{"id":205,"date":"2021-05-22T12:22:50","date_gmt":"2021-05-22T12:22:50","guid":{"rendered":"https:\/\/pajzsmirigypszichologia.hu\/?page_id=205"},"modified":"2022-01-13T18:40:23","modified_gmt":"2022-01-13T18:40:23","slug":"a-pajzsmirigy-es-a-hormonrendszer","status":"publish","type":"page","link":"https:\/\/pajzsmirigypszichologia.hu\/en\/a-pajzsmirigy-es-a-hormonrendszer\/","title":{"rendered":"Thyroid and the endocrine system"},"content":{"rendered":"
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The thyroid gland is part of the endocrine system. The system is responsible for the production of hormones and, through this, the regulation of many processes.<\/p>

Organs of the endocrine system<\/em><\/p>

\"\"<\/p>

Three organs are involved in the production and regulation of thyroid hormones:<\/strong><\/p>

-Hipothalamus
-Hipophysis
-Thyroid<\/p>

The essence of the regulation process is negative feedback.<\/p>

The hypothalamus is located in the brain. Its lower part is called the pituitary gland. First the hypothalamus produces a hormone called TRH (TSH releasing hormone). This TRH will stimulate the pituitary gland, where it will produce TSH (thyroid stimulating hormone). This is the hormone that acts directly on the thyroid gland. It is the thyroid gland that produces the actual thyroid hormone, T4 (thyroxine). The negative feedback process is best understood from the blood: if the thyroid hormone level in the blood is high, i.e. there is a lot of it, the thyroid gland will receive a signal to reduce hormone production. The thyroid sends a signal to the pituitary to reduce TSH production, and then the pituitary sends a signal to the hypothalamus. The mitochondria carry out the biological oxidation process.<\/p>

\"\"<\/p>

The amount of any hormone, a lesion in any of the organs involved, or a feedback failure can be at the root of the thyroid disease that has developed.<\/p><\/blockquote>

For example, in Graves' disease, there is no negative feedback: even though there is a lot of hormone in the blood, the signal does not affect the organs. TSH will be low because it tries to send less signal to the thyroid, but it still continues to produce hormones, leading to overactivity.<\/p>

In the case of hypothyroidism, TSH levels are usually high because the thyroid needs to be kept stimulated at a high level to produce enough hormones even when it is low.<\/p>

Detailed descriptions of the diseases can be found under their individual headings.<\/em><\/p>

The thyroid gland and calcium levels<\/strong><\/p>

\"\"<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

A pajzsmirigy a hormonrendszer (m\u00e1s n\u00e9ven endokrin rendszer) r\u00e9sze. A rendszer feladata a hormontermel\u00e9s, \u00e9s ezen kereszt\u00fcl sz\u00e1mos folyamat szab\u00e1lyoz\u00e1sa. A hormonrendszer szervei A pajzsmirigy hormontermel\u00e9s\u00e9ben \u00e9s szab\u00e1lyoz\u00e1s\u00e1ban h\u00e1rom szerv vesz r\u00e9sz: -Hipotalamusz -Hipof\u00edzis -Pajzsmirigy A szab\u00e1lyz\u00e1s folyamat\u00e1nak l\u00e9nyege a negat\u00edv visszacsatol\u00e1s. A hipotalamusz az agyban tal\u00e1lhat\u00f3. Ennek az als\u00f3 r\u00e9sz\u00e9t nevezz\u00fck hipof\u00edzisnek. El\u0151sz\u00f6r a hipotalamusz termel hormont, ez a TRH (TSH releasing hormon, azaz TSH felszabad\u00edt\u00f3, vagy m\u00e1sn\u00e9ven tireotropin felszabad\u00edt\u00f3 hormon). Ez a TRH fogja serkenteni a hipof\u00edzist, ahol ennek hat\u00e1s\u00e1ra TSH (tireoidea stimul\u00e1l\u00f3 hormon) termel\u0151dik. Ez az a hormon, ami k\u00f6zvetlen\u00fcl hat a pajzsmirigyre. A pajzsmirigy termeli a t\u00e9nyleges pajzsmirigyhormont, a T4-et (tiroxin). A negat\u00edv visszacsatol\u00e1s folyamata a v\u00e9rb\u0151l indulva \u00e9rhet\u0151 meg a legjobban: ha a v\u00e9rben a pajzsmirigyhormon \u00e9rt\u00e9k magas, azaz sok van bel\u0151le, akkor a pajzsmirigy jelet kap, hogy cs\u00f6kkentse a hormontermel\u00e9st. A pajzsmirigy jelet k\u00fcld a hipof\u00edzisnek, hogy cs\u00f6kkentse a TSH termel\u00e9st, majd hipof\u00edzis k\u00fcld jelet a hipotalamusznak. A mitokondrium v\u00e9gzi a biol\u00f3giai oxid\u00e1ci\u00f3 folyamat\u00e1t. B\u00e1rmelyik hormon mennyis\u00e9g\u00e9ben, b\u00e1rmelyik r\u00e9sztvev\u0151 szerv elv\u00e1ltoz\u00e1s\u00e1ban, vagy a visszacsatol\u00e1s meghib\u00e1sod\u00e1s\u00e1ban is gy\u00f6kerezhet a kialakult pajzsmirigybetegs\u00e9g. P\u00e9ld\u00e1ul Graves-Basedow-k\u00f3r eset\u00e9ben nincsen negat\u00edv visszacsatol\u00e1s: hi\u00e1ba van sok hormon a v\u00e9rben, a jel nem hat a szervekre. A TSH alacsony lesz, hiszen igyekszik kevesebb jelet k\u00fcldeni a pajzsmirigynek, de ennek ellen\u00e9re az tov\u00e1bb termeli a hormonokat, ami \u00edgy t\u00falm\u0171k\u00f6d\u00e9shez vezet. Pajzsmirigy alulm\u0171k\u00f6d\u00e9s eset\u00e9ben a TSH \u00e9rt\u00e9k \u00e1ltal\u00e1ban magas, hiszen folyamatosan magas szinten kell tartani a pajzsmirigy stimul\u00e1ci\u00f3j\u00e1t, hogy a cs\u00f6kkent m\u0171k\u00f6d\u00e9se mellett is elegend\u0151 hormont \u00e1ll\u00edtson el\u0151. R\u00e9szletes le\u00edr\u00e1s a betegs\u00e9gekr\u0151l k\u00fcl\u00f6n-k\u00fcl\u00f6n a men\u00fcpontjaikban olvashat\u00f3. A pajzsmirigy \u00e9s a kalcium szint<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-205","page","type-page","status-publish","hentry"],"yoast_head":"\nA pajzsmirigy \u00e9s a hormonrendszer - Pajzsmirigy Pszichol\u00f3gia<\/title>\n<meta name=\"description\" content=\"A pajzsmirigy \u00e9s a hormonrendszer kapcsolata k\u00f6z\u00e9rthet\u0151en, m\u00e9gis tudom\u00e1nyosan, r\u00f6viden \u00f6sszefoglalva. 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