What metabolic signals affect GH?

Q: How is PTH secretion regulated on a long term scale?

A: Parathyroid hormone (PTH) is secreted by parathyroid glands located on the neck region just behind…

Q: What are androgens?

A: Androgens are chemical messangers.

Q: Define about C18 juvenile hormone ?

A: Hormones are secreted by the main two glands i.e. endocrine glands and exocrine glands. Endocrine…

Q: What does GH act on?

A: Growth hormone is a peptide hormone composed of 190 amino acids that are mainly involved in the…

Q: What happens when CRH reaches the pituitary?

A: CRH:           CRH ~ Corticotropin-releasing hormone                      A peptide hormone that…

Q: What is GH released in response to?

A: GH is the growth hormone and is secreted by the pituitary gland specifically the anterior lobe. It…

Q: Which are the chemicals that released while adrenal medulla stimulate ?

A: Adrenal glands are a pair of endocrine glands, located above the kidney. These secrete a variety of…

Q: Why and how is prolactin secretion controlled?

A: Animal physiology is the systematic study of the supporting features, roles, and processes of…

Q: Describe cellular action mechanisms of testosterone and related androgens.

A: Androgens are sex hormones which are present in both males and females there are responsible for…

Q: What does CRH act on?

A: CRH is a hormone.,

Q: When there is hypothyroidism,what happens to TSH and the thyroid hormone?

A: The nervous system and endocrine system together are responsible for the control and coordination of…

Q: What are the cells that produce androgens, and where are they located?

A: Introduction  Androgens are the group of hormones commonly sex hormones. The most common androgen is…

Q: Where are GHRH and GHIH released from?

A: Growth hormone inhibiting hormone(GHIH) Somatostatin delivers prevalently neuroendocrine inhibitory…

Q: What are the major controls of the secretion of prolactin andoxytocin during nursing?

A: Secretion of prolactin: [controls]               The main regulators of the production of prolactin…

Q: How does the hypothalamus regulate the secretion of GH from the pituitary gland?

A: Hormones are chemical messengers that are produced by endocrine glands of the body and are…

Q: Why diabetes mellitus is associated with polidypsia, polyphagia and polyuria?  How common is…

A: Diabetes mellitus: Diabetes mellitus, sometimes known as diabetes, is a collection of metabolic…

Q: What is the result if there is underactive thyroid follicles?

A: Thyroid follicles are referred to as the thyroid gland cells that are principally responsible for…

Q: What causes GHRH to be released from neurosecretory nerve terminals of these actuate neurons?

A: There are various hormones that are released by the body and all the initiating hormone is…

Q: what factors affect melatonin?

A: Melatonin is a hormone secreted by the pineal gland at night into the circulation and third…

Q: When are surges of GH released?

A: Hormones are the chemical messengers also known as signaling molecules that help in the signaling.…

Q: What does GH trigger the release of?

A: There is a system in the human body that is responsible for the secretion of some chemicals that act…

Q: What is the effect of EPO?

A: Cytokines are small proteins which play important role in cell signaling. They are peptides and…

Q: What are the direct inputs to endocrine glands controlling hormonesecretion?

A: Hormones are chemical messengers that are released by the endocrine glands, which are a part of the…

Q: How is the secretion of TSH regulated under normal condition?

A: TSH stands for thyroid-stimulating hormone. It stimulates the thyroid gland to produce thyroxine and…

Q: What is the role of the hypothalamic and hypophyseal portal vessels?

A: Hypothalamo-hypophyseal portal system: The hypophyseal portal system is a system of blood vessels in…

Q: Where is the thyroid gland located? Describe the folliclesand the parafollicular cells within the…

A: The right and the left lateral lobes of the thyroid gland are located on either side of the trachea.…

Q: What is the benefit of storing iodinated thyroglobulin in the colloid?

A: Thyroglobulin: It is a glycoprotein made by cells in the thyroid gland. It is a form in which…

Q: What is the role of PTH when the blood Ca reduced?

A: PTH is also known as the parathyroid hormone that is secreted by the parathyroid glands which are…

Q: How are FSH and LH levels inhibited in the female and male?

A: The female reproductive system consists of the uterus, ovary, fallopian tube, vagina, vulva. This…

Q: Describe the effects of GH on its target tissues

A: Growth hormone is a peptide hormone. It stimulates the cell reproduction, growth, and regeneration…

Q: How is ADH secretion stimulated?

A: Antidiuretic hormone (ADH) is released by the hypothalamus and then by the pituitary gland. It is a…

Q: What is melatonin?

A: Introduction: Hormones might be viewed as the substance couriers associated with the transmission of…

Q: How does aldosterone actand where is it produced?

A: Adrenal cortex is the external part of the adrenal gland. It is divided into three layers as follows…

Q: What are paracrine substances?

A: The four types of chemical signalling in multicellular organisms include paracrine signalling,…

Q: What are the actions of these hormones: GH, TSH, FSH, LH, and PRl?

A: Hormones are chemical Messengers which are secreted directly into the blood.Blood carries them to…

Q: How is melatonin synthesis controlled

A: Melatonin is a hormone that your brain produces in dimness. It assists with the cardiac rhythms.…

Q: What pathological conditions are the result ofhyposecretion of GH? Describe their symptoms.

A: The pituitary gland is a small and oval-shaped endocrine gland that is held in place by the…

Q: Why does a lack of dietary iodine lead to TSH hypersecretion? Why does the thyroid gland enlarge in…

A: The thyroid glands play a main role in the endocrine system to regulate the metabolism of our body.…

Q: Name the endocrine glands and the hormones theysecrete.

A: The chemical messengers which are secreted directly into the blood are defined by the known as…

Q: Which hormone's deficency causes diabetes mellitus?

A: Diabetes is diseases characterized by high blood sugar level in the blood. The normal blood glucose…

Q: What is the hormone melatonin?

A: Introduction: The body's chemical messengers are called hormones. They move to tissues or organs…

Q: When are cortisol levels normally drawn? Explain the normal diurnal variation of cortisol levels

A: Cortisol is a steroid hormone that governs several critical functions in the body, including…

Q: How do melatonin levels change throughout the day?

A: Hormones have an important role even in the regulation of the sleep-wake cycle. It is studied under…

Sleep Physiology

Sleep is a condition of reduced muscle movement in the body. Awareness about the surroundings is reduced at the time of sleep. The body stays mildly responsive or non-responsive to external stimuli. The sleep-wake cycle is controlled by the circadian rhythm that produces a resting phase for the body.