Medical Prefixes

Leuk/o

White

Melan/o

Black

Cyan/o

Blue

Xanth/o

Yellow

Aden/o

Gland

Lip/o

Fat

My/o

Muscle

Carcin/o

Malignant

Osteo/o

Bone

Endo

Within, inside of

Peri

Around

Circum

Around

Retro

Behind

Epi

Upon/on top of

Trans

Through

Intra

Within

Sub

Below

Brady

Slow

Tachy

Fast

Angi/o

Vessel

Mening/o

Membranes surrounding the brain and spinal cord

Myel/o

Spinal cord

Neur/o

Nerve

Dys

Difficult, painful, abnormal

Chol/e

bile, gall

Emes/o

Vomit

Lith/o

Stone

Lapar/o

Abdominal wall

Laryng/o

Larynx

Trache/o

Trachea

Bronch/o

Lung air passageways

Hydro/o

Water

Pyle/o

Renal collecting ducts

Ur/o

Urine

Olig/o

Scanty, less than normal

Balan/o

Head of the penis

Andr/o

Male

Prostat/o

Prostate

Vas/o

Vessel, duct

Colp/o

Vagina

Men/o

Menstruation

Chordr/o

Cartilage

Arthr/o

Joint

Myel/o

Bone marrow

Ten/o, Tendin/o

tendon

Ligament/o

Ligaments

Burs/o

Bursa

A/an

Without

Micro

Small

Macro

Large

Mega

Enlarged