Medical terminology · Numbers and Amounts

tetra- — Four

tetra- means four. Ancient Greek source words and medical terminology examples: tetraplegia.

Meaning and source words

Meaning: Four

• Ancient Greek: τέσσαρες (tessares)

Examples and word parts

tetraplegia

Paralysis affecting all four limbs.

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Related numbers and amounts terms

• bi- — Two

  bilateral

• brady- — Slow

  bradycardia

• diplo- — Double

  diplopia

• hemi- — Half

  hemisphere

• homo- — Same

  homogeneous

• hyper- — Above, beyond, excessive

  hyperthermia

• hypo- — Under, deficient

  hypothermia

• iso- — Equal, like

  isometric

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