1
2
3
4
5
100

phas/o 

speech

100

pont/o

pons

100

synaps/o

synapt/o

point of contact; to join 
100

thec/o 

sheath( meninges) 

100

af-

toward; near

200

phob/o

fear

200

psych/o

mind

200

syncop/o

to cut off; cut short; faint

200

traumat/o 

trauma; injury; wound

200

bi-

two;both

300

phren/o 

mind

300

radicul/o

nerve root

300

tax/o 

coordination; order

300

troph/o

development; nourishment 

300

con-

together; with

400

pol/o

extreme 

400

schiz/o

split
400

tempor/o 

the temples

400

ventricul/o 

ventricle

400

dys-

painful; difficult 

500

poli/o

gray matter 

500

somat/o

body

500

thalam/o

thalamus 

500

vertebr/o

vertebrae; spinal column bones

500

ef-

out of; outside