Renin

Renin is an endoprotease (hormone-like enzyme) produced in the kidney, more specifically in the juxtaglomerular apparatus. It represents an important link in the renin-angiotensin-aldosterone system (RAAS), which helps regulate blood pressure and salt balance. Increased renin is produced when a lack of sodium in the blood or hypovolemia (decreased blood volume) is determined by the … Renin

Funcția neurotransmițătorului serotoninei

Serotonin is one of the neurotransmitters. Its effects are mainly related to the nervous system (mood), the cardiovascular system (vasoconstriction – vasoconstriction) and the intestine (intestinal peristalsis ↑).It is synthesized from the amino acid tryptophan. To check serotonin levels in the blood, the breakdown product 5-hydroxyindoleacetic acid (HIES) is determined from urine. The procedure Material … Funcția neurotransmițătorului serotoninei

Cantitatea serică de aldosteron-renină

The serum aldosterone–renin quotient (ARQ; aldosterone-renin ratio, ARR) is considered a very reliable screening parameter in the diagnosis of Conn syndrome. Conn syndrome is a form of primary hyperaldosteronism. It is characterized by an overproduction of aldosterone in the adrenal cortex due to an adenoma (benign tumor). Aldosterone is a mineralocorticoid that regulates fluid and … Cantitatea serică de aldosteron-renină

Hormon somatotrop (STH)

Somatotropic hormone (STH; synonyms: somatotropic hormone; HGH or hGH (human growth hormone); HGH-N; HGH 1; GH (growth hormone); somatotropin ; somatropin; growth hormone) is a hormone responsible for body growth. It does not act directly for the most part, but indirectly via the somatomedins such as insulin-like-growth-factor (IGF-1). Other metabolic functions include: Protein biosynthesis (protein … Hormon somatotrop (STH)

17-Hidroxi Progesteron

17-Hidroxi-progesteronul (sinonime: 17-OH-progesteron; 17-OHP) este un hormon din grupa progestinelor (progestativele sunt steroizi; cei mai importanți reprezentanți sunt pregnandiolul, progesteronul și pregnenolonul). 17-Hidroxi-progesteronul este produs în glanda suprarenală și în gonade (gonade sau glande sexuale; la bărbați, testiculele/testiculele; la femei, ovare/ovare). Reprezintă un intermediar în sinteza mai multor... 17-Hidroxi Progesteron