hypopituitarism

hypopituitarism
/huy'poh pi tooh"i teuh riz'euhm, -tyooh"-/, n. Pathol.
1. abnormally diminished activity of the pituitary gland, esp. of the anterior lobe.
2. the condition produced by this, characterized by obesity, retention of adolescent traits, sterility, amenorrhea, and, in extreme cases, dwarfism.
[1905-10; HYPO- + PITUITAR(Y) + -ISM]

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      deficiency of pituitary hormones caused by damage to the pituitary gland. Patients may have a deficiency of one or all pituitary hormones, including vasopressin (antidiuretic hormone), the hormone of the posterior pituitary gland that controls the excretion of urine. Deficiency of all pituitary hormones is known as panhypopituitarism. Pituitary hormone deficiencies can occur as a result of pituitary disease or hypothalamic (hypothalamus) disease, with deficiency of the hypothalamic hormones that stimulate the secretion of most pituitary hormones. The causes of hypopituitarism include pituitary and hypothalamic tumours, infections, postpartum pituitary hemorrhage (Sheehan syndrome (Sheehan's syndrome)), and surgery for secreting or nonsecreting pituitary tumours (see pituitary gland).

Robert D. Utiger
 

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Universalium. 2010.

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  • hypopituitarism — [hī΄pō pi to͞o′i tə riz΄əm, hī΄pō pityo͞o′i tə riz΄əm] n. 1. deficient activity of the pituitary gland, esp. of its anterior lobe 2. the condition resulting from this, characterized by decreased growth in children or decreased activity of the… …   English World dictionary

  • Hypopituitarism — Infobox Disease Name = Hypopituitarism Caption = The pituitary gland on a plate from Gray s Anatomy (1918). The anterior lobe is on the left, and the posterior lobe on the right, both in red. DiseasesDB = 6522 ICD10 = ICD10|E|23|0|e|20,… …   Wikipedia

  • hypopituitarism — noun Etymology: International Scientific Vocabulary Date: 1909 deficient production of growth hormones by the pituitary gland • hypopituitary adjective …   New Collegiate Dictionary

  • hypopituitarism — noun A decrease in secretion of one or more of the eight hormones normally produced by the pituitary gland …   Wiktionary

  • hypopituitarism — A condition due to diminished activity of the anterior lobe of the hypophysis, with inadequate secretion, to varying degrees, of one or more anterior pituitary hormones. * * * hy·po·pi·tu·ita·rism .hī pō pə t(y)ü ət ə .riz əm, t(y)ü ə .triz …   Medical dictionary

  • hypopituitarism — n. abnormally diminished activity of the pituitary gland (Medicine) …   English contemporary dictionary

  • hypopituitarism — [ˌhʌɪpəʊpɪ tju:ɪt(ə)rɪz(ə)m] noun Medicine diminished hormone secretion by the pituitary gland, causing dwarfism and premature ageing. Derivatives hypopituitary adjective …   English new terms dictionary

  • hypopituitarism — hy·po·pi·tu·i·ta·rism …   English syllables

  • hypopituitarism — n. subnormal activity of the pituitary gland, causing dwarfism in childhood and a syndrome of impaired sexual function, pallor, and premature ageing in adult life (see Simmonds disease) …   The new mediacal dictionary

  • hypopituitarism — hy•po•pi•tu•i•ta•rism [[t]ˌhaɪ poʊ pɪˈtu ɪ təˌrɪz əm, ˈtyu [/t]] n. 1) pat deficient activity of the pituitary gland, esp. of the anterior lobe 2) pat the condition produced by this, characterized by obesity, retention of adolescent traits,… …   From formal English to slang

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