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QUESTION ONE – CELL AND TISSUE DAMAGE
QUESTION ONE – CELL AND TISSUE DAMAGE

... 1.2 A 53-year-old man has experienced severe chest pain for the past 6 hours. On physical examination he is afebrile, but has tachycardia. Laboratory studies show a serum troponin I of 10 ng/mL. A coronary angiogram is performed emergently and reveals >90% occlusion of the left anterior descending a ...
Connective Tissue
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... • Severed blood vessels bleed and inflammatory chemicals are released. • Local blood vessels become more permeable, allowing white blood cells, fluid, clotting proteins and other plasma proteins to seep into the injured area. • Clotting occurs; surface dries and forms a scab. Copyright © 2010 Pearso ...
Types of Communications between Musculocutaneous nerve and
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... classified the communications between median nerve (MN) and musculocutaneous nerve (MCN) in to five types. In type 1, there is no communication between the MN and the MCN, in type 2, the fibres of the medial root of the MN pass through the MCN nerve and join the MN in the middle of the arm, whereas ...
Peripheral Nerve Entrapments - American Academy of Osteopathy
Peripheral Nerve Entrapments - American Academy of Osteopathy

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BDS Ist YEAR EXAMINATION 2008-09
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STEM CELLS AND MYOCARDIAL REGENERATION BY
STEM CELLS AND MYOCARDIAL REGENERATION BY

... by  the  death  of  myocytes  (cardiac  cells).  The  death  of  myocytes  is  caused  by  five  main  stages.  Firstly,   cholesterol  and  other  insoluble  lipids  collect  on  the  inside  of  a  coronary  artery.  This  deposit   ...
circumference of the egg and is, at first, quite broad. It is
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Gross Anatomy: Cranial Nerve Review Ref: Table 8.5 (pages 848
Gross Anatomy: Cranial Nerve Review Ref: Table 8.5 (pages 848

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6-2016-17 9-10 cr. n. jamePowerPoint Presentation

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Summary of the Fiber Composition of Peripheral Nerves

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Answer - Indus World School
Answer - Indus World School

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Facts about CN I

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ap-lab-ex-6 - Anatomy and Physiology
ap-lab-ex-6 - Anatomy and Physiology

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Nerve guidance conduit

A nerve guidance conduit (also referred to as an artificial nerve conduit or artificial nerve graft, as opposed to an autograft) is an artificial means of guiding axonal regrowth to facilitate nerve regeneration and is one of several clinical treatments for nerve injuries. When direct suturing of the two stumps of a severed nerve cannot be accomplished without tension, the standard clinical treatment for peripheral nerve injuries is autologous nerve grafting. Due to the limited availability of donor tissue and functional recovery in autologous nerve grafting, neural tissue engineering research has focused on the development of bioartificial nerve guidance conduits as an alternative treatment, especially for large defects. Similar techniques are also being explored for nerve repair in the spinal cord but nerve regeneration in the central nervous system poses a greater challenge because its axons do not regenerate appreciably in their native environment.The creation of artificial conduits is also known as entubulation because the nerve ends and intervening gap are enclosed within a tube composed of biological or synthetic materials. Whether the conduit is in the form of a biologic tube, synthetic tube or tissue-engineered conduit, it should facilitate neurotropic and neurotrophic communication between the proximal and distal ends of the nerve gap, block external inhibitory factors, and provide a physical guidance for axonal regrowth. The most basic objective of a nerve guidance conduit is to combine physical, chemical, and biological cues under conditions that will foster tissue formation.Materials that have been used to make biologic tubes include blood vessels and skeletal muscles, while nonabsorbable and bioabsorbable synthetic tubes have been made from silicone and polyglycolide respectively. Tissue-engineered nerve guidance conduits are a combination of many elements: scaffold structure, scaffold material, cellular therapies, neurotrophic factors and biomimetic materials. The choice of which physical, chemical and biological cues to use is based on the properties of the nerve environment, which is critical in creating the most desirable environment for axon regeneration. The factors that control material selection include biocompatibility, biodegradability, mechanical integrity, controllability during nerve growth, implantation and sterilization.
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