Prefix/Directional Terms
Suffix
Word Root
Not Built AND Built from Word Parts
Complementary Terms, Abbreviations, Surgical/Diagnostic
100

Absence of, without

A- or An-

100
Pain

-algia

100

Spinal cord

Myel/o

100

pertaining to the cerebrum, state of a clot or plug

Cerebral embolism

100

process of recording the spinal cord

CT Myelography

200

Surrounding, outer

Peri-

200

Treatment, specialty

-iatry

200

Gray matter

Poli/o

200

Softening of the brain

Encephalomalacia

200

occurring between seizures or attacks

Interictal

300

within

Endo-

300

Slight paralysis

-paresis

300

Head

Cephal/o

300

tumor of the meninges

Meningioma

300

tube implanted in the body to redirect the flow of fluid

Shunt

400

towards the midline

Medial

400

Inflammation

-itis

400

Sensation, sensitivity, feeling

Esthesi/o

400

interruption of blood supply to the brain

Stroke

400
incision into a nerve root

Rhizotomy

500

closer to the point of attachment

proximal

500

Surgical repair

-plasty

500
Mind

Psych/o

500

condition characterized by a lack of muscle control and partial paralysis

cerebral palsy

500

lack of muscle coordination

ataxia