directional terms
suffixes
prefixes
roots
combination
100

toward the front of the body

anterior

100

algia

pain

100

erythro

red

100

cyan

blue

100

hypertension

high blood pressure

200

farthest point from the center

distal

200

ectomy 

excision , removal of

200

brady

slow

200

cephal

head

200
dyspnea

difficult breathing

300

closest point to the midline of the body

medial

300

osis

condition

300

a/an

without ,none

300

arthro

joint

300

apnea

without breathing 

400

nearest to the trunk of the body

proximal

400

emia 

blood condition

400

hemi

half

400

arterio

artery

400

enteritis 

inflammation of the intestines

500

standing upright facing forward ,open palms and feet pointing forward

anatomical position

500

itis

inflammation

500

dys

 difficult ,abnormal

500

hepat

liver

500

cardiomyopathy 

condition of the heart muscle