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Endocrine System
The endocrine system is made up of glands which control and coordinate body functions and maintain homeostasis inside the body.
2,103 Questions
When endocrine glands are activated by other hormones it is what type of stimuli?
This is referred to as hormonal stimulation and is readily illustrated by the activity of the pituitary gland, which controls the activity of all of the other endocrine glands. The thyroid hormones, e.g, regulate the body's metabolic rate but, in and of itself, the thyroid gland does not how much hormone to produce. This function is reserved for the pituitary gland which secretes thyroid stimulating hormone (TSH) which, in turn, stimulates the thyroid to produce its hormones. As thyroid hormone levels increase they, in turn, "stimulate" the pituitary gland to reduce its TSH stimulation. In actuality, a steady-state, mediated by their respective hormones, exists between the pituitary and the thyroid that maintains a constant level of thyroid hormones and, therefore, a relatively constant metabolic rate.
What is the function of the thymosin hormone?
Thymosin is a hormone produced by the thymus and it works with the lymph nodes and white blood cells, for example, to buildup immunity.
Source
Introduction to the Human Body
by Gerard Tortora and Bryan Derrickson
What is papillary cancer of the thyroid?
Papillary thyroid cancer is considered the most common form of thyroid cancer. According to ThyroidAwareness.com, papillary thyroid cancer is most commonly diagnosed in women 30-40 years old and it most frequently spreads to the neck lymph nodes.
posterior lobe release the hormone oxytocin and antidiuretic hormone.
The entire Nervous system in the body, breaks down into smaller "systems" containing special nerves with special functions.
The body's fight or flight response is a natural defense mechanism controlled by the Sympathetic nerves in our nervous system.
The job of the Sympathetic nerves is to raise our heart rate, blood pressure and so forth when we are faced with a stressful situation.
These changes in the body will "tell" the body how to respond to emotions that are running high during a situation that is stressful past the point of "normal".
Do we stay and "fight" this situation or do we remove ourselves from this situation (flight)
Think of "Sympathetic" as the body "feeling sorry for you", having sympathy for you when you are under a lot of stress".
< SYMPATHETIC = SYMPATHY >
The changes that occur will eventually need to return to normal.
The heart rate will need to decrease, and blood pressure return to a normal level.
The nerves that will accomplish this, after this stressful situation is over, are called the Parasympathetic nerves.
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These nerves are part of what is called the AUTONOMICNERVOUS SYSTEM.
Remember: If our heart rate - blood pressure, anything like this changes in the body, it is an AUTOMATIC response, as in INVOLUNTARY.
(The smaller system controlling voluntary movements is the SOMATIC NERVOUS SYSTEM)
The breakdown of the entire system contains:
CENTRAL NERVOUS SYSTEM, which is the Brain & Spinal Cord.
The PERIPHERAL NERVOUS SYSTEM containing the nerves. (2 main types)
* AFFERENT Nerves which are sensory nerves. * transfers "sensory" information * EFFERENT Nerves which are motor nerves. * transfers "motor" information
The Peripheral Nervous System (above) contains the
SOMATIC & AUTONOMIC SYSTEMS.
(the "smaller" systems discussed above)
The Autonomic System contains your Sympathetic & Parasympathetic Nerves.
The functions of the Nervous system as a whole are to:
# COLLECT information (Nerves - Peripheral Nervous system) # TRANSFER this information (Spinal Cord - Central Nervous system) # ANALYZE this information (Brain - Central Nervous System)
Like other hormones of the anterior pituitary (adenohypophysis), TSH is stimulated by a releasing hormone produced in the hypothalamus. This releasing hormone, TRH (thyrotropin releasing hormone) travels down the pituitary stalk and stimulates the thyrotrope cells there, via the portal circulation of the pituitary.
Where are LH and FSH produced?
Gonadotropic hormones FSH (Follicle stimulating hormone) and LH (Luteinizing hormone) are produced and secreted by the gonadotrophs in anterior pituitary.
These are the trophic hormones that act on the ovaries and testes. Required for ovulation, spermatogenesis, biosynthesis of estrogens and androgens. They are also used therapeutically to promote fertility.
Their secretion is regulated by the hypothalamus GRH (gonadotropin releasing hormone), where GRH stimulates the release of FSH and LH and FSH and LH feedback and decreases levels of GRH release. Estrogens and androgens also feedback and inhibit the gonadotrophs in the pituitary and feedback on the hypothalamus.
Is 3.09 tsh level high or low?
It is a controversial area. The upper limit of normal TSH values is 3 or 5 depending on the different recommendations made by different professional thyroid associations and on individual labs.
So, a TSH level of 3.09 is usually considered normal but it may sometimes be seen as too high. It definitely isn't considered low. If you are already taking thyroid hormones for hypothyroidism and you still feel unwell then increasing the dosage may be justified.
However, if you live in the UK and haven't been diagnosed with hypothyroidism even if you have thyroid antibodies then good luck trying to persuade anyone to prescribe T4.
What are the symptoms and signs of thyroid disease?
Answer
Heat or cold intolerance; Weight gain, with hypothyroidism, or weight loss with hyperthyroidism; Depression with hypothyroidism, or mania/hypomania with hyperthyroidism, as well as many others.
Do thyroidectomized indicate hyperthyroidism of hypothyroidism?
Thyroidectomy is the process of removing the thyroid. The result is hypothyroidism if not treated with thyroid hormone. Thyroidectomy is sometimes done to treat hyperthyroidism.
What will happen if thyroid gland is removed?
If the thyroid gland is removed, you will become hypOthyroid. This will first make you sick, and if you do not begin taking replacement medication for the missing hormones, you will eventually die. Your body cannot survive without thyroid hormone which is responsible for the metabolism of each and every cell of your body.
What is the ICD 9 code for pituitary microadenoma?
The only category that seems to fit is the very broad "disorders of the adrenal glands" which has the ICD code 255. Cushing's syndrome has the ICD code 255.0, if this is included in the diagnosis also.
What part of the adrenal glands secrets hormones initiate the fight or flight response?
It pours more adrenalin into your bloodstream. When we take off running - say if a very big, very vicious dog is chasing us - we tend to be able to run like an Olympian. That is the "shot of adrenalin".
How effective are beta blockers for hyperthyroidism?
Beta blockers are very effective in minimizing some of the annoying symptoms of hyperthyroid dysfunction, however, it does not treat the hyperthyroid condition itself.
Very effective! Propranolol is usually prescribed along with a anti-thyroid drug and after 7 days of around 30mg a day the beta blocker will counter act the overactive behaviour of the thyroid thus stablizing your body and after 3/4 weeks the patient should feel "normal" once again, however the drug must not be stopped immediately, this will enduse symptoms to return even worse or even cause heart failure. Beta Blockers must be gradually reduceds over a period of weeks. The Beta Blocker should be stopped once the anti-thyroid drug reduces the thryroid action to a normal rate.
The adrenal glands are located right above the kidneys they look like a small mucus covered bag of marbles. The outer rim of the adrenal gland is called the capsule behind the capsule there is a thick tissue called the adrenal cortex and finally the center is called the adrenal medulla.
Why is the endocrine system important during puberty?
i have a grandson with pituitary gland problems. as i understand it (and I am an RN). The pituitary is the mother gland of them all and controls everything from growth to breathing, heart rate, temperature regulation, sugar use, (diabetes,). the main hormone as i understand it that regulates growth and development is the GHT or growth hormone, also IGF this hormone actually does regulate growth, sexual organ development, etc. the good news is. most of these can be given and normal devolpment obtained. the cortisol level is what we are dealing with the most right now, and without it the baby has no energy, little temperature regulation, can't fight infection, actually almost died from an ear infection before we knew he wasn't secreting the hormones he needed. He is doing better now he is taking an oral med called hydrocorisone. his growth factor is being checked now and if it is low he has to have shots everyday just like diabetes.
Is the thyroid gland involved in metabolism?
A thyroid abnormality (either hypothyroidism or hyperthyroidism) would affect your mood, but if your thyroid gland is working properly, it does not affect your mood, which have various psychological and physiological influences.
What exercises really help with your bicep muscles?
Concentration Curl - The Correct Way!
This bicep workout routine requires a single dumbbell. 1. Start by sitting on a bench at the edge, with your legs apart at an angle of 70 to 80 degrees and make sure that the dumbbell is placed on the ground in between them. 2. Pick up the dumbbell up, keeping a straight arm. Rest your triceps on the inner part of your thigh. 3. Bend your arm and 'curl' the dumbbell towards your shoulder. 4. Slowly lower the arm back until it is extended again. 5. Repeat the above steps for 8-10 repetitions 6. Repeat the above for the other arm.
Can you live without medicine after partial thyroid removal?
No! Seriously, you should ask a doctor this question.
Which endocrine organs are purely endocrine?
Purely endocrine glands are anterior pituitary, thyroid, and parathyroid, adrenal glands and pineal.
Pancreas, and Gonads have both endocrine and exocrine functions. There are many other hormone secreting peudoendocrine glands or organs, such as liver, stomach, placenta etc.
A growth hormone is a chemical that has effects on plant growth
Difference between thyrotoxicosis and hyperthyroidism?
Thyrotoxicosis: A condition resulting from excessive concentrations of thyroid hormones in the body, as in hyperthyroidism.
Hyperthyroidism: the overproduction of thyroid hormones by an overactive thyroid.
What are the main parts to the skeletal system?
upper leg bone lower leg bone wrist bone thigh bone collar bone rib cage back bone skull tarsals eye socket shoulder bone knee cup jaw bone lower arm bone upper arm bone hyoid elbow bone ulnq scapula sternum metarcarpals vertebrae ciavacle femur tibia fibula phalanges hip bone phalngesradius
