chapter 44B - Neurons and Nervous Systems 44 Neurons and...

Info iconThis preview shows pages 1–13. Sign up to view the full content.

View Full Document Right Arrow Icon
44 Neurons and Nervous Systems
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
44 Neurons and Nervous Systems Nervous Systems: Cells and Functions Neurons: Generating and Conducting Nerve Impulses Neurons, Synapses, and Communication
Background image of page 2
44 Neurons, Synapses, and Communication Neurons communicate with each other and other cells at specialized junctions called synapses , where plasma membranes of two cells come close together.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
44 Neurons, Synapses, and Communication The classic chemical synapse is the neuromuscular junction , a synapse between a motor neuron and muscle cell. Its neurotransmitter is acetylcholine , which causes a depolarization of the postsynaptic membrane when it binds to its receptor.
Background image of page 4
44 Mammalian Neuromuscular Junction Neurons, Synapses, and Communication
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
44 Figure 44.14 Figure 44.14 Neurons, Synapses, and Communication
Background image of page 6
44 Schwann cell Nerve Terminal Muscle Fiber Neurons, Synapses, and Communication
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
44 Synaptic vesicle Mitochondrion Synaptic Cleft Post-Synaptic Surface Basal Lamina Active Zone Neurons, Synapses, and Communication
Background image of page 8
44 Figure 44.16 Figure 44.16 Neurons, Synapses, and Communication
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
44 Figure 44.15 Figure 44.15 Neurons, Synapses, and Communication
Background image of page 10
44 Neurons, Synapses, and Communication Animation 44-03
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
44 Synapses between neurons are either excitatory or inhibitory . In our CNS, the major excitatory neurotransmitter is
Background image of page 12
Image of page 13
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/30/2008 for the course BIO 201 taught by Professor Masters during the Spring '08 term at Johns Hopkins.

Page1 / 28

chapter 44B - Neurons and Nervous Systems 44 Neurons and...

This preview shows document pages 1 - 13. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online