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Reading_Nervous_System
Reading_Nervous_System

... the central nervous system (CNS); the connecting nerve processes to effectors and receptors serve as the peripheral nervous system (PNS). Special sense receptors provide for taste, smell, sight, hearing, and balance. Nerves carry all messages exchanged between the CNS and the rest of the body. CNS: ...
3.5. Responses to Stimuli – Definitions. Term Definition Tropism
3.5. Responses to Stimuli – Definitions. Term Definition Tropism

... This joins bone to bone This joins muscle to bone Defence against disease To give the body the ability to fight infections by the production of antibodies by exposure to infection[by vaccines or by illness] “safe dose” of a pathogen/causing antibody production OR causing an immune response This intr ...
2nd 9 weeks
2nd 9 weeks

... conditions, integrating sensory information, and producing an effect. I can compare and contrast the structures and functions of the somatic nervous system and the autonomic nervous system. ...
Nerve Damage and Neural Degeneration
Nerve Damage and Neural Degeneration

... caretaker to notice when all the while the person with this disease is having trouble making sense of everything around them. Stage Two: Moderate- In this stage, the disease begins to affect the areas of the brain that controls reasoning, speech and language, sight, and thought. Most people often ex ...
Histology of Nervous Tissue
Histology of Nervous Tissue

... • Major cell types – Neurons (conducting cells) and neuroglia (support cells) • Neuroglia – Glia - glue; but much more – 5-50X the number of neurons – Can mitotically divide Neuroglia • Types – Astrocytes: manage interstitial environment - metabolism of neurotransmitters, balance of K+ ions, help fo ...
Neuroplasticity - University of Michigan–Flint
Neuroplasticity - University of Michigan–Flint

... • When climbing fiber increases its activity, mossy fiber signals to Purkinje cells is reduced, which change the synaptic strength for the circuit ...
Nervous System
Nervous System

... An IPSP is a local hyperpolarization of the postsynaptic membrane and drives the neuron away from AP threshold. Neurotransmitter binding opens K+ or Cl– channels. ...
Trigeminal Nerve
Trigeminal Nerve

... contralateral facial muscles except the frontalis and ...
I. How Do Scientists Study the Nervous System?
I. How Do Scientists Study the Nervous System?

... complete and functional impairment often remains. Researchers believe transplantation of brain tissue, particularly embryonic stem cells, may provide relief for some neurological diseases. ...
1 SCI 102 - Anatomy and Physiology
1 SCI 102 - Anatomy and Physiology

... During depolarization, K+ ions rush in, causing a change inside the nerve membrane from negative to ...
Review and Study Guide for Evaluation #1
Review and Study Guide for Evaluation #1

...  it helps coordinate voluntary movement and balance The Limbic System is a neural system (including the hippocampus, amygdala, and hypothalamus) located below the cerebral hemispheres; associated with emotions and drives. The Amygdala [ah-MIG-dah-la] consists of two lima bean-sized neural clusters ...
Chapter 2
Chapter 2

... Depolarization: sodium gates open; let sodium (+) in  Repolarization: sodium gates close, potassium gates open and let potassium (+) out; potassium gates close when charge is leveled (back to -) Refractory period: time period in which the neuron ...
Neural Anatomy and Function
Neural Anatomy and Function

... •A pitcher throws a curve ball to Sammy Sosa •Sammy’s eyes see the ball coming towards him and is able to identify the pitch as a curve ball •Sensory nerves (afferent) send that information to the CNS •In the CNS the sensory nerve synapses with motor nerves •The motor nerves in turn stimulates the m ...
neurons
neurons

... disciplines that makes important contributions to neuroscience—the scientific study of the nervous system. As neuroscientists, biopsychologists bring their expertise in behavior and behavioral research to this scientific endeavor. Some of the other scientific disciplines that contribute to neuroscie ...
Advances in the Treatment of Erectile Dysfunction
Advances in the Treatment of Erectile Dysfunction

... Gene therapy does represent a potentially exciting new direction for ED management.The concept is based on the introduction of foreign genetic material into human cells either to restore or supplement normal cellular function. The exact role would be to correct defective function or otherwise functi ...
Chapter 14
Chapter 14

... decision making, behavior ...
chapter 9: nervous system
chapter 9: nervous system

... a. Give an overview of the classification of neurons based upon structural differences. b. Discuss bipolar neurons, unipolar neurons, and multipolar neurons. c. Give an overview of the classification of neurons based upon functional differences. d. Discuss sensory neurons, interneurons, and motor ne ...
Nervous Tissue
Nervous Tissue

... • Gray matter = nerve cell bodies, dendrites, axon terminals, bundles of unmyelinated axons and neuroglia (gray color) – In the spinal cord = gray matter forms an H-shaped inner core surrounded by white matter – In the brain = a thin outer shell of gray matter covers the surface & is found in cluste ...
05 - Nervous Tissue
05 - Nervous Tissue

... Fig.18: (b), Sensory ganglion. Note the satellite cells (S) surrounding the larger neurons. (c), autonomic ganglia. Note how the capsule (C) is merging with the surrounding CT. In (d), a fluorescent stain was used for the satellite cells. ...
EXAMINATION OF NERVES OF LOWER LIMB
EXAMINATION OF NERVES OF LOWER LIMB

... • Swelling in the groin & evidence of trauma • Bruising • Wasting of the Quadriceps • Inability to bear weight on the affected leg • Muscle fasciculation, muscle atrophy (QUADRICEPS) • The back (L2-4) for evidence of disease Palpation Palpate the: • Inguinal ligament for pain • Inguinal area (bone a ...
Cell body
Cell body

... Dendrites (receive)  Cell Body (process)  Axon (send)  Axon Terminals (transfer) Multipolar Neuron model ...
EXAMINATION OF NERVES OF LOWER LIMB
EXAMINATION OF NERVES OF LOWER LIMB

... • Swelling in the groin & evidence of trauma • Bruising • Wasting of the Quadriceps • Inability to bear weight on the affected leg • Muscle fasciculation, muscle atrophy (QUADRICEPS) • The back (L2-4) for evidence of disease Palpation Palpate the: • Inguinal ligament for pain • Inguinal area (bone a ...
The Spinal Cord - Lightweight OCW University of Palestine
The Spinal Cord - Lightweight OCW University of Palestine

... 10. Commissure: is a group of nerve fibers which connect right and left parts of the brain. 11. Association fibers: are nerve fibers which connect parts of the nervous system on the same side. 12. Synapse: is the site of contact (without continuity) of the axon of one neurone with the dendrites or ...
Introduction to Psychology
Introduction to Psychology

...  the branching extensions of a neuron that receive messages and conduct impulses toward the cell body ...
nerves
nerves

... configuration – Requires ATP ...
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Neuroregeneration

Neuroregeneration refers to the regrowth or repair of nervous tissues, cells or cell products. Such mechanisms may include generation of new neurons, glia, axons, myelin, or synapses. Neuroregeneration differs between the peripheral nervous system (PNS) and the central nervous system (CNS) by the functional mechanisms and especially the extent and speed. When an axon is damaged, the distal segment undergoes Wallerian degeneration, losing its myelin sheath. The proximal segment can either die by apoptosis or undergo the chromatolytic reaction, which is an attempt at repair. In the CNS, synaptic stripping occurs as glial foot processes invade the dead synapse.Nervous system injuries affect over 90,000 people every year. It is estimated that spinal cord injuries alone affect 10,000 each year. As a result of this high incidence of neurological injuries, nerve regeneration and repair, a subfield of neural tissue engineering, is becoming a rapidly growing field dedicated to the discovery of new ways to recover nerve functionality after injury. The nervous system is divided into two parts: the central nervous system, which consists of the brain and spinal cord, and the peripheral nervous system, which consists of cranial and spinal nerves along with their associated ganglia. While the peripheral nervous system has an intrinsic ability for repair and regeneration, the central nervous system is, for the most part, incapable of self-repair and regeneration. There is currently no treatment for recovering human nerve function after injury to the central nervous system. In addition, multiple attempts at nerve re-growth across the PNS-CNS transition have not been successful. There is simply not enough knowledge about regeneration in the central nervous system. In addition, although the peripheral nervous system has the capability for regeneration, much research still needs to be done to optimize the environment for maximum regrowth potential. Neuroregeneration is important clinically, as it is part of the pathogenesis of many diseases, including multiple sclerosis.
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