Cardiovascular system
Skeletal system
Nervous system
Combining forms
Prefixes
100
EKG

electrocardiogram

100

Tendon

Bands of fibrous connective tissue that connect muscle to bone

100

Encephal/o

Brain

100

Trache/o

Trachea

100

Anti-

against; to stop

200

Where is the heart located 

In the mediastinum

200

Ossification

Formation of bone from fibrous tissue

200

Myel/o

Spinal cord and bone marrow

200

Arthr/o

Joint

200

Peri-

Around

300

Three layers of the heart

Epicardium, Endocardium, Myocardium

300

Cancellous bone

Spongy bone

300

Three types of neurons

Sensory, associative, motor

300

Seb/o

Sebum

300

Oligo-

Very little

400

Purkinje fibers

Carry impulses through the ventricular muscle, causing the ventricles to contract.

400

Meniscus

Provides additional cushioning.

400

2 major divisions

Central nervous system and peripheral nervous system.

400

Lapar/o

Abdomen

400

Dys-

Difficult; painful