Chapter 3 Notes (part 1) 1. Basic Elements of the Nervous System (a
... selectively-permeable membrane which separates the cytoplasm from the extracellular matrix contains ion channels and protein pumps which manage the flow of ions (charged particles) into and out of the cell C. Axon The part of the cell which carries the electrical signal (action potential); in ...
... selectively-permeable membrane which separates the cytoplasm from the extracellular matrix contains ion channels and protein pumps which manage the flow of ions (charged particles) into and out of the cell C. Axon The part of the cell which carries the electrical signal (action potential); in ...
Nervous System
... Oligodendrocytes – branched cells that wrap CNS nerve fibers with myelin Schwann cells (neurolemmocytes) – surround fibers of the PNS with myelin Satellite cells surround neuron cell bodies with ...
... Oligodendrocytes – branched cells that wrap CNS nerve fibers with myelin Schwann cells (neurolemmocytes) – surround fibers of the PNS with myelin Satellite cells surround neuron cell bodies with ...
Neurons
... To translate this into terms of a real system, core body temperature is closely regulated by a negative feedback system. The sensors of the system are thermosensory neurons scattered about the thorax and abdomen. The integrating center is in the hypothalamus of the brain. The effectors ...
... To translate this into terms of a real system, core body temperature is closely regulated by a negative feedback system. The sensors of the system are thermosensory neurons scattered about the thorax and abdomen. The integrating center is in the hypothalamus of the brain. The effectors ...
DOC - ADAM Interactive Anatomy
... A chemical, called a ______________________, is released from the sending neuron and travels across the ___________________(a gap between the neurons) to the receiving neuron. Advantages of the chemical synapse: 1. The signal can be either ____________ or ____________. 2. The signal can be _________ ...
... A chemical, called a ______________________, is released from the sending neuron and travels across the ___________________(a gap between the neurons) to the receiving neuron. Advantages of the chemical synapse: 1. The signal can be either ____________ or ____________. 2. The signal can be _________ ...
File
... ________ The nerve cell that carriers impulses from a sense receptor to the brain and spinal cord. ________ The nerve cell that connects sensory and motor neurons. ________ The nerve cell that transmits impulses from the brain or spinal cord to a muscle or a gland. 3. There are three structural clas ...
... ________ The nerve cell that carriers impulses from a sense receptor to the brain and spinal cord. ________ The nerve cell that connects sensory and motor neurons. ________ The nerve cell that transmits impulses from the brain or spinal cord to a muscle or a gland. 3. There are three structural clas ...
Communication between Neurons
... with the others around the pre-synaptic membrane. ii) Release of neurotransmitters The release of neurotransmitters is triggered by the arrival at the terminal button of an action potential along the axon. Voltage sensitive Ca ion gates in the presynaptic membrane are opened. When the Calcium ions e ...
... with the others around the pre-synaptic membrane. ii) Release of neurotransmitters The release of neurotransmitters is triggered by the arrival at the terminal button of an action potential along the axon. Voltage sensitive Ca ion gates in the presynaptic membrane are opened. When the Calcium ions e ...
Nervous System Notes - Mrs. Franco's Biology & Anatomy Page
... cells found around cell bodies of neurons in ganglia Ganglia = bunched up cell bodies in PNS ...
... cells found around cell bodies of neurons in ganglia Ganglia = bunched up cell bodies in PNS ...
Nerve Impulses - Tamalpais Union High School District
... invertebrates, (who live at temperatures close to 0°C), developed thick axons to speed up their responses. This explains why squid have their giant axons. • Myelin sheath - Only vertebrates have a myelin sheath surrounding their neurons. The voltage-gated ion channels are found only at the nodes of ...
... invertebrates, (who live at temperatures close to 0°C), developed thick axons to speed up their responses. This explains why squid have their giant axons. • Myelin sheath - Only vertebrates have a myelin sheath surrounding their neurons. The voltage-gated ion channels are found only at the nodes of ...
An adult is experiencing inferior alternating hemiplegia. Which
... A) It is associated with the posterior cerebral artery. B) Muscles of the lower face are weak on the right side. C) The protruded tongue deviates to the right side. D) Brisk DTRs are present in the right arm. E) Stroking the left foot produces a Babinski response. DTRs = deep tendon reflexes = muscl ...
... A) It is associated with the posterior cerebral artery. B) Muscles of the lower face are weak on the right side. C) The protruded tongue deviates to the right side. D) Brisk DTRs are present in the right arm. E) Stroking the left foot produces a Babinski response. DTRs = deep tendon reflexes = muscl ...
Nervous Dia rams
... 5. A rapid automatic response to a stimulus. 6. The covering of fatty material that speeds up the passage of nerve impulses. ...
... 5. A rapid automatic response to a stimulus. 6. The covering of fatty material that speeds up the passage of nerve impulses. ...
Stochastic fluctuations of the synaptic function
... having a 5-65 pA range. The histogram of the peak amplitudes showed a long right tail. If the variability of the postsynaptic response observed in hippocampal neurons should be extended to all the neurons of brain, it would constitute a strong biological constraint for all the theories about superio ...
... having a 5-65 pA range. The histogram of the peak amplitudes showed a long right tail. If the variability of the postsynaptic response observed in hippocampal neurons should be extended to all the neurons of brain, it would constitute a strong biological constraint for all the theories about superio ...
Lectures on mathematical neuroscience
... can encode information - place cells in hippocampus - coincidence detection for sound localization - orientation selectivity in visual cortex ...
... can encode information - place cells in hippocampus - coincidence detection for sound localization - orientation selectivity in visual cortex ...
7-Nerves - bloodhounds Incorporated
... (2) stretch receptors of muscles (3) equilibrium receptor of inner ear (4) receptors of skin (touch, pain, cold, heat). Chemo-receptors: chemicals sense solutes in solvents, taste, smell Osmo-receptors: of hypothalamus which monitors blood osmotic ...
... (2) stretch receptors of muscles (3) equilibrium receptor of inner ear (4) receptors of skin (touch, pain, cold, heat). Chemo-receptors: chemicals sense solutes in solvents, taste, smell Osmo-receptors: of hypothalamus which monitors blood osmotic ...
14.1 Nervous Control notes - Mr Cartlidge`s Saigon Science Blog
... CNS - brain and spinal cord, which have the role of coordination; PNS - nerves, which connect all parts of the body to the CNS; Sense organs are linked to the PNS; they contain groups of receptor cells; When exposed to a stimulus they generate an electrical impulse, which passes along periph ...
... CNS - brain and spinal cord, which have the role of coordination; PNS - nerves, which connect all parts of the body to the CNS; Sense organs are linked to the PNS; they contain groups of receptor cells; When exposed to a stimulus they generate an electrical impulse, which passes along periph ...
The Nervous System
... • 2. stacked dominoes waiting to fall over • 3. one domino falling over initiates a wave of action potentials spreading out like the ripples in a pond • 4. each action potential is just as strong as the previous action potential • 5. strength does not diminish as nerve impulse moves down the axon • ...
... • 2. stacked dominoes waiting to fall over • 3. one domino falling over initiates a wave of action potentials spreading out like the ripples in a pond • 4. each action potential is just as strong as the previous action potential • 5. strength does not diminish as nerve impulse moves down the axon • ...
Slide 1
... Neurons as info transmitters • Synapses • Location at which a process of one neuron communicates with a second neuron or a effector cell • Chemical synapse consists of presynaptic elements , postsynaptic elements and synaptic cleft • Unidirectional • The strength of effect on postsynaptic membrane ...
... Neurons as info transmitters • Synapses • Location at which a process of one neuron communicates with a second neuron or a effector cell • Chemical synapse consists of presynaptic elements , postsynaptic elements and synaptic cleft • Unidirectional • The strength of effect on postsynaptic membrane ...
Chapter 3: The Nervous System
... • GABA secreted by “local” interneurons all over the brain. ▫ Works as an off switch. ...
... • GABA secreted by “local” interneurons all over the brain. ▫ Works as an off switch. ...
the limbic system
... At an inhibitory synapse: an inhibitory postsynaptic potential (IPSP) {hyperpolarization} results when channels to potassium are opened. At an excitatory synapse: an excitatory postsynaptic potential (EPSP) {depolarization} results when channels to sodium are opened. The postsynaptic cell's membrane ...
... At an inhibitory synapse: an inhibitory postsynaptic potential (IPSP) {hyperpolarization} results when channels to potassium are opened. At an excitatory synapse: an excitatory postsynaptic potential (EPSP) {depolarization} results when channels to sodium are opened. The postsynaptic cell's membrane ...
The Nervous System
... or electrical signal. Electrical synapses cross gap junctions, such as in cardiac and smooth muscle. Neurotransmitters are used in nervous system synapses. They are released from the axon. Bouton / knobs / presynaptic terminal Neuromodulators – can influence an action potential ...
... or electrical signal. Electrical synapses cross gap junctions, such as in cardiac and smooth muscle. Neurotransmitters are used in nervous system synapses. They are released from the axon. Bouton / knobs / presynaptic terminal Neuromodulators – can influence an action potential ...
Nerve
... hyperpolarization: Synthesized knob to depolarize while several successive IPSP Synapse is junction between two neurons. The first ization by triggering new AP, nodes are rich in Na reason, huge number of positive charges incontains firing NT diffuses across synaptic cleft to bind its specific -Must ...
... hyperpolarization: Synthesized knob to depolarize while several successive IPSP Synapse is junction between two neurons. The first ization by triggering new AP, nodes are rich in Na reason, huge number of positive charges incontains firing NT diffuses across synaptic cleft to bind its specific -Must ...