Also found in: Thesaurus, Medical, Wikipedia.
Related to autoregulation: heterometric autoregulation
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.autoregulation - (physiology) processes that maintain a generally constant physiological state in a cell or organismautoregulation - (physiology) processes that maintain a generally constant physiological state in a cell or organism
physiology - the branch of the biological sciences dealing with the functioning of organisms
biological process, organic process - a process occurring in living organisms
References in periodicals archive ?
Harper demonstrated that cerebral vasodilation secondary to hypercapnia can abolish autoregulation and render the cerebral circulation pressure-passive (26).
will make a presentation titled: Autoregulation and Vasoconstriction: Foundation for a New Generation of Blood Substitutes, at the American Society of Hematology (ASH) 44th Annual Meeting on Monday, December 9, 2002 at 9:00 a.
If autoregulation is impaired, then cerebral perfusion pressure is not maintained and cerebral blood flow can become pressure passive.
The initial response of the RV to an acute increase in PVR is to rapidly increase its contractile state (homeometric autoregulation or Anrep effect).
The system, using a combination of electronic and fiberoptic technologies, displays clinical indices including autoregulation status, vasoreactivity and cerebrovascular resistance, and is intended for use by neurosurgeons and neurosurgical intensive care specialists.
Eight participants reported planned noncompliance or autoregulation.
Autoregulation of renal and splanchnic blood flow following infra-renal aortic clamping is mediated by nitric oxide and vasodilator prostanoids.
7,16,35,37] Both decreased intracranial compliance and impaired cerebral blood flow autoregulation contribute to decreased intracranial adaptive capacity.
In early septic shock, autoregulation of microcirculatory mucosal blood flow is largely intact and blood seems to be diverted from the muscularis towards the mucosa (11).
7,24] These conditions contribute to development of a cascade of cellular and metabolic alterations that eventually result in loss of cerebral autoregulation, impaired perfusion, and ischemia.
In the majority of head-injured patients, CBF and metabolic rate are uncoupled due to loss of cerebral autoregulation.
2,3,4] In addition, there is mounting evidence that autoregulation remains intact in many cases of TBI.

Full browser ?