Definition of ultimobranchial in English:

ultimobranchial

adjective

Zoology
  • Relating to or denoting a gland in the neck that in many lower vertebrates regulates the calcium level in the body.

    • ‘The fourth pharyngeal pouch endoderm gives rise to superior parathyroid glands and the ultimobranchial body.’
    • ‘The thyroid is characteristically U shaped and in contact with the ultimobranchial bodies which are still attached to the pharynx via a slim pedicle.’
    • ‘In the posterior part of the body, the ultimobranchial gland ends at the same level as the head kidney.’
    • ‘However, most of the cells which formed the cluster in the ultimobranchial body of snake were positive.’
    • ‘Intrathyroidal lymphoepithelial cysts are benign lesions that are strongly associated with chronic inflammatory conditions of the thyroid, and which are probably derived from ultimobranchial body remnants.’

Pronunciation

ultimobranchial

/ˌəltəmōˈbraNGkēəl/