Common Prefixes

Without

Anaerobic (without air)

without

Aphonia (without voice or sound)

Against or apposed to

Anticoagulant

Against or apposed to

Contraception (apposed to being pregnant)

Form, down, or not

Decapitate (Separation of the head from the body)

Away from

Abnormal

To, toward, near

Adhesion

around

circumvascular (around a vessel)

Around

Periosteum (around bone)

Across or through

Dialysis (dissolution across a membrane)

Across or through

Transmission (to send across)

Out or away

edentia (condition of teeth out)

Out or away

Eccentric (away from center)

Out or away

Excise (to cut out)

Outside

Ectopic (place outside)

Outside

Exocrine (denoting secretion outside)

Outside

Extravascular

Within

Encapsulate (within little box)

Within

Endoscope (instrument for examining within)

Within

Intradermal (pertaining to within skin)

Upon

Epidermal (Pertaining to upon the skin)

Between

Intercostal (Pertaining to between the ribs)

middle

Mesomorphic (Pertaining to middle form)

Beyond, after, or change

Metastasis (beyond stopping or standing spread of disease from one part of the body to another)

Alongside or abnormal

Paramedic (pertaining to alongside of medicine)

backward or behind

retrograde (going backward)

Below or under

Sublingual (under the tongue)

Below or under

infraumbilical (below the navel)