Medical terminology · Good and Bad

orth-, ortho- — Straight, normal, correct

orth-, ortho- means straight, normal, correct. Ancient Greek source words and medical terminology examples: orthodontics.

Meaning and source words

Meaning: Straight, normal, correct

• Ancient Greek: ὀρθός (orthos)

Examples and word parts

orthodontics

The correction of tooth and jaw alignment.

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Related good and bad terms

• -alge-, -algesi — Pain

  analgesia

• a-, an- — Without; lacking

  anuria

• anti- — Against

  antibody

• contra- — Against

  contraindication

• dis- — Separation, taking apart

  dislocation

• -dynia — Pain

  gastrodynia

• dys- — Difficult, abnormal

  dysphagia

• -eal, -ial — Pertaining to

  bronchial

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