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In this video we will see how our cells communicate with each other and we will focus on the communication pathway defined as "humoral", that is the path that uses the product of the endocrine glands, ie hormones. We will also show how hormones can act based on the distance they travel in the body (autocrine, paracrine and endocrine action proper) and how their release is regulated through the "negative feedback" mechanism, using the stress axis as an example. , that is, the hormonal axis that leads to the release of cortisol.
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Finally, we remind you that the topics covered in the video have not been excessively explored by our choice: if you need further information, feel free to ask!
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Sources:
Structural, metabolic and functional medical biochemistry - Tettamanti and Siliprandi - PICCIN
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CHAPTERS:
0:00 Introduction
0:34 Cell communication pathways (nerve and humoral pathways)
1:17 The hypothalamus controls both lines of communication
1:30 What are hormones?
1:47 Organization of the endocrine glands
2:14 Classification of hormones based on chemical nature
2:57 Autocrine, paracrine and endocrine action proper
3:47 Specific receptors for hormones
4:26 The membrane receptors
4:59 The intracellular receptors
5:35 How are hormones released?
5:59 Negative feedback regulation mechanism (example, stress axis)
6:41 Conclusion and greetings
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#hormones #endocrinology
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Taggia (IM) - Liguria - Italy
Негізгі бет HORMONES: WHAT THEY ARE AND HOW THEY WORK - Hormonal action - Negative feedback - Stress axis
Пікірлер: 8