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Doctor insights on: Does The Thalamus Secrete Hormones

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Is it true that human height based on how much growth hormone you secrete or genetics?

Is it true that human height based on how much growth hormone you secrete or genetics?

More genetics: How tall you are is related to nutrition and genetics more than one hormone (growth hormone). It is not that the hormone does not help and is needed but it does not predetermine your size. ...Read more

Dr. William Singer
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Hormone (Definition)

A hormone (from greek ὁρμή, "impetus") is a chemical released by a cell or a gland in one part of the body that sends out messages that affect cells in other parts of the organism. Only a little amount of hormone is required to alter cell metabolism. In essence, it is a chemical messenger that transports a signal from ...Read more


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What are the thymus glands and the hormones they secrete?

What are the thymus glands and the hormones they secrete?

Immune system: Before birth and throughout childhood, thymus is instrumental in the production and maturation of T-lymphocytes or T cells, specific type of white blood cell that protects body from certain viruses and other infections.Thymus produces and secretes thymosin, hormone necessary for T cell development and production.Thymus involutes following puberty. ...Read more

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What hormone stimulates the interstitial cells to secrete testosterone?

What hormone stimulates the interstitial cells to secrete testosterone?

Testosterone: The pituitary gland has control of both testosterone and estrogen.

Go online and seek images (e.g. Yahoo) and then look up Hormones.

The images will be helpful and there is often a few notes added. ...Read more

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What does the thyroid gland do? What hormone does it secrete?

What does the thyroid gland do? What hormone does it secrete?

Thyroid gland: A normal thyroid gland will help you maintain good health.
The thyroid gland is controlled by the pituitary that makes TSH -thyroid stimulating hormone - and that in turn controls production of thyroxine (T4) and triiodothyronine (T3 (liothyronine)).
The concentration of T4 is several fold the concentration of T3 (liothyronine).
These hormones essentially contribute to your well-being. There is good information on the web. ...Read more

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What does the thyroid gland do? What hormone does it secrete?

What does the thyroid gland do? What hormone does it secrete?

Makes thyroid hormon: Hi. As the name implies, the thyroid gland makes thyroid hormone (actually secretes two: about 90% T4 and 10% T3). T4 (aka l-thyroxine, Synthroid, etc) is converted in the non-thyroid tissues to T3 (aka Cytomel, liothyronine), the hormonally active form. Take your thyroid hormone...the easiest, most perfectly treated endocrine disease! Good luck! ...Read more

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How are the adrenal glands which secrete testosterone hormones blocked?

How are the adrenal glands which secrete testosterone hormones blocked?

With medication.: The adrenal glands produce androgenic hormones that can be blocked with medication. Aminoglutethimide, ketoconazole, abiraterone & tak-700 (orteronel) are examples, blocking the synthesis of steroid compounds in the glands. Other essential hormones that are blocked may need to be replaced. Surgical removal of both glands would also eliminate adrenal androgens, but it is not done for this purpose. ...Read more

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In what ways are the adrenal glands blocked which secrete testosterone hormones?

In what ways are the adrenal glands blocked which secrete testosterone hormones?

What?: Adrenal gland secretion and testosterone secretion by the testis are totally independent. The adrenal glands do produce some small amounts of testosterone. And excessive testosterone in some disease states, but those are thing that are best discussed with your doctor. ...Read more

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How do the adrenal glands which secrete testosterone hormones get blocked?

Male or female?: The zona reticularis of the adrenal glands do secrete sex hormones, but not testosterone (t). T is produced in the testicles. The adrenal gland function can be lowered by excessive/prolonged stress, severe illness, or infection. ...Read more

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Which contraceptive can I take that will not secrete hormones and that will be safe for my health? I am 25 and several feminine cancers in my family.

Which contraceptive can I take that will not secrete hormones and that will be safe for my health? I am 25 and several feminine cancers in my family.

Birth Control: Birth control is based upon the manipulation of hormones. You are asking for a product that does not exist.

Now if you move away from birth control medicine then there are condoms to choose from for both the male or the female. And, there is the iud which is inserted into the uterus to work to prevent fertilized egg implantation. ...Read more

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Every night before bed I get shaky (vibrate) & air hungry (sigh a lot). Is there a hormone we secrete when we're sleepy/tired? I know it's not nerves

Every night before bed I get shaky (vibrate) & air hungry (sigh a lot). Is there a hormone we secrete when we're sleepy/tired? I know it's not nerves

Not nerves: There are hormones you secrete but that should not lead to shaky or air hungry.
I think you should make an appointment to see a Psychologist. No you are not crazy but there are things that trouble you. I don't think it is hormones.

Please let me know how things go. ...Read more

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I read that the pineal gland secretes melatonin at night, and serotonin during the day. Why would it secrete serotonin, and is it useful as a hormone?

I read that the pineal gland secretes melatonin at night, and serotonin during the day. Why would it secrete serotonin, and is it useful as a hormone?

Mela- vs Sero-tonin: Most of the serotonin in our body is in the GI tract. The brainstem's raphe nuclei (not the pineal gland) secrete serotonin in the central nervous system. Melatonin is derived from serotonin and is produced by the pineal gland. See a neurology or pulmonary sleep specialist to investigate your sleeping patterns. Take a detailed sleep log to the appointment. http://www.webmd.com/sleep-disorders/ ...Read more

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What kind of hormones are secreted by thalamus gland?

What kind of hormones are secreted by thalamus gland?

None: The thalamus is not a gland. It is a cluster of nuclei of gray matter. It does not secrete anything. I recommend doing some reading up on basic human anatomy and physiology prior to your next HealthTap post. ...Read more

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Is there any brain hormone that interferes with falling in love?

Is there any brain hormone that interferes with falling in love?

Read on: Google neurobiology of love and read the works of professor zeki, of the university college london ! ...Read more

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What brain hormones cause unhappiness and hopelessness?

What brain hormones cause unhappiness and hopelessness?

Several: Depletion of any of these hormones, or a combination of several. This is why the first drug tried may not work. They are serotonin, dopamine, and norepinephrine. ...Read more

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How commmon are long-term hormone problems after brain injury?

How commmon are long-term hormone problems after brain injury?

Not rare: Brain tumors can be associated with pituitary deficiency particularly if radiatin therapy has neen utilized. It seems the more it is checked the more often some hormone deficiency is identified. Probably 15% is a realistic number. ...Read more

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When we feel tired, is there a certain fatigue hormone that signals the brain you are "tired"?

When we feel tired, is there a certain fatigue hormone that signals the brain you are "tired"?

There are many: Tiredness is controlled by multiple brain chemicals. Some chemicals make us more awake (like adrenaline) others cause us to be sleepy. A delicate balance allows us to be awake during the day and sleep at night. So no, there is not 1 fatigue chemical but there are numerous chemicals. ...Read more

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Can you tell me about neuroendocrinology q! how come we can't make an inference of what hormones in the blood is in the brain?

Can you tell me about neuroendocrinology q! how come we can't make an inference of what hormones in the blood is in the brain?

Blood brain barrier: The blood brain barrier are cells that regulate what gets into the CNS. For example, insulin levels fluctuate widely in blood, based on food, but CNS insulin fluctuates much less. Also, many hormones act locally in brain. For example, serotonin, dopamine etc are high at the nerve synapse, but most is then taken up and plasma levels are very low. ...Read more

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What is brain peptides?Are they different with brain proteins?Hormones produced by the brain are mostly peptide or protein? How about dopamine?

What is brain peptides?Are they different with brain proteins?Hormones produced by the brain are mostly peptide or protein? How about dopamine?

Peptide vs protein: A peptide is make of a few amino aicd building blocks but a protein is made of hundreds to thousands of amini acids. When a protein is degraded , it breaks up into smaller peptides. Dopamine is not a peptide since it is a modified single amino acid. Hormones from the brain are peptides but some such as acth come from a larger precurose protein. Great questions. ...Read more