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ACTH Definition

ACTH

noun

a polypeptide hormone of the anterior part of the pituitary gland that stimulates hormone production of the adrenal cortex

Etymology: a(dreno)c(ortico)t(ropic) h(ormone)

ACTH Usage Examples

Converse of object

  • measure: Measuring both ACTH and cortisol can help to differentiate among some of these conditions.
  • produce: The pituitary also produces ACTH and growth hormone, which have significant metabolic effects.

Adjective modifier

  • ectopic: The 0900h cortisol after 48 hours is considered to be the best parameter to use to discriminate between Cushing's disease and ectopic ACTH.
  • excess: A petrosal: peripheral ratio of 2, indicating excess ACTH from the pituitary, is necessary to diagnose Cushing's disease with confidence.
  • normal: In a normal person ACTH shows a maximum increase at 30 min and cortisol a maximum increase at 60 min.
  • much: When too much ACTH is produced, the adrenal glands produce too much cortisone.

Modifies a noun

  • level: This is due to raised ACTH levels, which stimulate pigment cells ( melanocytes ) in the skin.
  • stimulation: This means close observation at home and ACTH stimulation tests every 3-6 months.

Noun used with modifier

  • plasma: Figure 4. [ below ] Linear regression of plasma ACTH following fasting stress on daily fatigue severity rating.
  • hormone: The hormone ACTH is naturally produced by the body from the head hormone gland called the pituitary.
  • blood: High blood ACTH and low cortisol levels are characteristic of Addison's.

Browse dictionary entries near ACTH

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