Concept in Definition ABC
Miscellanea / / July 04, 2021
By Florencia Ucha, in Oct. 2009
Hormones are those substances or products of the secretion of certain glands of the body of animals, people or plants, which, transported by blood or, failing that, by sap, fulfill the function of regulating the activity of other organs.
Located in glands of internal or endocrine secretion or also in epithelial and interstitial cells, hormones are mostly secreted by specialized cells. All the organisms multicellular produce hormones, the most studied being those produced by the endocrine glands.
exist synthetic hormones and natural hormones, both are usually used with recurrence when treating some disorders, almost always when it is necessary to compensate for its lack or increase its levels in case they are lower than normal values.
Meanwhile, hormones belong to the group of so-called chemical messengers, which also include neurotransmitters.
Each cell it is capable of producing an incredible amount of regulatory molecules. The endocrine glands and their corresponding hormonal products, which we mentioned earlier, specialize in regulating the body and regulating itself. some organ or tissue, hence its importance, while hormones can be inhibited or stimulated by the following issues: other hormones,
concentration plasma ion or nutrients, mental activity and neurons, some environmental changes such as atmospheric pressure, the light, the temperature.According to their chemical nature, there are two main types of hormones, peptide and lipid. The former are derived from amino acids, oligopeptides or polypeptides, they are not capable of crossing the plasma membrane of the target cell. And the second ones are steroids and, contrary to the previous ones, they can cross the mentioned membrane.
Endocrinology is the specialty doctor who deals with the study of diseases related to hormones.
Topics in Hormone