Login processing...

Trial ends in Request Full Access Tell Your Colleague About Jove
Глава 21
Что такое эндокринная система?
The endocrine system sends hormones—chemical signals—through the bloodstream to target cells—the cells the hormones selectively…
Типы гормонов
Hormones can be classified into three main types based on their chemical structures: steroids, peptides, and amines. Their actions are mediated by…
Внутриклеточные рецепторы гормонов
Lipid-soluble hormones diffuse across the plasma and nuclear membrane of target cells to bind to their specific intracellular receptors. These…
Сигналы поверхности клеток
Hormones—or any molecule that binds to a receptor, known as a ligand—that are lipid-insoluble (water-soluble) are not able to diffuse…
Циклы обратной связи
In most cases, excessive hormone production is prevented by negative feedback—a loop that starts with a stimulus inducing the release of a…
Гипоталамо-пролактиновая ось
The response to stress—be it physical or psychological, acute or chronic—involves activation of the Hypothalamic-Pituitary-Adrenal (HPA)…

Get cutting-edge science videos from JoVE sent straight to your inbox every month.

Waiting X
simple hit counter