It occurs when the original effect of the stimulus is reduced by the output. In human endocrine system: The nature of endocrine regulation …are controlled by a simple negative feedback mechanism. In positive feedback the opposite happens. A positive feedback mechanism is the exact opposite of a negative feedback mechanism. Negative feedback loops play an important role in how many of the systems of the human body stay in control. An important example of the negative feedback loop is seen in control of thyroid hormone secretion. Due to positive and negative feedback, our body will be in homeostasis. In negative feedback, the hormone's effect makes a gland stop making hormones. Positive and negative don't imply consequences of the feedback have positive or negative final effect. _o3a_p> _o3a_p> Negative Feedback Instances of positive feedback certainly occur, but negative feedback is much more common. The negative feedback loop tends to slow down a process, while the positive feedback loop tends to accelerate it. Positive feedback is like praising a person for a task they do. ADVERTISEMENTS: Let us make an in-depth study of the mechanism of hormone action with feedback regulation of hormone production. Most important things in an organism are kept in homeostasis by negative feedback and counter-regulatory hormones. The receptors (sensory cells) present on the body of vertebrates constantly monitors the reference point of internal environment. The diagram below helps to explain this using the example of body temperature. This loop is usually the negative feedback mechanism among most of the hormones. Most important things in an organism are kept in homeostasis by negative feedback and counter-regulatory hormones. The two types of feedback mechanisms are negative feedback and positive feedback. One rare way is positive feedback. In negative feedback systems, a stimulus elicits the release of a substance; once the substance reaches a certain level, it sends a signal that stops further release of the substance. These hormones feedback and affect the function of the hypothalamus and anterior lobe. Feedback Control of Hormone Production. For example, negative feedback signaling mechanisms in the parathyroid glands (located in the neck) rely on the binding activity of calcium-sensitive receptors that are located on the surface of parathyroid cells. The body will do this by opposing a change that deviates from the normal. In negative feedback, the hormone's effect makes a gland stop making hormones. However a few things are controlled in different ways. The hormone levels in the blood are regulated by a highly specialized homeostatic mechanism called feedback. A good example of a positive feedback system is child birth. In positive feedback the opposite happens. Feedback circuits are at the root of most control mechanisms in physiology, and are particularly prominent in the endocrine system. However a few things are controlled in different ways.