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calcium
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Is adh stimulated by another hormone the nervous system or humoral factors?
humoral
List 3 ways that hormone secretions are regulated?
There are three general mechanisms that govern the secretion or release of a hormone; humoral, hormonal, and neural. Humoral release is governed by the presence of certain ions or nutrients in the blood. For example, the amount of glucose in your blood determines whether insulin or glucagon is secreted. Hormonal release is stimulated by the presence of other hormones. An example would be thyroid stimulating hormone secreted by the anterior pituitary stimulates the production/secretion of thyroid hormone. Finally, neural release is governed by nervous system controls. The classic example of neural release is neurons from your sympathetic (fight-or-flight) nervous system determine the release of adrenaline (epinephrine) from the adrenal glands.
What hormone has a decrease in plasma calcium is the stimulus for its release?
The Parathyroid hormone has a decrease in plasma calcium. It uses a Pentagastrin as stimulation for its release.
Hormone concentration levels are most commonly controlled by?
There are three mechanisms which govern hormone release; hormonal, humoral, and neural. Hormonal release means that one hormone will trigger the release of a second hormone. An example of this would be thyroid-releasing hormone from the anterior pituitary causing the release of thyroid hormone from, er, the thyroid. Humoral release is triggered by the presence of certain ions or nutrients in the blood stream. Insulin is an example of humoral release because it is triggered by the presence of glucose in the bloodstream. Finally neural release is a release caused by the nervous system directly. A good example of that would be the release of adrenaline (epinephrine) from the adrenal glands by the sympathetic nervous system.
What are three ways in which endocrine glands are stimulated to secrete their hormones?
· Hormonal stimuli - the most common; endocrine organs are prodded into action by other hormones. Hormone release promoted by this mechanism tends to be rhythmic, with hormone blood levels rising and falling again and again · Humoral Stimuli - changing blood levels of certain ions and nutrients stimulate hormone release. Humoral refers to humor to indicate the various body fluids (blood, bile, etc). · Neural Stimuli - In isolated cases, nerve fibers stimulate hormone release, and the target cells are said to respond to neural stimulus. The classic example is sympathetic nervous system stimulation of the adrenal medulla to release norepinephrine and epinephrine during periods of stress.
What is the stimulus for release of Thyroid hormone?
Unlike some medical terminology, this one is kind of straightforward. Thyroid-stimulating hormone is what stimulates the thyroid to produce thyroid hormone.
What hormone is the most important stimulus of epiphyseal plate activity?
GROWTH hormone
What is the stimulus for insulin?
Actions of Growth Hormone.
What hormone acts as a stimulus for erythropoiesis?
erythropoietin
What is the difference between neural control and humoral control of endocrine glands?
Hormone levels can be controlled by the nervous system (neural control), by other hormones (hormonal control), or by body fluids such as the blood (humoral control).
What is the stimuli causing endocrine glands to secrete their hormones in direct response to changing blood levels of certain critical ions and nutrients are called?
Humoral stimuli cause endocrine glands to secrete their hormones in direct response to changing blood levels of certain critical ions and nutrients.
What stimulates the production of thyroxin?
Low blood calcium levels stimulate the parathyroid gland to produce parathyroid hormone (PTH). PTH stimulates the osteoclasts to break down the bone matrix releasing the trapped calcium thereby raising blood calcium levels.
