Lecture 2 - Nerve Impulse
... To sketch and identify the most important micromicro-structures of the neuron. To associate the accessory cells of the nervous system with a diagram. To outline the steps of the nerve impulse generated by an Action Potential. ...
... To sketch and identify the most important micromicro-structures of the neuron. To associate the accessory cells of the nervous system with a diagram. To outline the steps of the nerve impulse generated by an Action Potential. ...
The Nervous System WS-11A Review Quest
... the axon and axon terminals, where the impulse will be passed to the dendrites of the next neuron to perpetuate the impulse. 7. Explain how your nervous system would get the message to your brain and respond if you slammed your finger in the car door. Sensory neurons at the ends of the fingertips st ...
... the axon and axon terminals, where the impulse will be passed to the dendrites of the next neuron to perpetuate the impulse. 7. Explain how your nervous system would get the message to your brain and respond if you slammed your finger in the car door. Sensory neurons at the ends of the fingertips st ...
Chapter 10: Nervous System I: Basic Structure and Function
... A. The nervous system is composed predominately of nervous tissue but also includes some blood vessels and connective tissue. B. Two cell types of nervous tissue are neurons and neuroglial cells. C. Neurons are specialized to react to physical and chemical changes in their surroundings. D. Dendrites ...
... A. The nervous system is composed predominately of nervous tissue but also includes some blood vessels and connective tissue. B. Two cell types of nervous tissue are neurons and neuroglial cells. C. Neurons are specialized to react to physical and chemical changes in their surroundings. D. Dendrites ...
sample - McLoon Lab
... Lecture 20 chemical senses 33. Taste receptor cells have their somas in the tongue and send axons into the brainstem via cranial nerves. True or false? A. true ...
... Lecture 20 chemical senses 33. Taste receptor cells have their somas in the tongue and send axons into the brainstem via cranial nerves. True or false? A. true ...
The Nervous System
... Divisions of the Nervous System 1. The human nervous system consists of the Central Nervous System (CNS) and the Peripheral Nervous System (PNS). 2. CNS is composed of the brain (located in the cranial cavity) and the spinal cord (located in the vertebral cavity), which serve as the main control c ...
... Divisions of the Nervous System 1. The human nervous system consists of the Central Nervous System (CNS) and the Peripheral Nervous System (PNS). 2. CNS is composed of the brain (located in the cranial cavity) and the spinal cord (located in the vertebral cavity), which serve as the main control c ...
notes as
... • But cortex looks pretty much the same all over. – Early brain damage makes functions relocate • Cortex is made of general purpose stuff that has the ability to turn into special purpose hardware in response to experience. – This gives rapid parallel computation plus flexibility – Conventional comp ...
... • But cortex looks pretty much the same all over. – Early brain damage makes functions relocate • Cortex is made of general purpose stuff that has the ability to turn into special purpose hardware in response to experience. – This gives rapid parallel computation plus flexibility – Conventional comp ...
Bradley`s.
... manufacture of substances that the neuron needs for growth and maintenance. There are also dendrites. Dendrites are treelike fibers that project from a neuron. They will receive information and direct it toward the nucleus of the cell. Having ...
... manufacture of substances that the neuron needs for growth and maintenance. There are also dendrites. Dendrites are treelike fibers that project from a neuron. They will receive information and direct it toward the nucleus of the cell. Having ...
Unit 2 bio-behavior review guide
... d. only controls our bodily movements 4. Balance and coordination are regulated by the a. cerebellum b. thalamus c. hypothalamus d. frontal association area 5. The reticular activating system a. regulates sleepiness b. regulates alertness c. takes a reading of the level of activity throughout the bo ...
... d. only controls our bodily movements 4. Balance and coordination are regulated by the a. cerebellum b. thalamus c. hypothalamus d. frontal association area 5. The reticular activating system a. regulates sleepiness b. regulates alertness c. takes a reading of the level of activity throughout the bo ...
Nervous Tissue
... A neuron consists of a cell body where the nucleus, mitochondria, and other cell structures can be found. At one end of the neuron are the dendrites, multiples tree-like structures that acts as the receiving portion of the neuron. The other end is the axon, where the nerve impulse travels through to ...
... A neuron consists of a cell body where the nucleus, mitochondria, and other cell structures can be found. At one end of the neuron are the dendrites, multiples tree-like structures that acts as the receiving portion of the neuron. The other end is the axon, where the nerve impulse travels through to ...
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 ...
The Nervous System
... Frontal lobes control motor functions, memory, reasoning, and judgment Parietal lobes control sensory reception and integration, as well as taste. Temporal lobes receives auditory information Occipital lobes receive information from the eyes ...
... Frontal lobes control motor functions, memory, reasoning, and judgment Parietal lobes control sensory reception and integration, as well as taste. Temporal lobes receives auditory information Occipital lobes receive information from the eyes ...
CS 256: Neural Computation Lecture Notes
... Let us assume then that the persistence or repetition of a reverberatory activity (or “trace”) tends to induce lasting cellular changes that add to its stability. The assumption can be precisely stated as follows: When an axon of cell A is near enough to excite a cell B and repeatedly or persistentl ...
... Let us assume then that the persistence or repetition of a reverberatory activity (or “trace”) tends to induce lasting cellular changes that add to its stability. The assumption can be precisely stated as follows: When an axon of cell A is near enough to excite a cell B and repeatedly or persistentl ...
Chapter 8 Nervous System
... Functions continued 4. Homeostasis-Depends on the ability of the NS to detect, interpret, and respond to change in internal and external conditions. In response, the NS can stimulate or inhibit the activities of other systems to maintain homeostasis. ...
... Functions continued 4. Homeostasis-Depends on the ability of the NS to detect, interpret, and respond to change in internal and external conditions. In response, the NS can stimulate or inhibit the activities of other systems to maintain homeostasis. ...
`synapse`.
... ► The NT floats across the synapse and connects in lock-and-key fashion with protein 'receptors' embedded in the dendrites of the receiving neurons. ► It is the presence of the NT 'keys' opening the receptor 'locks' on the surface of the dendrites of the post-synaptic neurons (and not any electrical ...
... ► The NT floats across the synapse and connects in lock-and-key fashion with protein 'receptors' embedded in the dendrites of the receiving neurons. ► It is the presence of the NT 'keys' opening the receptor 'locks' on the surface of the dendrites of the post-synaptic neurons (and not any electrical ...
Slide ()
... Responses of neurons in the primary visual cortex of a monkey to visual stimuli. (Adapted, with permission, from Hubel and Wiesel 1977.) A. A diagonal bar of light is moved leftward across the visual field, traversing the receptive fields of a binocularly responsive cell in area 17 of visual cortex. ...
... Responses of neurons in the primary visual cortex of a monkey to visual stimuli. (Adapted, with permission, from Hubel and Wiesel 1977.) A. A diagonal bar of light is moved leftward across the visual field, traversing the receptive fields of a binocularly responsive cell in area 17 of visual cortex. ...
Concepts of Neurobiology
... Cell body, contains nucleus Axon, transmits message to next cell Dendrites, receives messages from cells Three classes of neurons in CNS Afferent (sensory) Efferent (motor) Interneurons in CNS ...
... Cell body, contains nucleus Axon, transmits message to next cell Dendrites, receives messages from cells Three classes of neurons in CNS Afferent (sensory) Efferent (motor) Interneurons in CNS ...
Fundamentals of Nervous System and Nervous Tissue
... Inter-neurons receive information from sensory neurons and integrate it, interpret the meaning and pass instructions to motor neurons to act. Neurons (on basis # of appendages) Multipolar Neurons – many dendrites and 1 axon; most neurons in nervous system Unipolar Neurons – 1 appendage, one end acts ...
... Inter-neurons receive information from sensory neurons and integrate it, interpret the meaning and pass instructions to motor neurons to act. Neurons (on basis # of appendages) Multipolar Neurons – many dendrites and 1 axon; most neurons in nervous system Unipolar Neurons – 1 appendage, one end acts ...
The Nervous System PowerPoint
... Normally work antagonistically Regulates the body’s automatic functions in ways that maintain or quickly restore homeostasis Many visceral effectors are doubly innervated receive fibers from parasympathetic and sympathetic divisions ...
... Normally work antagonistically Regulates the body’s automatic functions in ways that maintain or quickly restore homeostasis Many visceral effectors are doubly innervated receive fibers from parasympathetic and sympathetic divisions ...
p. A46 (5a) - Viktor`s Notes for the Neurosurgery Resident
... Segmental demyelination: random myelin internodes are injured and are remyelinated by multiple Schwann cells, while axon and myocytes remain intact. Axonal degeneration: axon and its myelin sheath undergo anterograde degeneration (shown for green neuron) → denervation atrophy of myocytes within its ...
... Segmental demyelination: random myelin internodes are injured and are remyelinated by multiple Schwann cells, while axon and myocytes remain intact. Axonal degeneration: axon and its myelin sheath undergo anterograde degeneration (shown for green neuron) → denervation atrophy of myocytes within its ...
The Nervous System
... about the causative event. – Such neurons are sensory neurons and they provide info about both the internal and external environments. – Sensory neurons (a.k.a. afferent neurons) will send info to neurons in the brain and spinal cord. There, association neurons (a.k.a. interneurons) will integrate t ...
... about the causative event. – Such neurons are sensory neurons and they provide info about both the internal and external environments. – Sensory neurons (a.k.a. afferent neurons) will send info to neurons in the brain and spinal cord. There, association neurons (a.k.a. interneurons) will integrate t ...
Nervous tissues (NS)
... Sensory neurons have only a single process or fibre which divides close to the cell body into two main branches (axon and dendrite). Because of their structure they are often referred to as unipolar neurons. ...
... Sensory neurons have only a single process or fibre which divides close to the cell body into two main branches (axon and dendrite). Because of their structure they are often referred to as unipolar neurons. ...