neurons
... Cell Body: Life support center of the neuron. Dendrites: Branching extensions at the cell body. Receive messages from other neurons. Axon: Long single extension of a neuron, covered with myelin [MY-uh-lin] sheath to insulate and speed up messages through neurons. Terminal Branches of axon: Branched ...
... Cell Body: Life support center of the neuron. Dendrites: Branching extensions at the cell body. Receive messages from other neurons. Axon: Long single extension of a neuron, covered with myelin [MY-uh-lin] sheath to insulate and speed up messages through neurons. Terminal Branches of axon: Branched ...
9.01 Exam #1 September 27, 2004 30 multiple
... 21) Some have compared the "all or none" action potential to flushing a toilet. The absolute refractory period (when no amount of pressing the lever will produce another flush) is set by: a) the inactivation of voltage insensitive potassium channels b) the inactivation of voltage gated calcium chann ...
... 21) Some have compared the "all or none" action potential to flushing a toilet. The absolute refractory period (when no amount of pressing the lever will produce another flush) is set by: a) the inactivation of voltage insensitive potassium channels b) the inactivation of voltage gated calcium chann ...
Choose from list!
... explain 3 body functions under smooth muscle, cardiac muscle and glands that are altered by EACH system. ...
... explain 3 body functions under smooth muscle, cardiac muscle and glands that are altered by EACH system. ...
The Nervous System: Basic Structure
... Axons- carries impulses away from the cell Myelin- insulates and protects the axon In multiple sclerosis, the myelin sheath is destroyed Speeds transmission of impulses ...
... Axons- carries impulses away from the cell Myelin- insulates and protects the axon In multiple sclerosis, the myelin sheath is destroyed Speeds transmission of impulses ...
Neuroanatomy- anatomy of nerve cell (neuron)
... Potassium ions rush out of the axon causing it to return to its resting state (negative charge) Inhibitory neurotransmitters – chemicals that inhibit (slow down) the next cell from firing (Antagonist) Excitatory neurotransmitters – chemicals that excite (speed up) the next cell firing (Agonist) Reup ...
... Potassium ions rush out of the axon causing it to return to its resting state (negative charge) Inhibitory neurotransmitters – chemicals that inhibit (slow down) the next cell from firing (Antagonist) Excitatory neurotransmitters – chemicals that excite (speed up) the next cell firing (Agonist) Reup ...
Kevin
... ions are returned to their original sides. While the neuron is pumping the ions to their respective sides, it does not respond to incoming stimuli. After this is complete, the neuron is back to its polarized state and stays in resting potential until another impulse occurs. ...
... ions are returned to their original sides. While the neuron is pumping the ions to their respective sides, it does not respond to incoming stimuli. After this is complete, the neuron is back to its polarized state and stays in resting potential until another impulse occurs. ...
Biology of Humans 2/e
... The signal passes across the synaptic cleft as a chemical called neurotransmitter which is released from vesicles by exocytosis. Neurotransmitter is a chemical that is secreted into a synaptic cleft by a neuron that affects another neuron or an effector by binding with receptors on it. The sending c ...
... The signal passes across the synaptic cleft as a chemical called neurotransmitter which is released from vesicles by exocytosis. Neurotransmitter is a chemical that is secreted into a synaptic cleft by a neuron that affects another neuron or an effector by binding with receptors on it. The sending c ...
Nerve Cells and Electrical Signaling
... Type the question and your answer, in complete sentences, on a separate sheet of paper. Turn in your answers to the Lab Instructor. 1) Describe the anatomical organization of the nervous system, including how those nerves are organized within the nervous system. 2) Describe the structure of a neuron ...
... Type the question and your answer, in complete sentences, on a separate sheet of paper. Turn in your answers to the Lab Instructor. 1) Describe the anatomical organization of the nervous system, including how those nerves are organized within the nervous system. 2) Describe the structure of a neuron ...
Brain Notes - Cloudfront.net
... which fuse with the axon terminal’s membrane and travel into the synaptic cleft, ready to bind to receptors in the postsynaptic membrane ...
... which fuse with the axon terminal’s membrane and travel into the synaptic cleft, ready to bind to receptors in the postsynaptic membrane ...
nerve slide show
... Spiderlike phagocytes that get rid of debris like dead cells and bacteria Cells that line central cavities and have cilia that move cerebrospinal fluid and form a protective cushion around the CNS. Glia that wrap their flat extensions around nerve fibers producing a fatty ...
... Spiderlike phagocytes that get rid of debris like dead cells and bacteria Cells that line central cavities and have cilia that move cerebrospinal fluid and form a protective cushion around the CNS. Glia that wrap their flat extensions around nerve fibers producing a fatty ...
17-01-05 1 Golgi - stained neurons Neuronal function
... primary functions of neurons to generate, send, receive, and integrate (process) electro-chemical signals that encode information. The physiolgical processes required for neural communication will be the focus between now and the midterm exam Neurons communicate with each other via synapses Where ar ...
... primary functions of neurons to generate, send, receive, and integrate (process) electro-chemical signals that encode information. The physiolgical processes required for neural communication will be the focus between now and the midterm exam Neurons communicate with each other via synapses Where ar ...
2 - IS MU
... the cause of hyperpolarization of the postsynaptic membrane and thus its depolarization (formation of an action potential) disabled. The receptor is a heteropentamer ...
... the cause of hyperpolarization of the postsynaptic membrane and thus its depolarization (formation of an action potential) disabled. The receptor is a heteropentamer ...
Text 4-Nervous system: Organization and Physiology
... “affects” what will happen next) into the CNS & (2) efferent neurons (“effecting” change: movement, secretion, etc.) projecting out of the CNS. ...
... “affects” what will happen next) into the CNS & (2) efferent neurons (“effecting” change: movement, secretion, etc.) projecting out of the CNS. ...
Brain
... Excitatory: increases the frequency of action potential Inhibitory: decreases the frequency of action potential De-activation: effect of neurotransmitter stopped (destroyed by special enzyme) Re-uptake: reabsorbed by the terminal buttons. Drugs can inhibit re-uptake so that the neurotransmitter rema ...
... Excitatory: increases the frequency of action potential Inhibitory: decreases the frequency of action potential De-activation: effect of neurotransmitter stopped (destroyed by special enzyme) Re-uptake: reabsorbed by the terminal buttons. Drugs can inhibit re-uptake so that the neurotransmitter rema ...
Document
... http://www.miracosta.cc.ca.us/home/sfoster/neurons/glossary.htm http://www.wwnorton.com/college/pysh/gman5/glossary/T.htm ...
... http://www.miracosta.cc.ca.us/home/sfoster/neurons/glossary.htm http://www.wwnorton.com/college/pysh/gman5/glossary/T.htm ...
Slide 1 - MisterSyracuse.com
... 16. Many tasks in the body are taken care of by the unconscious part of the brain, so that the brain’s owner doesn’t have to think about them. These tasks are performed by the A. Cerebrum B. Malpighian tubule C. Cortex D. Cerebellum _________ 17. Name three tasks that might be performed by the stru ...
... 16. Many tasks in the body are taken care of by the unconscious part of the brain, so that the brain’s owner doesn’t have to think about them. These tasks are performed by the A. Cerebrum B. Malpighian tubule C. Cortex D. Cerebellum _________ 17. Name three tasks that might be performed by the stru ...
List of vocabulary used in understanding the nervous
... membrane that make use of the countervailing gradients of sodium and potassium ions across the membrane. Potassium ion concentration is high inside cells and low outside; sodium ion concentration is the opposite. The sodium and potassium ion concentration gradients are restored by an active transpor ...
... membrane that make use of the countervailing gradients of sodium and potassium ions across the membrane. Potassium ion concentration is high inside cells and low outside; sodium ion concentration is the opposite. The sodium and potassium ion concentration gradients are restored by an active transpor ...
![[j26]Chapter 7#](http://s1.studyres.com/store/data/015520931_1-d3d263c2c8c221955c9bc7f03ee94039-300x300.png)
[j26]Chapter 7#
... next cell in the sequence via electrical synapses or gap junctions, or indirectly are responsible for activating the release of specialized neurotransmitter chemicals. Released from vesicles into the synaptic space, these neurotransmitters diffuse a short distance, bind to specialized receptors inte ...
... next cell in the sequence via electrical synapses or gap junctions, or indirectly are responsible for activating the release of specialized neurotransmitter chemicals. Released from vesicles into the synaptic space, these neurotransmitters diffuse a short distance, bind to specialized receptors inte ...
![[j26]Chapter 7#](http://s1.studyres.com/store/data/009487154_1-bf88061009d68b903e2c1573596f45de-300x300.png)
[j26]Chapter 7#
... next cell in the sequence via electrical synapses or gap junctions, or indirectly are responsible for activating the release of specialized neurotransmitter chemicals. Released from vesicles into the synaptic space, these neurotransmitters diffuse a short distance, bind to specialized receptors inte ...
... next cell in the sequence via electrical synapses or gap junctions, or indirectly are responsible for activating the release of specialized neurotransmitter chemicals. Released from vesicles into the synaptic space, these neurotransmitters diffuse a short distance, bind to specialized receptors inte ...
Nervous Systems (ch. 48 & 49) Sum13
... 2. Sensory neuron dendrites & cell bodies AND motor neuron axons 3. Interneurons only 4. Motor neuron dendrites and interneuron axons ...
... 2. Sensory neuron dendrites & cell bodies AND motor neuron axons 3. Interneurons only 4. Motor neuron dendrites and interneuron axons ...
OCR Document - MrsGorukhomework
... electrically charged, cannot dissolve in the lipid and can't directly diffuse across. In order to cross, they must either be transported by proteins or move through ion channels or pores gated ion channels. The ion channels are specific to ions - ones for Na+, others for CI- and K +. Cell has a grea ...
... electrically charged, cannot dissolve in the lipid and can't directly diffuse across. In order to cross, they must either be transported by proteins or move through ion channels or pores gated ion channels. The ion channels are specific to ions - ones for Na+, others for CI- and K +. Cell has a grea ...
Nervous System
... Synapse are joints where neurons meet. This a space that impulses must travel through to reach another neuron. Axodendritic synapse: Synapse b/w an axon and dendrite of another cell. Axosomic synapse: Synapses between, two axons (axoaxonic), or two dendrites (dendrodendritic), or a dendrite an ...
... Synapse are joints where neurons meet. This a space that impulses must travel through to reach another neuron. Axodendritic synapse: Synapse b/w an axon and dendrite of another cell. Axosomic synapse: Synapses between, two axons (axoaxonic), or two dendrites (dendrodendritic), or a dendrite an ...