Feedback mechanism | MDCAT 2023 | Coordination And Control

Feedback mechanism | NMDCAT 2022 | Coordination And Control
About This Video ........................
In This Video Lecture You Will Learn Basic Concept Of Feedback Mechanism
It is a type of interaction in which a controlling mechanism is itself controlled by the products of
be inhibitors. If one hormone in the body promotes or stimulates a reaction, another hormone would
very common in living systems. Feedback in thyroid gland function is described. (Steps correspond
depending on the activity of the body. The interaction between the. pituitary and other endocrine
reactions it is controlling.
In this way, concentration of secretions is itself controlled because certain information is passed to
glands, over which it exerts control, is an example of feedback mechanism and this mechanism is
For proper body functions, two opposing systems are needed, if there are accelerators, there must
be checking the same. In the body, interaction is mainly maintained due to feedback mechanism.
the source or in other words is fed back so that the output of the secretion is adjusted accordingly,
to the 1. Low body temperature or stress stimulates neurosecretory cells of the hypothalamus, whose
pituitary. 3. The TSH then stimulates the thyroid gland to release thyroxine. 4. Thyroxine causes an
the body temperature and higher thyroxine levels in the blood inhibit the releasing-hormone cells
increase in the metabolic activity of most body cells, generating ATP energy and heat. 5. Both raised
releasing hormones trigger the release of 2.Thyroid-stimulating hormone (TSH) in the anterior
and the TSH-producing cells.
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