Chapter 21
내분비계
내분비계란 무엇인가?
The endocrine system sends hormones—chemical signals—through the bloodstream to target cells—the cells the hormones selectively affect. ...
세포 내 호르몬 수용체
Lipid-soluble hormones diffuse across the plasma and nuclear membrane of target cells to bind to their specific intracellular receptors. These receptors ...
세포 표면 신호전달
Hormones—or any molecule that binds to a receptor, known as a ligand—that are lipid-insoluble (water-soluble) are not able to diffuse across ...
되먹임 고리
In most cases, excessive hormone production is prevented by negative feedback—a loop that starts with a stimulus inducing the release of a ...
시상하부-뇌하수체 축
The response to stress—be it physical or psychological, acute or chronic—involves activation of the Hypothalamic-Pituitary-Adrenal (HPA) axis. ...
호르몬의 종류
Hormones can be classified into three main types based on their chemical structures: steroids, peptides, and amines. Their actions are mediated by the ...
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