Definitions

from The Century Dictionary.

  • noun A complex substance containing iodine, obtained from the thyroid gland, in which it exists in combination with a globulin as thyreoglobulin. Together with another albuminous substance belonging to the nucleoproteids thyreoglobulin forms the colloid substance of the gland. Also thyro-iodine.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Physiol. Chem.) A peculiar substance obtained from the thyroid gland, containing from nine to ten per cent of iodine.

Etymologies

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Examples

  • The colloid material contains an iodine compound, iodothyrin, and is readily stained by eosin.

    XI. Splanchnology. 4. The Ductless Glands 1918

  • The secretion of the gland is absorbed into the general circulation through the veins; it consists of a complex colloid substance which contains an iodine-albumin -- iodothyrin -- and plays an important part in maintaining the normal metabolism of the body, particularly of the central nervous and cutaneous tissues in adults, and of the bones in children.

    Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. Alexander Miles 1893

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