Autonomic Nervous System
... • The myelin sheath is made by _O_______ in the CNS and by _S________ 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 _O_______ in the CNS and by _S________ 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 ...
Chapter 2A Practice Test
... B) dendntes to the axon to the ce11 body' C) axon to the cell body to the dendntes' D) dendntes to the cell body to lhe axon' E) axon to the dendntes to the cell body' ...
... B) dendntes to the axon to the ce11 body' C) axon to the cell body to the dendntes' D) dendntes to the cell body to lhe axon' E) axon to the dendntes to the cell body' ...
1 - optometrie.ch
... dynamic process; and that when it stops, the axon dies. This is because the axon has little machinery (organelles) to make molecules that the axon requires for survival. The cell body has most of the machinery (organelles) that produce the molecules that the axon needs for survival. The molecules ge ...
... dynamic process; and that when it stops, the axon dies. This is because the axon has little machinery (organelles) to make molecules that the axon requires for survival. The cell body has most of the machinery (organelles) that produce the molecules that the axon needs for survival. The molecules ge ...
Unit 3A–Neural Processing and the Endocrine System
... down an axon (2 Words) a major excitatory neurotransmitter; involved in memory; an oversupply can overstimulate the brain, producing migraines or seizures (which is why some people avoid MSG, monosodium glutamate) neurotransmitter that affects mood, hunger, sleep, and arousal bundled axons that form ...
... down an axon (2 Words) a major excitatory neurotransmitter; involved in memory; an oversupply can overstimulate the brain, producing migraines or seizures (which is why some people avoid MSG, monosodium glutamate) neurotransmitter that affects mood, hunger, sleep, and arousal bundled axons that form ...
Click Here To
... Allow a two-way flow of information even though each neuron transmits information only in one direction Regeneration: Neurons in the CNS don’t easily regenerate Neurons in the PNS can regrow to repair a small gap (few millimeters) between nerves ...
... Allow a two-way flow of information even though each neuron transmits information only in one direction Regeneration: Neurons in the CNS don’t easily regenerate Neurons in the PNS can regrow to repair a small gap (few millimeters) between nerves ...
Central nervous system
... The Action Potential • If the action potential (nerve impulse) starts, it is propagated over the entire axon • Potassium ions rush out of the neuron after sodium ions rush in • Sodium and potassium are actively transported back to their original positions = repolarization • Membrane is at rest agai ...
... The Action Potential • If the action potential (nerve impulse) starts, it is propagated over the entire axon • Potassium ions rush out of the neuron after sodium ions rush in • Sodium and potassium are actively transported back to their original positions = repolarization • Membrane is at rest agai ...
Exam 3 Review KEY
... stimulus increases as it jumps from node of ranvier to node of ranvier. 9) Multipolar neurons have several dendrites and one axon extended from the cell body which is the most common type. 10) The bipolar neuron has one dendrite and one axon with the cell body in between, these are rare and found on ...
... stimulus increases as it jumps from node of ranvier to node of ranvier. 9) Multipolar neurons have several dendrites and one axon extended from the cell body which is the most common type. 10) The bipolar neuron has one dendrite and one axon with the cell body in between, these are rare and found on ...
Neural Development - Peoria Public Schools
... • Immature neurons have only the cell body and nucleus. • One axon develops on each neuron. a. Axon- outgrowth from the cell body that carries signals to another neuron. b. Chemical stimuli determine when they grow and which direction it grows in the embryo. ...
... • Immature neurons have only the cell body and nucleus. • One axon develops on each neuron. a. Axon- outgrowth from the cell body that carries signals to another neuron. b. Chemical stimuli determine when they grow and which direction it grows in the embryo. ...
Nervous System
... Cells of origin for sympathetic nerves are located in the thoracic and lumbar segments of the spinal cord. Cells of origin for the parasympathetic nerves are located in the brain and sacral segments of the spinal cord. For both sympathetic and parasympathetic activity, two neurons are utilized for t ...
... Cells of origin for sympathetic nerves are located in the thoracic and lumbar segments of the spinal cord. Cells of origin for the parasympathetic nerves are located in the brain and sacral segments of the spinal cord. For both sympathetic and parasympathetic activity, two neurons are utilized for t ...
Slide 1 - AccessPhysiotherapy
... Picture of typical neuron with parts labeled by function. A shows a projection interneuron. This is the kind of cell that sends information over a relatively long distance in the nervous system. For example, there are projection neurons with their cell bodies in the cerebral cortex that reach the sp ...
... Picture of typical neuron with parts labeled by function. A shows a projection interneuron. This is the kind of cell that sends information over a relatively long distance in the nervous system. For example, there are projection neurons with their cell bodies in the cerebral cortex that reach the sp ...
Notes Intro to Nervous System and Neurons
... Axon Terminals- axon ends • contain vesicles with neurotransmitters • do not touch dendrite of next neuron OR muscle – Synaptic cleft—gap between adjacent neurons – Synapse—junction between nerves ...
... Axon Terminals- axon ends • contain vesicles with neurotransmitters • do not touch dendrite of next neuron OR muscle – Synaptic cleft—gap between adjacent neurons – Synapse—junction between nerves ...
The Nervous System
... essentially the processing area and the Peripheral Nervous System which detects and sends electrical impulses that are used in the nervous system ...
... essentially the processing area and the Peripheral Nervous System which detects and sends electrical impulses that are used in the nervous system ...
Nervous System
... – found in the brain, spinal cord, and nerves. – made up of: 1. Neurons: nerve cells (bundles of axons) 2. Neuroglial cells: helper cells – “glia” = glue – Support and bind components of nervous tissue to each other and to blood vessels – Function similarly to connective tissue in other organ system ...
... – found in the brain, spinal cord, and nerves. – made up of: 1. Neurons: nerve cells (bundles of axons) 2. Neuroglial cells: helper cells – “glia” = glue – Support and bind components of nervous tissue to each other and to blood vessels – Function similarly to connective tissue in other organ system ...
Peripheral Nervous System
... Seven related proteins produced from a single gene by alternative splicing. ...
... Seven related proteins produced from a single gene by alternative splicing. ...
Organization of the nervous system
... • No need to involve the brain • “Spinal reflexes” go right from the skin to the spinal cord back to the muscle • Neurons that serve the skin and muscles in arms and legs are part of the peripheral nervous system • So, spinal reflexes involve the central and peripheral nervous systems ...
... • No need to involve the brain • “Spinal reflexes” go right from the skin to the spinal cord back to the muscle • Neurons that serve the skin and muscles in arms and legs are part of the peripheral nervous system • So, spinal reflexes involve the central and peripheral nervous systems ...
Biological Psychology
... Describe the basic functions cerebral spinal fluid Identify neuroanatomical directions and techniques List and briefly describe the five major divisions of the brain (you should know the general function of each major division) Be familiar with functions of the following: medulla, reticular formatio ...
... Describe the basic functions cerebral spinal fluid Identify neuroanatomical directions and techniques List and briefly describe the five major divisions of the brain (you should know the general function of each major division) Be familiar with functions of the following: medulla, reticular formatio ...
Chapter 9
... 7. What is multiple sclerosis? Chapter 12- The Spinal Cord and Spinal Nerves 1. What division of the nervous system does the spinal cord belong to? Spinal nerves? 2. List the order of the connective tissue meninges that line the spinal cord. Are they also found around the brain? 3. In the adult doe ...
... 7. What is multiple sclerosis? Chapter 12- The Spinal Cord and Spinal Nerves 1. What division of the nervous system does the spinal cord belong to? Spinal nerves? 2. List the order of the connective tissue meninges that line the spinal cord. Are they also found around the brain? 3. In the adult doe ...
Chapter 7: the Nervous System
... The CNS is vulnerable to damage • Cells of the central nervous system have a very limited ability to regenerate themselves • The cells themselves are soft and easily damaged (your brain has the consistency of tofu) • The blood-brain barrier refers to the fact that capillaries in the brain are less ...
... The CNS is vulnerable to damage • Cells of the central nervous system have a very limited ability to regenerate themselves • The cells themselves are soft and easily damaged (your brain has the consistency of tofu) • The blood-brain barrier refers to the fact that capillaries in the brain are less ...
Introduction to the Nervous System Guided Notes are masses of
... (3) ______________________ - Most located in brain and spinal cord. These are responsible for the distribution of _________________ information and the coordination of _______________ activity. They are also involved in higher functions, such as ________________, planning, and ____________________. ...
... (3) ______________________ - Most located in brain and spinal cord. These are responsible for the distribution of _________________ information and the coordination of _______________ activity. They are also involved in higher functions, such as ________________, planning, and ____________________. ...
Neuroscience and Behavior
... from the senses to the brain and spinal cord. • Efferent neurons (motor), send information from the central nervous system to the glands and muscles, enabling the body to move. • Interneurons carry information between neurons in the Central Nervous System. ...
... from the senses to the brain and spinal cord. • Efferent neurons (motor), send information from the central nervous system to the glands and muscles, enabling the body to move. • Interneurons carry information between neurons in the Central Nervous System. ...
NEURONS
... EX- light, gravity, food, etc. *The ability to RESPOND to a stimulus is common to _______ living things !!! ...
... EX- light, gravity, food, etc. *The ability to RESPOND to a stimulus is common to _______ living things !!! ...
Motor Neuron
... – Found in neural pathways in the central nervous system – Connect sensory and motor neurons ...
... – Found in neural pathways in the central nervous system – Connect sensory and motor neurons ...
Chapter Three Study Guide
... If they are the right shape, they fit into receptors, simulating the receiving neuron and the message is carried forward. After the transmitting molecules have done their work, they are broken down by chemicals and recycled back to the terminal buttons, where they are reassembled and reused Reuptake ...
... If they are the right shape, they fit into receptors, simulating the receiving neuron and the message is carried forward. After the transmitting molecules have done their work, they are broken down by chemicals and recycled back to the terminal buttons, where they are reassembled and reused Reuptake ...
Exploring the Human Nervous System
... carry impulses from the CNS to effectors (muscles or organs responding to change). Located in the PNS ...
... carry impulses from the CNS to effectors (muscles or organs responding to change). Located in the PNS ...