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Doctor insights on: Major Glands Hypothalamus Pineal Gland Pituitary Gland Thyroid Gland Pancreas

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What hormones from the hypothalamus, pituitary gland, and possibly thyroid cause calcitonin to be released?

What hormones from the hypothalamus, pituitary gland, and possibly thyroid cause calcitonin to be released?

Calcitonin: Calcitonin is not affected significantly by any of these. Calcitonin does not do much of anything in humans. When someone has a thyroidectomy, we don't give back calcitonin. ...Read more

Dr. Gregory Moneta
3 doctors shared insights

Pancreas (Definition)

Abdominal organ. It is digestive organ: it secretes enzymes into the small bowel which break down food and help its absorption. It is also an endocrine organ: it produces hormones involved in sugar control and control of digestion. Insulin is one of these hormones. Diabetics either lack Insulin (type 1 diabetes) or have inadequate ...Read more


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What do the pineal and pituitary glands look like? I heard the pineal looks like a pinecone, but I don't know how much like one it would look like.

What do the pineal and pituitary glands look like? I heard the pineal looks like a pinecone, but I don't know how much like one it would look like.

Anatomy, imaging: The glands can be visualized directly (gross anatomy) or non-invasively (through brain MRI, for example). There are many images online that you can review: http://radiopaedia.org/articles/pineal-region-an-approach , http://radiopaedia.org/articles/pituitary-mri-an-approach ...Read more

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Are beta endorphins only made in the hypothalamus and pituitary gland?

Are beta endorphins only made in the hypothalamus and pituitary gland?

The majority: The majority of beta endorphins are produced in the pituitary and hypothalamus, but they are also produced in other regions of the peripheral and central nervous system. That that is produced in the pituitary in response to stress is secreted into the blodd stream. ...Read more

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Can you tell me how the hypothalamus control the production and release of hormones of the pituitary gland?

Nerve tracts: There are a set of nerve tracts from the hypothalamus that release hormones into the pituitary blood supply. The hormones are called "releasing hormones", and they cause the pituitary to release hormone. Eg. Hypothalamic TRH (thyrotropin releasing hormone) causes the pituitary to release TSH (thyroid stimulating hormone). ...Read more

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What can a MRI show on pituitary glands? My wife is going to get an MRI done to examine her pituitary gland. If there is something wrong with her hypothalamus instead, would the MRI also show that?

What can a MRI show on pituitary glands? My wife is going to get an MRI done to examine her pituitary gland.  If there is something wrong with her hypothalamus instead, would the MRI also show that?

Yes: Pituitary gland mris are used to discover tumors of the pituitary gland. These are usually benign. Parts of the brain including the hypothalamus are also seen. Since some pituitary tumors grow and expand into the brain, the nearby brain structures are always included in the study. Some centers include the MRI of brain with pituitary if its the first study. ...Read more

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How does thyrotropin releasing hormone go from the hypothalamus to the pituitary gland?

How does thyrotropin releasing hormone go from the hypothalamus to the pituitary gland?

Via the blood stream: Trh flows from the hypothalamus to the anterior(front) pituitary gland through a blood connection between them. ...Read more

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What are some diseases of the hypothalamus and pituitary gland?

Pituitary disease: The hypothalamus and pituitary work together to regulate many functions in the body, including hormonal regulation. Diseases can causes hormone deficiency or excess. Some of the hormones regulated are the thyroid, growth hormone, prolactin, (breastfeeding hormone) testosterone or estrogen, and cortisol. ...Read more

Thyroid Gland (Definition)

It is an endocrine gland which produces thyroxin hormone which controls the metabolism in every cell in the body.It produces 80 to 90%t4 and 10 to 20 %t3. These control rate of metabolism and affect the growth and rate of functions of many cells in the body it is ...Read more


Pituitary Gland (Definition)

The pituitary is the source of several hormonal stimulation pathways, such as acth to stimulate the adrenal gland, TSH for the thyroid, but the posterior aspect deals with fluid and ...Read more