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The endocrine system [1] is a messenger system in an organism comprising feedback loops of hormones that are released by internal glands directly into the circulatory system and that target and regulate distant organs.
Neuroendocrinology is the branch of biology (specifically of physiology) which studies the interaction between the nervous system and the endocrine system; i.e. how the brain regulates the hormonal activity in the body. [1]
Opening page of The System of Nature.. The work was originally published under the name of Jean-Baptiste de Mirabaud, a deceased member of the French Academy of Science.D'Holbach wrote and published this book – possibly with the assistance of Denis Diderot [1] but with the support of Jacques-André Naigeon – anonymously in 1770, describing the universe in terms of the principles of ...
Painting by Jean-Adolphe Beaucé of French Expeditionary Corps landing in Beyrouth, 16 August 1860. The Règlement Organique ("Organic Regulation") was a series of international conventions, between 1860 and 1864, between the Ottoman Empire and the European Powers, which led to the creation of the Mount Lebanon Mutasarrifate.
A comparison of the structures of the natural estrogen hormone estradiol (left) and one of the nonyl-phenols (right), a xenoestrogen endocrine disruptor. Endocrine disruptors, sometimes also referred to as hormonally active agents, [1] endocrine disrupting chemicals, [2] or endocrine disrupting compounds [3] are chemicals that can interfere with endocrine (or hormonal) systems. [4]
Systems can be isolated, closed, or open. A system is a group of interacting or interrelated elements that act according to a set of rules to form a unified whole. [1] A system, surrounded and influenced by its environment, is described by its boundaries, structure and purpose and is expressed in its functioning.
In organic chemistry, endo–exo isomerism is a special type of stereoisomerism found in organic compounds with a substituent on a bridged ring system. [1] The prefix endo is reserved for the isomer with the substituent located closest, or "syn", to the longest bridge.
T-s diagram for the ideal/real ORC. The working principle of the organic Rankine cycle is the same as that of the Rankine cycle: the working fluid is pumped to a boiler where it is evaporated, passed through an expansion device (turbine, [3] screw, [4] scroll, [5] or other expander), and then through a condenser heat exchanger where it is finally re-condensed.