muscles in the arteries to contract and. Thisresponse is thefeeling, youareexcitedorfrightened. Thewords adrenaline andepinephrinearederivedfrom Latin andGreekwords, andmean “nearthekidneys”.Īdrenal medullaproducesthe “fightorflight” responsetostress.Forthisreason, the adrenaline andnoradrenalineit secretes arecalledneurohormones. Adrenal medulla is a specializedpart of thesympatheticnervoussystem.Helpscontrol rate of metabolism of carbonhydrates, fatsandproteins.Aldosteronregulatesthereabsorption of sodiumionsandexcretion of potassiumionsbykidneys.About 80 % percent of adrenal cortexproducesmorethantwodozensteroidhormonescalledcorticosteroids.ADRENAL CORTEX AND ADRENAL MEDULLA HORMONESĪdrenal glandsaretwopyramid-shapedstructuresthat sit on top of thekidneys, oneglandeachkidney.Īdrenal glandsreleasehormonesthathelpthe body prepareforanddealwithstress.Īn adrenal gland has an outerpartcalledtheadrenal cortexandinnerpartcalledtheadrenal medulla.
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