Definition of thyroid in English:

thyroid

noun

  • 1A large ductless gland in the neck which secretes hormones regulating growth and development through the rate of metabolism.

    [as modifier] ‘thyroid function’
    ‘thyroid hormones’
    • ‘The operative field for the thyroid gland is bound by the gland, its capsule, trachea and muscles.’
    • ‘Thyroid medicine can replace the hormone your thyroid gland usually makes.’
    • ‘Your doctor will take a tissue sample from your thyroid gland and examine it under a microscope to see if it is cancerous.’
    • ‘There are safe treatments for thyroid disorders during pregnancy.’
    • ‘EDITOR O'Reilly suggests that the role of thyroid function tests should be reassessed.’
    • ‘The publication of a reliable and practical assay for thyroid stimulating hormone was a landmark.’
    • ‘This can disrupt the work of the thyroid gland, which regulates how our bodies burn calories.’
    • ‘Being female - women are 10 times more likely to develop an overactive thyroid than men.’
    • ‘That observation suggests a third active substance is secreted by the thyroid gland.’
    • ‘Interestingly, Panax ginseng is also prescribed for low thyroid conditions.’
    • ‘Here he was given clinical facilities to continue his researches into the thyroid gland and to practise surgery of the endocrine glands.’
    • ‘In men, serum thyroid hormones were sensitive to marginal changes in energy intake and expenditure.’
    • ‘In addition to palpation of the thyroid gland, a thorough examination of the lymph glands in the head and neck should be performed.’
    • ‘There are usually four to five parathyroids attached to the lateral lobes of the thyroid gland.’
    • ‘However, this patient unfortunately died shortly after transformation of this papillary thyroid carcinoma.’
    • ‘The commonest cause of hypothyroidism is an autoimmune inflammation of the thyroid gland (thyroiditis).’
    • ‘This happens because the thyroid gland is not functioning properly.’
    • ‘In most cases the whole thyroid gland will need to be removed (total thyroidectomy).’
    • ‘When your thyroid gland produces too much of the hormone thyroxine, you develop hyperthyroidism.’
    • ‘In thyroiditis, there is inflammation of the thyroid gland from either infection or autoimmune attack.’
    1. 1.1[mass noun]An extract prepared from the thyroid gland of animals and used in treating deficiency of thyroid hormones.
      • ‘Most patients take the entire daily dose of desiccated thyroid in the morning.’
      • ‘Some patients may take thyroid preparations to achieve weight loss.’
      • ‘He was horrified that I had been taking dried animal thyroid and put me on Synthroid.’
      • ‘Other people tell us that they feel better on Armour thyroid.’
      • ‘My family physician put me on Armour thyroid, and it worked like a charm.’
      • ‘Any patient with suspected myxedema coma should be treated presumptively with thyroid hormone.’
      • ‘A month later, after he started taking thyroid extract, the life of the patient had been transformed.’
  • 2A large cartilage of the larynx, a projection of which forms the Adam's apple in humans.

    • ‘The thyroid cartilage may articulate with the hyoid bone.’
    • ‘The hyoid bone, thyroid cartilage, and cricoid cartilages are located within the central portion of the neck.’
    • ‘A sizable number of participants in this study applied pressure to the thyroid cartilage rather than the cricoid cartilage.’
    • ‘The thyroid cartilage is gently mobilized by manual distraction to either side.’
    • ‘The corpsman then palpated the thyroid cartilage and found the ‘Adam's apple’ or laryngeal prominence.’
    • ‘This procedure is occasionally coupled with suspension of the thyroid cartilage, which is performed to improve laryngeal elevation.’
    • ‘The epiglottis is a flap-like cartilage connected to the thyroid cartilage.’
    • ‘It may be long, terminating below the level of the thyroid cartilage, or short, terminating at the level of the hyoid bone.’

Origin

Early 18th century (as an adjective): from Greek (khondros) thureoeidēs shield-shaped (cartilage), from thureos oblong shield.

Pronunciation:

thyroid

/ˈθʌɪrɔɪd/