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bild2_20 - BILD 2 Multicellular Life LECTURE#20 Website...

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BILD 2: Multicellular Life LECTURE #20 Website: http://www.biology.ucsd.edu/classes/bild2.WI11.1 Instructor: Darwin K. Berg ([email protected]) ANNOUNCEMENTS: Prob Sets #5 & #6 have been posted on the website. They represent the final exams in two previous years.
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Blood vessel Response Response Response Response (a) Endocrine signaling (b) Paracrine signaling (c) Autocrine signaling (d) Synaptic signaling Neuron Neurosecretory cell (e) Neuroendocrine signaling Blood vessel Synapse Response a) Secreted molecules diffuse into the bloodstream and trigger responses in target cells anywhere in the body. b) Secreted molecules diffuse locally and trigger a response in neighboring cells. c) Secreted molecules diffuse locally and trigger a response in the cells that secrete them. d) Neurotransmitters diffuse across synapses and trigger responses in cells of target tissues (neurons, muscles, or glands). e) Neurohormones diffuse into the bloodstream and trigger responses in target cells anywhere in the body.
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