Wiktionary(0.00 / 0 votes)Rate this definition: steampunk(Noun) A subgenre of speculative science fiction set in an anachronistic 19th century society. steampunk(Noun) A person cosplaying as a steampunk character. steampunk(Verb) To depict in a steampunk manner.
Late-Night Salivary Cortisol. Late-night salivary cortisol is one of the most sensitive diagnostic tests for Cushingâs syndrome. Elevated cortisol between 11:00 p.m. and midnight appears to be the earliest detectable abnormality in many patients with this disorder.hree diagnostic studies are currently recommended: late-night salivary cortisol, 24 hour urine free cortisol, low-dose dexamethasone suppression. If any of these tests is abnormal, a referral to an endocrinologist is strongly encouraged.
Cortisol is a steroid hormone produced by the adrenal gland. It is released in response to ACTH (adrenocorticotropic hormone), which is produced by the pituitary gland near the brain. Adrenocorticotropic hormone stimulates the secretion of hormones by the adrenal cortex.Cortisol is the main hormone involved in stress and the âfight or flightâ response. This response is a natural and protective response to a perceived threat or danger.here are certain diseases, such as Addisonâs disease and Cushingâs disease, which affect the amount of cortisol produced by the adrenal gland. The test is used in the diagnosis of these diseases and as a way to assess the functioning of the adrenal and pituitary glands.