thyr/o

• thyrotoxicosisthyro·tox·ic·osis

  1. Rootthyr/othyroid gland
  2. +Roottox/opoison
  3. +Suffix-icpertaining to
  4. +Suffix-osisabnormal condition

  the state of having too much thyroid hormone in the body, as in hyperthyroidism

• hypothyroidismhypo·thyr·oid·ism

  1. Prefixhypo-below normal, deficient, under
  2. +Rootthyr/othyroid gland
  3. +Suffix-oidresembling
  4. +Suffix-ismcondition, state

  an underactive thyroid gland that makes too little hormone, slowing the body's metabolism · In the dictionary

• hyperthyroidismhyper·thyr·oid·ism

  1. Prefixhyper-above normal, excessive
  2. +Rootthyr/othyroid gland
  3. +Suffix-oidresembling
  4. +Suffix-ismcondition, state

  an overactive thyroid gland that makes too much hormone, speeding up the body's metabolism · In the dictionary

• euthyroideu·thyr·oid

  1. Prefixeu-good, normal, well
  2. +Rootthyr/othyroid gland
  3. +Suffix-oidresembling

  having normal thyroid function, neither overactive nor underactive

• parathyroidpara·thyr·oid

  1. Prefixpara-beside, alongside
  2. +Rootthyr/othyroid gland
  3. +Suffix-oidresembling

  next to the thyroid gland; relating to the parathyroid glands beside it, which control blood calcium

• thym/othymus gland

Written for biofideX in plain words, after checking these references:

• 17.2 Word Components Related to the Endocrine System – Medical Terminology 2e
• 17.1 – Introduction to Endocrine System – Building a Medical Terminology Foundation 2e
• THYRO- Definition & Meaning - Merriam-Webster

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