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lec18-12 - b stomach uterus bladder(b" multi-unit"...

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KIN 205: Chapter 12, Smooth Muscle: Two Types of Smooth Muscle: (a) " single-unit " Fig. 12-25a = all muscle fibres in the muscle will contract if 1 or 2 of the muscle fibres are depolarized to threshold head2right neighbouring cells joined by gap junctions transmit action potentials head2right example : hollow bodied structures barb2right
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Unformatted text preview: b stomach, uterus, bladder (b) " multi-unit " Fig. 12-25b = functionally independent units of muscle fibres that contract independently of each other. h excited by the autonomic nervous system h example : blood vessels, respiratory tract, base of the hair follicles Figure 12-25 Figure 12-25...
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