Question

Name the hormones which stimulate the other endocrine glands to release their specific hormones.

Answer 1

Hint: The hormone-releasing process and stimulation of other glands start from the uppermost part of the body and then it is moved downward. The gland responsible is known by the name of the master gland.

Complete answer:
if we discuss the stimulus of the endocrine glands to release the hormones then we will observe that there are basically three ways in which an endocrine gland can be stimulated to achieve hormonal release.
1. Humoral Response
 In this type of response, the hormone is released in response to the alteration in the levels of bodily fluids like the blood. If we observe the example of blood sugar, an increase in the blood sugar level will result in the release of insulin which will tend to decrease the blood glucose level and the decreased level stops the flow of insulin.
2. Neural Stimulus
In this type of response system, the release of the hormone is regulated by the nervous system of the body under the direct stimulus.
3. Hormonal Stimulus
In this type of response, the regulation of the hormones and their release from the glands is interconnected and they are related to each other. If we see an example, we can see that the hypothalamus is responsible for the stimulation of the anterior portion of the pituitary gland. This stimulation will result in the release of a hormone named thyroid-stimulating hormone. This hormone will lead to the stimulation of the thyroid gland as the name is suggesting. The thyroid then releases the hormones named $\mathop T\nolimits_3 $ and $\mathop T\nolimits_4 $. This stoppage of stimulation of all the three glands is regulated when the levels of $\mathop T\nolimits_3 $ and $\mathop T\nolimits_4 $ hormone increase leading to negative signals.

In the above question, the pituitary gland is responsible for stimulating the release of hormones of all other glands.

Note:
Tropic hormones are released from the pituitary and they in an interconnected manner stimulate the other glands. The pituitary gland is known as the master gland because it is regulating the release.