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Dictionary · Word part

hem/o

A word part that means blood.

HEE-moh root

What it means

The root in many words about blood. It appears as hem-, hemo-, hemat- or hemato-, and as -emia at the end of a word. hemoglobinHEE-muh-gloh-binThe iron-containing protein in red blood cells that carries oxygen, and the blood test that measures it.hem/o bloodglobin proteinFull entry is the protein in red cells that carries oxygen, a hemorrhageHEM-uh-rijA large loss of blood from a blood vessel, inside the body or out of it.hem/o blood-rrhage bursting forthFull entry is heavy bleeding, a hematomahee-muh-TOH-muhA collection of blood, often clotted, that has leaked out of the blood vessels into the tissue.hem/o blood (here as hemat-)-oma swelling or massFull entry is a collection of blood under the skin, hematuria is blood in the urine and dialysisdy-AL-ih-sisA treatment that removes wastes and extra fluid from the blood when the kidneys can no longer do it.dia- through, apart-lysis separation, looseningFull entry is cleaning the blood with a machine.

Remember it

Hem and hemat: think "hemorrhage", blood coming out.

At a glance

Also writtenhem-, hemat-, hemat/o, hemato-, hemo-

Related terms

hemoglobin

The iron-containing protein in red blood cells that carries oxygen, and the blood test that measures it.

hemorrhage

A large loss of blood from a blood vessel, inside the body or out of it.

anemia

A lower than normal number of red blood cells or amount of hemoglobin in the blood.

hematoma

A collection of blood, often clotted, that has leaked out of the blood vessels into the tissue.

-emia

A word ending that means a condition of the blood, or something in the blood.

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