Combining Forms
Prefixes
Suffixes
Medical Terms
Abbreviations
100

oste/o

What is the combining form for bone?

100
auto-

What is the prefix for self?

100

-itis

What is the suffix for inflammation?
100
inflammation of the nose

What is rhinitis?

100

BID

What is twice a day?

200

my/o

What is the combining form for muscle?

200

epi-

What is the prefix for upon?

200

-osis

What is the suffix for abnormal condition?

200

instrument for viewing the larynx

What is laryngoscope?

200

Dx, dx

What is diagnosis?

300

crani/o

What is the combining form for skull?

300

anti-

What is the prefix for against?

300

-scope

What is the suffix for instrument for viewing?

300

pertaining to fast heart

What is tachycardia?

300

NPO

What is nothing by mouth?

400

aden/o

What is the combining form for gland?

400

dys-

What is the prefix for painful, difficult, abnormal?

400

-tomy

What is the suffix for cutting into?

400

study of the lungs

What is pulmonology?
400
PRN, prn

What is as needed?

500

encephal/o

What is the combining form for brain?

500

trans-

What is the prefix for across?

500
-ectomy

What is the suffix for surgical removal of?

500

enlarment of the heart

What is cardiomegaly?

500

ss

What is half?

M
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