Ex. cutaneous
pertaining to skin

25

Plural
Word ending in

a

ae

Ex. vertebra becomes vertebrae

26

Plural
Word ending in

en

ina

Ex. lumen becomes lumina

27

Plural
Word ending in

ex, ix, yx

ices

Ex.
matrix becomes matrices
appendix becomes appendices
calyx becomes calices

28

Plural
Word ending in

is

es

Ex. diagnosis becomes diagnoses

29

Plural
Word ending in

ma

mata

Ex. stigma becomes stigmata

30

Plural
Word ending in

nx (anx, inx, ynx)

nges

Ex.
Phalanx becomes phalanges
Salpinx becomes salpinges
pharynx becomes pharynges

31

Plural
Word ending in

on

a

Ex. ganglion becomes ganglia

32

Plural
Word ending in

um

a

Ex. serum becomes sera

33

Plural
Word ending in

us

i

Ex. thrombus becomes thrombi

34

-ase

enzyme

Ex. lipase
enzyme that digests fat (lipid)

35

-ose

sugar

Ex. lactose
milk sugar

36

-some

body, small body

Ex. Chromosome
small body that takes up color

37

-cyte

cell

Ex. cytologist
one who studies cells

38

-nym

name

Ex. pseudonym
false name

39

-phasia

speech

Ex. heterophasia
uttering words that are different from those intended

40

-lalia

speech, babble

Ex. coprolalia
compulsive use of obscene words (copro- means “feces”)

41

-lexia

reading

Ex. bradylexia
slowness in reading

42

-plegia

paralysis

Ex. tetraplegia
paralysis of all four limbs

43

-paresis

partial paralysis

Ex. hemiparesis
partial paralysis of one side of the body

44

-lepsy

seizure

Ex. narcolepsy
condition marked by sudden episodes of sleep

45

-phobia

persistent, irrational fear

Ex. agoraphobia
fear of being in a public place (from Greek agora, meaning “marketplace”)

46

-mania

excited state, obsession

Ex. megalomania
exaggerated self-importance; “delusions of grandeur”

47

-esthesia

Sensation

Ex. Cryesthesia
sensitivity to cold

48

-algesia

Pain

Ex. Hypalgesia
decreased sensitivity to pain Prefix hyp/o

49

-osmia

sense of smell

Ex. Pseudosmia
false sense of smell

50

-geusia

sense of taste

Ex. Parageusia
abnormal (para-) sense of taste

51

-opsia

Vision

Ex. Heteropsia
unequal vision in the two eyes

52

-opia

eye, vision

Ex. Hemianopia
blindness in half the visual field

53

-emia,-hemia

condition of blood

Ex. Polycythemia
increase in cells (cyt) in the blood

54

-penia

decrease in, deficiency of

Ex. Cytopenia
deficiency of cells in the blood

55

-poiesis

formation, production

Ex. Hemopoiesis
production of blood cells

56

-pnea

Breathing

Ex. Orthopnea
breathing difficulty that is relieved by assuming an upright (ortho-) position

57

-oxia

level of oxygen

Ex. Hypoxia
decreased amount of oxygen in the tissues

58

-capnia

level of carbon dioxide

Ex. Hypercapnia
increased carbon dioxide in the tissues

59

-phonia

Voice

Ex. Dysphonia
difficulty in speaking

60

-graph

instrument for recording data

Ex. polygraph
instrument used to record many physiologic responses simultaneously; lie detector

61

-graphy

act of recording data

Ex. echography
recording data obtained by ultrasound

62

-gram

a record of data

Ex. electrocardiogram
record of the hearts electrical activity

63

-meter

instrument for measuring

Ex. calorimeter
instrument for measuring the caloric energy of food

64

-metry

measurement of

Ex. audiometry
measurement of hearing (audi/o); root metr/o means measure

65

-scope

instrument for viewing of examination

Ex. bronchoscope
instrument for examining the bronchi

66

-scopy

examination of

Ex. celioscopy
examination of the abdominal cavity (celi/o)

67

-centesis

puncture, tap

Ex. thoracentesis
puncture of the chest (thorac/o)

68

-desis

binding, fusion

Ex. pleurodesis
binding of the pleura

69

-ectomy

excision, surgical removal

Ex. hepatectomy
excision of liver tissue (hepat/o)

70

-pexy

surgical fixation

Ex. hysteropexy
surgical fixation of the uterus (hyster/o)

71

-plasty

plastic repair, plastic surgery, reconstruction

Ex. rhinoplasty
plastic surgery of the nose (rhin/o)

72

-rhaphy

surgical repair, suture

Ex. herniorrhaphy
surgical repair of the a hernia

73

-stomy

surgical creation of an opening

Ex. tracheostomy
creation of an opening into the trachea (trache/o)

74

-tome

instrument for incising (cutting)

Ex. microtome
instrument for cutting thin sections of tissue for microscopic syudy

75

-tomy

incision, cutting

Ex. laparotomy
surgical incision of the abdomen

76

-tripsy

crushing

Ex. neurotripsy
crushing of a nerve (neur/o)

77

-lytic

dissolving, reducing, loosening

Ex. thrombolytic
agent that dissolves a blood clot

78

-mimetic

mimicking, simulating

Ex. sympathomimetic
mimicking the effects of the sympathetic nervous system

79

-tropic

acting on

Ex. psychotropic
acting on the mind