The Nervous System
... In addition to these selective ion channels, there is a pump that uses energy to move 3 Sodium (Na+) ions out of the neuron for every 2 Potassium (K+) ions it puts in. Finally, when all these forces balance out, and the difference in the voltage between the inside and outside of the neuron is measur ...
... In addition to these selective ion channels, there is a pump that uses energy to move 3 Sodium (Na+) ions out of the neuron for every 2 Potassium (K+) ions it puts in. Finally, when all these forces balance out, and the difference in the voltage between the inside and outside of the neuron is measur ...
Neuroscience - HuskiesScience
... • Once sodium has rushed in, the cell quickly regains its composure (hyperpolarize) • Active process in which sodium is removed from the cell • Sodium is exchanged for potassium • Requires metabolic activity • Returns charge inside cell to -70 mV • Refractory period-neuron cannot fire ...
... • Once sodium has rushed in, the cell quickly regains its composure (hyperpolarize) • Active process in which sodium is removed from the cell • Sodium is exchanged for potassium • Requires metabolic activity • Returns charge inside cell to -70 mV • Refractory period-neuron cannot fire ...
File
... organize and remember the material. Outline Section 36–2 by first writing the section headings as major topics in the order in which they appear in the book. Then, beneath each major topic, list important details about it. Title your outline The Muscular System. Do your work on a separate sheet of p ...
... organize and remember the material. Outline Section 36–2 by first writing the section headings as major topics in the order in which they appear in the book. Then, beneath each major topic, list important details about it. Title your outline The Muscular System. Do your work on a separate sheet of p ...
Impulse Conduction Practice Questions
... a. Which area of the graph indicates the diffusion of Na+ ions into the neurons? Explain your answer. (2 marks) ...
... a. Which area of the graph indicates the diffusion of Na+ ions into the neurons? Explain your answer. (2 marks) ...
Theoretical neuroscience: Single neuron dynamics and computation
... Local networks in cerebral cortex • Size ∼ cubic mm • Total number of cells ∼ 100,000 ...
... Local networks in cerebral cortex • Size ∼ cubic mm • Total number of cells ∼ 100,000 ...
CHAPTER 5 SIGNALLING IN NEURONS
... its target neuron(s) will also be postsynaptic to one or more neurons that provide its input. ...
... its target neuron(s) will also be postsynaptic to one or more neurons that provide its input. ...
Sensory receptors
... • Supporting cells contain enzymes that oxidize hydrophobic volatile odorants. • Bipolar sensory neurons located within olfactory epithelium are pseudostratified. • Axon projects directly up into olfactory bulb of cerebrum. • Olfactory bulb projects to olfactory cortex, hippocampus, and amygdaloid n ...
... • Supporting cells contain enzymes that oxidize hydrophobic volatile odorants. • Bipolar sensory neurons located within olfactory epithelium are pseudostratified. • Axon projects directly up into olfactory bulb of cerebrum. • Olfactory bulb projects to olfactory cortex, hippocampus, and amygdaloid n ...
Practice Questions for Exam 2 As you prepare for the exam you
... 68) In class we went over the details of how a motor neuron conducts an action potential. You should be able to draw and label a motor neuron and describe how an action potential is conducted. 69) Describe the difference between continuous and salutatory conduction. 70) Paralytic shellfish poisoning ...
... 68) In class we went over the details of how a motor neuron conducts an action potential. You should be able to draw and label a motor neuron and describe how an action potential is conducted. 69) Describe the difference between continuous and salutatory conduction. 70) Paralytic shellfish poisoning ...
Neural Basis of Motor Control
... Neural Transmission • Each axon is enclosed in cellular (myelin) sheath of lipid material that insulates the axon. • The sheaths wrapped together in many layers is called myelinated fibers. If it is only wrapped in one layer it is called unmyelinated fibers. • Large myelintated fibers (1-2 mm) c ...
... Neural Transmission • Each axon is enclosed in cellular (myelin) sheath of lipid material that insulates the axon. • The sheaths wrapped together in many layers is called myelinated fibers. If it is only wrapped in one layer it is called unmyelinated fibers. • Large myelintated fibers (1-2 mm) c ...
Chapter 02_Quiz - Biloxi Public Schools
... the cell body to receive information from other neurons are called: ...
... the cell body to receive information from other neurons are called: ...
peripheral nervous system
... It is a slender process. It may transfer the nerve impulses from the beginning part (axon hillock) to the end (axon terminal). Because the axoplasm does not contain RNA and ribosome, proteins synthesis cannot take place in the axon. All axonal proteins, therefore, must come from the cell body, and t ...
... It is a slender process. It may transfer the nerve impulses from the beginning part (axon hillock) to the end (axon terminal). Because the axoplasm does not contain RNA and ribosome, proteins synthesis cannot take place in the axon. All axonal proteins, therefore, must come from the cell body, and t ...
Document
... Multiple axonal swellings (varicosities) are sites of neurotransmitter vesicle accumulation. Post-synaptic target (smooth muscle, gland, etc.) lacks post-synaptic density. Target cell neurotransmitter receptors are broadly distributed on surface. Released neurotransmitter acts diffusely over distanc ...
... Multiple axonal swellings (varicosities) are sites of neurotransmitter vesicle accumulation. Post-synaptic target (smooth muscle, gland, etc.) lacks post-synaptic density. Target cell neurotransmitter receptors are broadly distributed on surface. Released neurotransmitter acts diffusely over distanc ...
General Psychology Chapter 2 - Sarah Rach
... • When released by the sending neuron, neurotransmitters travel across the synapse and bind to receptor sites on the receiving neuron, thereby influencing whether that neuron will generate an impulse • Reuptake: the sending neuron normally reabsorbs excess neurotransmitter molecules ...
... • When released by the sending neuron, neurotransmitters travel across the synapse and bind to receptor sites on the receiving neuron, thereby influencing whether that neuron will generate an impulse • Reuptake: the sending neuron normally reabsorbs excess neurotransmitter molecules ...
Chapter 11 - Nervous Tissue
... specialized for synthesis, release, reception and removal of neurotransmitters neurotransmitters chemical signal molecules released from a presynaptic neuron function to open or close chemically-gated ion channels effect membrane permeability and membrane potential ...
... specialized for synthesis, release, reception and removal of neurotransmitters neurotransmitters chemical signal molecules released from a presynaptic neuron function to open or close chemically-gated ion channels effect membrane permeability and membrane potential ...
The Nervous System
... • The myelin sheath is made by ________ in the CNS and by _________ in the PNS. • This wrapping is never complete. Interspersed along the axon are gaps where there is no myelin – these are nodes of Ranvier. • In the PNS, the exterior of the Schwann cell surrounding an axon is the neurilemma ...
... • The myelin sheath is made by ________ in the CNS and by _________ in the PNS. • This wrapping is never complete. Interspersed along the axon are gaps where there is no myelin – these are nodes of Ranvier. • In the PNS, the exterior of the Schwann cell surrounding an axon is the neurilemma ...
Ch. 3 S. 1
... to several feet. Because of the length of their axons, some neurons in your legs are several feet long. Many axons are covered with __________________, a white fatty substance that insulates and protects the axon. This myelin sheath, or casing, also helps to speed up the transmission of the message. ...
... to several feet. Because of the length of their axons, some neurons in your legs are several feet long. Many axons are covered with __________________, a white fatty substance that insulates and protects the axon. This myelin sheath, or casing, also helps to speed up the transmission of the message. ...
What happens in hereditary color deficiency? Red or green cone
... Receptors show adaptation ◦ most sensitive to changes rather than constant stimulation ◦ why is this important? ...
... Receptors show adaptation ◦ most sensitive to changes rather than constant stimulation ◦ why is this important? ...
Unit 3 - Mayfield City Schools
... - responds to input from the dendrites and soma -transmits a neural message down its length and then passes its information on to other cells -branch out from soma -receive input from other neurons through receptors on their surface -fatty coating surrounding the axon -insulation for the electrical ...
... - responds to input from the dendrites and soma -transmits a neural message down its length and then passes its information on to other cells -branch out from soma -receive input from other neurons through receptors on their surface -fatty coating surrounding the axon -insulation for the electrical ...
The Nervous System Lesson Outline LESSON 1 A.
... system of the PNS regulates involuntary actions such as dilating blood vessels and the beating of the heart. It also controls cardiac muscles and ...
... system of the PNS regulates involuntary actions such as dilating blood vessels and the beating of the heart. It also controls cardiac muscles and ...
Chapter 2, continued Basal ganglia Has three principal structures
... From top to bottom, the spinal nerves are: - Eight cervical nerves at the top of the spine, numbered C1-8, which are related to the head, shoulders, and arms - Twelve thoracic nerves, numbered T1-T12, are related to the torso - Five lumbar nerves, numbered L1-L5, are attached to the waist and the fr ...
... From top to bottom, the spinal nerves are: - Eight cervical nerves at the top of the spine, numbered C1-8, which are related to the head, shoulders, and arms - Twelve thoracic nerves, numbered T1-T12, are related to the torso - Five lumbar nerves, numbered L1-L5, are attached to the waist and the fr ...
Textbook PowerPoint
... airborne molecules into the nasal cavities, where the substances activate highly specialized receptors for smell, located in the olfactory epithelium ...
... airborne molecules into the nasal cavities, where the substances activate highly specialized receptors for smell, located in the olfactory epithelium ...