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Anatomy 9535b. THE CRANIAL NERVES
Anatomy 9535b. THE CRANIAL NERVES

... categories, and the axons in the pituitary stalk (with cell bodies in the hypothalamus) have been proposed as a midline cranial nerve. See Butler, A. B. & Hodos, W. (1996) Comparative Vertebrate Neuroanatomy. New York: Wiley-Liss. ...
File - Hope Christian College Parent and Student Portal
File - Hope Christian College Parent and Student Portal

... • Dendrites: carry nerve impulses toward cell body • Axon: carries impulses away from cell body • Synapses: site of communication between neurons using chemical neurotransmitters • Myelin & myelin sheath: lipoprotein covering produced by glial cells (e.g., Schwann cells in PNS) that increases axonal ...
Bridget Lecture 2 Notes The Neurons o Functional classes (CNS
Bridget Lecture 2 Notes The Neurons o Functional classes (CNS

... o Take care of by Glial Cells  o 5x more glial cells than neurons  ...
Autonomic nervous system
Autonomic nervous system

... target organs through ___________ and ______ _________ • Parasympathetic axons reach target organs through _____________ and _____ __________ • Remember _______ (________) _________ also travel via these nerves. ...
Slide 1
Slide 1

... target organs through ___________ and ______ _________ • Parasympathetic axons reach target organs through _____________ and _____ __________ • Remember _______ (________) _________ also travel via these nerves. ...
What structures comprise the sympathetic division?
What structures comprise the sympathetic division?

... target organs through ___________ and ______ _________ • Parasympathetic axons reach target organs through _____________ and _____ __________ • Remember _______ (________) _________ also travel via these nerves. ...
Document
Document

... • place two axons together, electrofuse – voltage pulse causes membranes to fuse – often gives functional axon ...
Nervous System - cloudfront.net
Nervous System - cloudfront.net

... There is a town where 5% of all the people living there have unlisted phone numbers. If you selected 100 names at random from the town’s phone directory, on average, how many of these people would have unlisted phone numbers? ...
Body Systems - Nervous System
Body Systems - Nervous System

... 6. Which of the following statements is true? a. Your brain is involved in all the actions your body performs b. The nerves in your body are connected together tightly c. There are gaps between many of the nerve cells in your body d. The somatic nervous system allows you to feel hot and cold sensati ...
11: Fundamentals of the Nervous System and Nervous Tissue
11: Fundamentals of the Nervous System and Nervous Tissue

... A. The nervous system originates from a dorsal neural tube and neural crest, which begin as a layer of neuroepithelial cells that ultimately become the CNS (p. 423). B. Differentiation of neuroepithelial cells occurs largely in the second month of development (p. 423). C. Growth of an axon toward it ...
Nervous System - Cloudfront.net
Nervous System - Cloudfront.net

... The Resting Neuron (cont) The charge difference is created by active transport of ions across the cell membrane via the sodium-potassium pump. Sodium ions (Na+) are pumped outside the cell and potassium (K+) ions are pumped into the cell. ...
12-1 Chapter 12 Lecture Outline See PowerPoint Image Slides for
12-1 Chapter 12 Lecture Outline See PowerPoint Image Slides for

... – contribute to BBB and regulate composition of brain tissue fluid – convert glucose to lactate to feed neurons – secrete nerve growth factor promoting synapse formation – electrical influence on synaptic signaling – sclerosis – damaged neurons replace by hardened mass of astrocytes ...
Chapter 12
Chapter 12

... – contribute to BBB and regulate composition of brain tissue fluid – convert glucose to lactate to feed neurons – secrete nerve growth factor promoting synapse formation – electrical influence on synaptic signaling – sclerosis – damaged neurons replace by hardened mass of astrocytes ...
Lab 12
Lab 12

... 1. cell body _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 2. nucleus _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 3. chromatophilic or Nissl bodies _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 4. dendrites _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 5. axon _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 6. telodendri ...
Module 3 Brain`s Building Blocks
Module 3 Brain`s Building Blocks

...  Numbers are expected to rise with increase in life expectancy  Causes: genetic, neurological, or environmental  3 times more likely to get it if 1 parent has it.  5 times more likely to get it if both parents have it.  There currently is no cure and it is always fatal. ...
No Slide Title
No Slide Title

... – contribute to BBB and regulate composition of brain tissue fluid – convert glucose to lactate to feed neurons – secrete nerve growth factor promoting synapse formation – electrical influence on synaptic signaling – sclerosis – damaged neurons replace by hardened mass of astrocytes ...
Cervical-Radiculopathy-Handout
Cervical-Radiculopathy-Handout

... • Cervical radiculopathy is a syndrome of radiating pain and sensory and/or motor deficit due to compression or injury of a cervical nerve root • Injury or compression of the nerve root can be caused by anything that occupies the intervertebral foraminal space • Radiculopathy – state of neurological ...
12-2cut
12-2cut

... • Result: poor nerve impulse conduction. Lose ability to ...
LectureTest22011, the new questions
LectureTest22011, the new questions

... E. 29. A functional MRI scan is being performed on a woman who is listening carefully to the tones of a song, but after a while she panics because the MRI device is too confined and claustrophobic. Which parts of her brain show the most activity in the MRI images? A. much of the occipital lobe, the ...
the neuron cheat sheet
the neuron cheat sheet

... Neurons are nerve cells that transmit nerve signals to and from the brain at up to 200 mph. The neuron consists of a cell body (or soma) with branching dendrites (signal receivers) and a projection called an axon, which conduct the nerve signal. At the other end of the axon, the axon terminals trans ...
Unit IV-D Outline
Unit IV-D Outline

... f. Schwann cells – produce layers of a white, fatty substance called myelin which covers the axon, gaps between neighboring cells are called nodes of Ranvier g. nerve cells of mature animals cannot divide, so cannot be replaced; but if cell body is unhurt, damage axons and dendrites outside the brai ...
Nervous Lecture Test Questions – Set 1
Nervous Lecture Test Questions – Set 1

... b. support neurons, by attaching to them and to capillaries c. are phagocytic d. form the myelin of CNS axons e. form the myelin of PNS axons ...
Nervous System Injuries Research Paper
Nervous System Injuries Research Paper

... The nervous system is a complex collection of nerves and specialized cells known as neurons that transmit signals between different parts of the body. It is essentially the body’s electrical wiring. Structurally, the nervous system has two components: the central nervous system and the peripheral ne ...
The Nervous System
The Nervous System

... called the sympathetic nervous system and the parasympathetic nervous system. The sympathetic nervous system is the actual system that releases energy and prepares the body for action. The body then typically restores itself back to normal after a period of time by the parasympathetic nervous system ...
The Autonomic Nervous System
The Autonomic Nervous System

... specifically respond to the release of neuromediator substances.Drugs that produce their primary therapeutic effect by mimicking or altering the functions of the autonomicnervous system are called autonomic drugs and are discussed in the following four chapters. Theseautonomic agentsact either by st ...
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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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