04-HormonesS11b - Hormones & Homeostasis Lecture 11/Chapter...

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Lecture 11/Chapter 9 & 46
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Homeostasis : Part of homeostasis is getting individual cells to act as a unit (tissues or organs) Coordinate growth, position, movement, function Each cell influences cells around them—no cell act alone (under normal conditions) 2
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Cellular communication Communication accomplished through: an interplay of direct contact, and autocrine, paracrine, endocrine and neuronal, signaling 3 Figure 46.1
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Autocrine signaling Autocrine signaling : Communication between organelles Signaling molecule = Influence of autocrine signals can be overwhelmed by signals from elsewhere 4
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Direct contact Direct contact : Signaling molecule = membrane- bound receptors 5 See also Figure 9.2
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Paracrine signaling Paracrine signaling : Signaling molecule = paracrine regulators 6 Figure 9.2
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Endocrine signaling Endocrine signaling : Signaling molecule = Hormones travel through the circulatory system 7 Figure 9.2
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This note was uploaded on 02/07/2011 for the course BIO 111 taught by Professor Dr. bos during the Spring '10 term at Purdue University-West Lafayette.

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04-HormonesS11b - Hormones & Homeostasis Lecture 11/Chapter...

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