2. Common prefixes – POSITION/DIRECTION
Prefix Meaning Example
inter- Between Intercostal (pertaining to between the ribs)
[cost/o = rib]
para- alongside of
or abnormal
Parathyroid
Paranoia (condition of abnormal thinking)
retro behind Retroperitonium
meta- beyond, after, Metastasis
trans- across or through Transfusion (introduction of blood or blood
components into blood stream)
7. Common prefixes – Quantity or measurement
Prefix Meaning Example
hemi- half, one side Hemisphere
(one half of a rounded structure)
semi- half, partial Semisolid
(partially solid)
oligo- few or
deficient
Oliguria (condition of deficient urine)
Poly many Poly-Cystic ovary
9. Common prefixes – Quantity or measurement
Prefix Meaning Example
pan- All Pancytopenia
hyper- excessive Hyperlipidemia (excessive fat in the
blood)
hypo- below or deficient Hypothermia
(condition of below normal temperature)
macro- large or long Macrophage
micro- small Micro-organism
ultra- beyond Ultrasonic (pertaining to beyond sound)
15. Common prefixes – Time
Prefix Meaning Example
ante- Before Antenatal (before birth)
pre- before, in front of Premature (before ripe)
pro- before, in front of Prognosis
[prediction of outcome of a disease]
post- after, behind Postmenopausal (after menopause)
brady- Slow Bradycardia (condition of slow heart)
tachy- Fast Tachycardia (condition of fast heart)
20. Common prefixes – General
Prefix Meaning Example
con- together, with Congenital ( being born with)
dys- painful, difficult, or faulty Dyspnea (condition of difficult
breathing
Dysmenorrhea
neo- New Neoplasia (a new formation)
hetero- other, different, unequal Heterochromia
25. Combining vowel
•(O) usually is the combining vowel .
•( I ) & (e ) are rarely used.
•Combining vowel is used to make pronunciation of
medical term easier.
26. Combining vowel
• A combining vowel is used to combine
1. Root & root &
electr/ o /cardi / o /gram
2. Root & suffix
Encephalogram
29. Combining form
Combining form Meaning Example
cardi/o Heart Cardiologist
Pulm(o) Lung Pulmonary infarction
aden/o Gland Adenoma (gland tumor)
lapar/o abdominal wall Laparatomy (incision into the
abdominal wall)
Gastr/o Stomach Gastric ( stomach)
30. Combining form
Combining form Meaning Example
carcin/o Cancer Carcinogenic (pertaining to production
of cancer)
hydr/o Water Hydrophobia (fear of water)
leuk/o White Leukocyte (white cell)