Prefixes 3

Pro

Before; Example: Proerythroblast; Precursor of an RBC

Re

Back; Example: Reabsorb; To absorb again

Retro

Back, behind; Example: Retrograde; Backward flow

Semi

Half; Example: Semirecumbent; Half lying supine

Sub

Under, below; Example: Subconscious; Not conscious

Super

Above, over; Example: Supercilia; The hairs on the arching protrusion over either eye

Supra

Above; Example: Supraacromial; Above the acromion

Sym

Joined, together; Example: Sympodia; Fusion of the lower extremities

Syn

Together, joined; Example: syndactyly; Webbing or joined fingers or toes

Tachy

Rapid, fast; Example: Tachycardia; Fast heart beat

Tetra

Four; Example: Tetraplegia; Quadriplegia, paralysis of all four limbs

Trans

Through, across; Example: Transseptal; Extending or performed through or across a septum

Tri

Three; Example: Trigeminy; Condition of occurring in threes, as with 3 pulse beats in rapid succession

Ultra

Beyond, excess; Example: Ultrasonic; Beyond the audible range

Uni

One; Example: Uniaxial; Giving only one axis

Meso

Middle; Example: Mesocephalon; The midbrain

Pan

Total, all; Example: Panmyelosis; Proliferation of all the elements of bone marrow

Presby

Old; Example: Presbyopia

Schizo

Division; Example: Schizophrenic

Xero

Dry; Example: Xerostomia; Dry mouth