osmoreceptor


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  • noun

Words related to osmoreceptor

sensory end organ that responds to changes in osmotic pressure

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References in periodicals archive ?
GFR, on the other hand, is influenced by volume sensors, osmoreceptors, and arterial oncotic pressure.
Age-associated changes in AVP release: We have confirmed the increased osmoreceptor sensitivity observed in other studies of aged subjects.
* Type 3: Reset osmoreceptor DI: the plasma osmolarity is abnormally high before ADH is released
With advancing age, osmoreceptor sensitivity is either maintained [2] or increased [3] while AVP release in response to standing declines [4].
|24~ showed an inadequate rise in urine osmolality after 54 h of water deprivation in elderly subjects, and suggested that there was a dysfunction of the osmoreceptor leading to inadequate AVP release.
Increased extracellular fluid tonicity influences certain osmoreceptor neurons located in the hypothalamus adjacent to the anterior and ventral portion of the third cerebral ventricle.
Gadolinium uncouples mechanical detection and osmoreceptor potential in supraoptic neurons.
Several previous studies indicated that hermitization is controlled by the activity of peripheral detectors located on head tentacles, mantle ridges, and gill surfaces, including osmoreceptors and other receptors (Freeman and Rigler, 1957; Davenport, 1979, 1981).
This increase in osmolality is recognized by the osmoreceptors located in the hypothalamus, which release antidiuretic hormone (ADH).
The hypothalamus integrates these signals with sensory information from other areas like visceral thermoreceptors and osmoreceptors to generate an effector response.
Vasopressin which is released from the posterior pituitary is triggered by osmoreceptors and baroreceptors.
Although there are a number of potent hormonal triggers controlling kidney output, such as angiotensinogen, aldosterone and atrial natruretic peptide, the 'final and precise regulation of water balance is dependent on thirst and on Anti-Diuretic Hormone (ADH) release' as stimulated by the osmoreceptors in the hypothalamus.
The mechanisms postulated by which L-dopa delays gastric emptying were stimulations of dopamine and osmoreceptors [27].
It was thought that the changes in ruminal fluid osmolality were sensed by the osmoreceptors in the rumen wall and these signals were then transported to the central nervous system (Leek and Harding, 1975).
Osmoreceptors in the patient's hypthalamus stimulated posterior pituitary gland vasopressors to release antidiuretic hormone to increase blood pressure through the renal tubules retaining water.