thyroid


Concise Oxford English Dictionary © 2008 Oxford University Press:
thyroid /ˈθʌɪrɔɪd/
noun
  • 1 (also thyroid gland) a large ductless gland in the neck which secretes hormones regulating growth and development through the rate of metabolism.

    ■ an extract prepared from the thyroid gland of animals and used in treating deficiency of thyroid hormones.

  • 2 (also thyroid cartilage) a large cartilage of the larynx, a projection of which forms the Adam's apple in humans.
– origin C18: from Gk (khondros) thureoeidēs ‘shield-shaped (cartilage)’, from thureos ‘oblong shield’.
'thyroid' also found in these Oxford entries:

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