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Dictionary · Word part

my/o

A word root that means muscle.

MY-oh root

What it means

The root in words about muscles. The myocardium is the heart muscle, a myocardial infarctionmy-oh-KAR-dee-ul in-FARK-shunDeath of part of the heart muscle because its blood supply is blocked; a heart attack.my/o musclecardi/o heart-al having to do withinfarct area of dead tissueFull entry is death of heart muscle, myalgia is muscle pain and myopathy is muscle disease. Do not mix it up with myel/oMY-uh-lohA word root that means spinal cord or bone marrow.Full entry , which means spinal cord or bone marrow.

At a glance

Also writtenmyo-

Easy to confuse with

myel/o

A word root that means spinal cord or bone marrow.

Related terms

myocardial infarction

Death of part of the heart muscle because its blood supply is blocked; a heart attack.

skeletal muscle

Muscle attached to bones that a person moves by choice, such as the muscles of the arms and legs.

cardiac muscle

The muscle tissue that makes up the walls of the heart.

myel/o

A word root that means spinal cord or bone marrow.

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