Biology, asked by Anonymous, 1 year ago

who is chief executive of endocrine system?
what is prolactin hormone?
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Answers

Answered by DavidOtunga
12
The pituitary gland is often called as "Master of Endocrine Gland" of body or the "Chief executive of Endocrine system" or "The Leader of Endocrine Orchestra" as it is secreting a number of hormones, such as, TSH, ACTH, etc. which help in the regulation of the working of other Endocrine glands.
But, it is actually not proper to call it as a master Endocrine gland because it itself is under the control of the releasing hormones secreted by the hypothalamus of the brain.
Thus, hypothalamus is, in fact as a whole, the "Supreme Commander of Endocrine Regulation".

PROLACTIN HORMONE:

Prolactin hormone (PRL) or Mammotropin hormone (MTH) or Luteotropic hormone (LTH). Prolactin hormone is also called as the "hormone of maternity" because it's main physiological effect is to activate growth of breasts during the time of pregnancy and secretion of mammary glands after child expulsion or child birth. The name Luteotropic hormone (LTH) refers to it because it also stimulates the corpus luteum of the ovary to secret the hormone progesterone.
The target cells of this hormone is the cells of mammary glands.

Hakar: You already have your answer ?
Answered by Hakar
18
Hi,

Your answer :
Hormones regulate impulses and emotions, stimulate growth and development of sexual characteristics, regulate body temperature, help repair damaged tissues and play a role in energy production.

A conductor system

Endocrine system The human body is a complex system of organs in relation to each other, which must work together to function properly. The endocrine glands control the functions of the body through chemicals called hormones, which are released into the general circulation. Hormones act as chemical messengers that travel throughout the body through the bloodstream. The various organs of the endocrine system are located in regions sometimes very far from the body.

The organs that make up the endocrine system are located in very different parts of the body: the pituitary is in the cranial box, the thyroid in the neck, the thymus in the thorax, the adrenal glands and the pancreas in the abdomen, the ovaries and the testicles in the pelvis. The hormones they release regulate the basic impulses and emotions, such as sexual urges, violence, anger, fear, joy and sorrow. They also stimulate growth and sexual identity, control body temperature, help repair damaged tissues, and help generate energy.

The different actors of the endocrine system

The pituitary gland (pituitary gland) is a small, pea-sized gland located at the base of the brain in a small depression of the sphenoid bone called the sella turcica. She is under the control of the hypothalamus to which she is attached. It is sometimes referred to as a master gland because it serves as a binding agent between the nervous system and the endocrine system. The pituitary gland produces several hormones, which serve to regulate the other endocrine glands but also the retention of water by the kidneys. Another triggers contractions of the uterus during delivery, and then stimulates milk production by the mammary glands. One of the most important pituitary hormones is growth hormone (GH). It controls growth by regulating the amount of nutrients absorbed by the cells. Growth hormone also works in conjunction with insulin to regulate blood sugar.
The pancreas is located just behind the lower part of the stomach. It is the second largest organ of the body. It produces insulin and glucagon hormone. Insulin and glucagon work in complementarity. If the secretion of insulin is too weak, glucose increases: this is what happens in diabetes, the most common pathology of the endocrine system.
The thyroid gland is located at the neck and secretes two hormones. One of these hormones affects the growth rate and metabolism of all cells in the body. It controls reflexes and regulates the rate at which the body produces energy and transforms food into components of the body. The other hormone decreases the amount of calcium present in the blood (calcemia).
The small parathyroid glands, located at the back of the thyroid gland, produce a hormone that works closely with thyroid hormones to maintain calcium homeostasis and prevent excessive calcium (called hypercalcemia) in the blood.

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