Nervous System I - Laurel County Schools
... Central Nervous System and Peripheral Nervous System. Central Nervous System (CNS) composed of the brain and spinal cord Peripheral nervous system (PNS) composed of the nervous (cranial and spinal) that connects the CNS to other body parts. Together these systems provide three general functio ...
... Central Nervous System and Peripheral Nervous System. Central Nervous System (CNS) composed of the brain and spinal cord Peripheral nervous system (PNS) composed of the nervous (cranial and spinal) that connects the CNS to other body parts. Together these systems provide three general functio ...
Name
... 12. when one pre-synaptic neuron affects a response in two post-synaptic neurons 13. ovoid glial cells that are phagocytic 14. not having the ability to reproduce 15. clusters of neuron cell bodies found in the PNS 16. a chemical which diffuses across the synapse in order to affect a postsynaptic ne ...
... 12. when one pre-synaptic neuron affects a response in two post-synaptic neurons 13. ovoid glial cells that are phagocytic 14. not having the ability to reproduce 15. clusters of neuron cell bodies found in the PNS 16. a chemical which diffuses across the synapse in order to affect a postsynaptic ne ...
File
... synapses to make it more efficient During adolescence your brain has a major tidy-up and gets rid of lots of ...
... synapses to make it more efficient During adolescence your brain has a major tidy-up and gets rid of lots of ...
Nervous System
... 6. Which anatomical class do sensory neurons belong to and where are their cell bodies located? ...
... 6. Which anatomical class do sensory neurons belong to and where are their cell bodies located? ...
Synapses and Synaptic Transmission
... INTRODUCTION TO SYNAPSE: The CNS contains more than 100 billion neurons. Incoming signals enter the neuron through synapses located mostly on the neuronal dendrites, but also on the cell body. For different types of neurons, there may be only a few hundred or as many as 200,000 such synaptic connec ...
... INTRODUCTION TO SYNAPSE: The CNS contains more than 100 billion neurons. Incoming signals enter the neuron through synapses located mostly on the neuronal dendrites, but also on the cell body. For different types of neurons, there may be only a few hundred or as many as 200,000 such synaptic connec ...
Neural Pathways
... outside 3. channels then automatically close very quickly, but this causes the neighboring channels to open 4. it proceeds like a wave along the membrane to the tip of the axon 5. then it arrives at the synapse ...
... outside 3. channels then automatically close very quickly, but this causes the neighboring channels to open 4. it proceeds like a wave along the membrane to the tip of the axon 5. then it arrives at the synapse ...
Nervous System
... (morphine, heroin, cocaine, amphetamines, LSD, mescaline, …) have their effects by functioning as, blocking, or altering chemical synaptic activity. ...
... (morphine, heroin, cocaine, amphetamines, LSD, mescaline, …) have their effects by functioning as, blocking, or altering chemical synaptic activity. ...
Neuron Notes Neuron- Cells that carry messages throughout the
... 3. axons: (transmit/send signals) long fiber that carries impulses away from cell body. 4. myelin sheath: (lipids) insulating membrane around axon. There are small gaps in the myelin sheath along an axon called _nodes_____ Schwann Cells – individual cells of the myelin sheath 5. Axon Terminal- the e ...
... 3. axons: (transmit/send signals) long fiber that carries impulses away from cell body. 4. myelin sheath: (lipids) insulating membrane around axon. There are small gaps in the myelin sheath along an axon called _nodes_____ Schwann Cells – individual cells of the myelin sheath 5. Axon Terminal- the e ...
Neurons
... Classes of Neurons Afferent- do not have dendrites: transmit impulses from specialized structures to the Central Nervous System Efferent- conduct electrical signals from the CNS to muscle or glad cells Inter- reside entirely within the CNS and make up about 99% of all neurons ...
... Classes of Neurons Afferent- do not have dendrites: transmit impulses from specialized structures to the Central Nervous System Efferent- conduct electrical signals from the CNS to muscle or glad cells Inter- reside entirely within the CNS and make up about 99% of all neurons ...
Nervous System Outline 1
... C. Motor Output – Sending out of impulses from the brain or spinal cord to glands or muscles to “create” a response. 1. The response is carried out by Effector Cells. a. Effectors are Muscles or Glands. These structures can have an effect on your body. D. Peripheral Nervous System (PNS) 1. This incl ...
... C. Motor Output – Sending out of impulses from the brain or spinal cord to glands or muscles to “create” a response. 1. The response is carried out by Effector Cells. a. Effectors are Muscles or Glands. These structures can have an effect on your body. D. Peripheral Nervous System (PNS) 1. This incl ...
CH 8 Nervous part 1
... In the normal communication process, dopamine is released by a neuron into the synapse, where it can bind to dopamine receptors on neighboring neurons. Normally, dopamine is then recycled back into the transmitting neuron by a specialized protein called the dopamine transporter. If cocaine is pres ...
... In the normal communication process, dopamine is released by a neuron into the synapse, where it can bind to dopamine receptors on neighboring neurons. Normally, dopamine is then recycled back into the transmitting neuron by a specialized protein called the dopamine transporter. If cocaine is pres ...
Biological synaptic functioning ordering activity
... The Biological approach to Psychology Synaptic functioning Put these processes in the correct order ...
... The Biological approach to Psychology Synaptic functioning Put these processes in the correct order ...
The Nervous System : communication
... inhalation, swallowing or absorption through eyes or mouth Strychnine is a neurotoxin which acts as an antagonist of acetylcholine receptors. It primarily affects the motor nerves in the spinal cord which control muscle contraction. An impulse is triggered at one end of a nerve by the binding of neu ...
... inhalation, swallowing or absorption through eyes or mouth Strychnine is a neurotoxin which acts as an antagonist of acetylcholine receptors. It primarily affects the motor nerves in the spinal cord which control muscle contraction. An impulse is triggered at one end of a nerve by the binding of neu ...
Bioenergetics - Eastern Michigan University
... Action potential – Occurs when depolarization reaches threshold • Permeability of the membrane changes, allowing Na+ into the cell, making the interior positively ...
... Action potential – Occurs when depolarization reaches threshold • Permeability of the membrane changes, allowing Na+ into the cell, making the interior positively ...
State Dependant Synaptic Plasticity in Purkinje Cells
... memory traces at the parallel fibers (pf) synapse. According to this theory, the climbing fibers (cf) control the learning process by inducing long-term depression (LTD) of the simultaneously activated pf synapses. In a recent study we showed that Purkinje cells (PCs), under in vivo conditions, disp ...
... memory traces at the parallel fibers (pf) synapse. According to this theory, the climbing fibers (cf) control the learning process by inducing long-term depression (LTD) of the simultaneously activated pf synapses. In a recent study we showed that Purkinje cells (PCs), under in vivo conditions, disp ...
PowerPoint for 9/29
... either fires or it doesn’t; more stimulation does nothing. This is known as the “all-ornone” response. ...
... either fires or it doesn’t; more stimulation does nothing. This is known as the “all-ornone” response. ...
Nervous tissue
... • occur when neuron is stimulated by chemicals, light, heat or mechanical disturbance • depolarization decreases potential across cell membrane due to opening of gated Na+ channels • Na+ rushes in down concentration and electrical gradients • Na+ diffuses for short distance inside membrane producing ...
... • occur when neuron is stimulated by chemicals, light, heat or mechanical disturbance • depolarization decreases potential across cell membrane due to opening of gated Na+ channels • Na+ rushes in down concentration and electrical gradients • Na+ diffuses for short distance inside membrane producing ...
PowerPoint Slides
... time period. • Synapses vary in strength – Good connections allowing a large signal – Slight connections allow only a weak signal. – Synapses can be either excitatory or inhibitory. ...
... time period. • Synapses vary in strength – Good connections allowing a large signal – Slight connections allow only a weak signal. – Synapses can be either excitatory or inhibitory. ...
Name: Date: ______ 1. The self-examination of
... b) a cell that serves as the basic building block of the nervous system. c) a layer of fatty tissue that encases the fibers of many neurons. d) an antagonist molecule that blocks neurotransmitter receptor sites. 12. A synapse is a(n): a) neural cable containing many axons. b) chemical messenger that ...
... b) a cell that serves as the basic building block of the nervous system. c) a layer of fatty tissue that encases the fibers of many neurons. d) an antagonist molecule that blocks neurotransmitter receptor sites. 12. A synapse is a(n): a) neural cable containing many axons. b) chemical messenger that ...
Part 1: True/False
... C. Waking up in the middle of the night and writing unintelligible notes to himself D. Showing that 'stuff' dripping from the vagus nerve slows down the heart <––– E. Showing that heartbeat is controlled by vagus nerve 15. Neuropeptide Y is a peptide neurotransmitter. What can you say about this pep ...
... C. Waking up in the middle of the night and writing unintelligible notes to himself D. Showing that 'stuff' dripping from the vagus nerve slows down the heart <––– E. Showing that heartbeat is controlled by vagus nerve 15. Neuropeptide Y is a peptide neurotransmitter. What can you say about this pep ...
here
... sheaths allow nerve impulses to transmit more quickly along the axon. Sensory neurons – carry nerve impulses (e.g. vision, taste touch) to the CNS. Relay Neurons – Allow sensory and motor neurons to communicate with each other. Only found in brain and spinal cord. Motor Neurons – form synapses with ...
... sheaths allow nerve impulses to transmit more quickly along the axon. Sensory neurons – carry nerve impulses (e.g. vision, taste touch) to the CNS. Relay Neurons – Allow sensory and motor neurons to communicate with each other. Only found in brain and spinal cord. Motor Neurons – form synapses with ...
- Describe the roles of the different types of glial cells
... the tight junctions and prevent any leakage of unwanted substances into the brain. This helps create a very finely and tightly regulated environment and keeps out any potential toxins. Astrocytes also release various neurotrophic factors which regulate axonal growth and neuronal transport - Schwann ...
... the tight junctions and prevent any leakage of unwanted substances into the brain. This helps create a very finely and tightly regulated environment and keeps out any potential toxins. Astrocytes also release various neurotrophic factors which regulate axonal growth and neuronal transport - Schwann ...
Development
... Axons (with growth cones on end) form a synapse with other neurons or tissue (e.g. muscle) ...
... Axons (with growth cones on end) form a synapse with other neurons or tissue (e.g. muscle) ...
Stages in Neuromuscular Synapse Elimination
... Identify the series of events leading to the elimination of all but one neuromuscular synapse at developing motor endplates. ...
... Identify the series of events leading to the elimination of all but one neuromuscular synapse at developing motor endplates. ...