| 释义 |
hypoˈthyroidism Med.
[f. hypo- 4 + thyroid a. (n.) + -ism.]
A condition in which the level of thyroxine in the blood is abnormally low resulting in a decreased metabolic rate and which when severe causes cretinism (if the condition was congenital) and myxœdema (if acquired).
1905Gould Dict. New Med. Terms 304/1 Hypothyroidism. 1909G. Dock in Osler & McCrae Syst. Med. VI. xviii. 447 The known results of hypothyroidism or athyroidism are: 1. Congenital myxœdema... 2. Infantile myxœdema... 3. Spontaneous myxœdema of adults. 1955Sci. News Let. 24 Sept. 207/3 The tragic effects of hypothyroidism in babies, such as dwarfing and mental retardation, may be prevented by early diagnosis and adequate treatment. 1961L. Martin Clin. Endocrinol. (ed. 3) iii. 111 Transient neonatal hypothyroidism may also result from maternal overdosage with antithyroid drugs during pregnancy. 1966Wright & Symmers Systemic Path. II. xxxi. 1103/2 It is customary to refer to the milder forms as hypothyroidism and to reserve the term myxœdema for the severer clinical varieties.
Hence hypoˈthyroid, -thyˈroidic adjs.
1909G. Dock in Osler & McCrae Syst. Med. VI. xviii. 448 Many other conditions, especially certain forms of infantilism and obesity, are classed by some writers as hypothyroid states. Ibid. 455 Hypothyroid infants. 1916Med. Times (N.Y.) 7 July 207/1 The hypothyroidic eye is dull, seemingly small, apparently sunken, expressionless, in short, featurally insignificant. 1968Passmore & Robson Compan. Med. Stud. I. xxv. 18/2 The hypothyroid person is characteristically cold, sluggish and constipated and often has mild anaemia. |