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Chapter 40
Chapter 40

... Fibrous Connective Tissue. Bundles of collagenous fibers. Secreted by fibroblasts. ...
Tissue: The Living Fabric
Tissue: The Living Fabric

...  Avascular (no blood) – cartilage  Poorly vascular – tendons, ligaments ...
Connective Tissue
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... • In vertebrates, the fibers and foundation combine to form six major types of connective tissue: – Loose connective tissue binds epithelia to underlying tissues and holds organs in place – Cartilage is a strong and flexible support material – Fibrous connective tissue is found in tendons, which at ...
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wk01review

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... d. Glucose and fatty acids 12. Which of the following is a characteristic of slow-twitch fibers? a. Splits ATP quickly in order to provide energy for long periods of time b. Rely on anaerobic fermentation because the fibers are thick, thus less oxygen is able to diffuse to the mitochondria to produc ...
Nervous System – General - Austin Community College
Nervous System – General - Austin Community College

... every cell in our body responds to stimuli by changing its metabolism in one way or another ...
Techniques for Obtaining Stem Cells: Article 2 Therapeutic Cloning
Techniques for Obtaining Stem Cells: Article 2 Therapeutic Cloning

... Parkinson’s. However, the process of creating then destroying an embryo is controversial and opposed by some. South Korean scientists claimed to have created almost a dozen stem cell lines using therapeutic cloning but this year admitted that their results were made up. The procedure for recruiting ...
Physiology – Autonomic Nervous System
Physiology – Autonomic Nervous System

... In the SNS and other components of the peripheral nervous system, these synapses are made at sites called ganglia. The cell that sends its fiber is called a preganglionic cell, while the cell whose fiber leaves the ganglion is called a postganglionic cell. As mentioned previously, the preganglionic ...
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Chapter 4 - Los Angeles City College
Chapter 4 - Los Angeles City College

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Nanotechnology can also help us alter natural designs
Nanotechnology can also help us alter natural designs

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Anatomy and Histology of the Canine and Feline Eye
Anatomy and Histology of the Canine and Feline Eye

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Unlocking the healing power of stem cells
Unlocking the healing power of stem cells

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Tissue Review

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gray matter
gray matter

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bioheart announces new clinical site in mexico
bioheart announces new clinical site in mexico

... can offer new hope to patients suffering from debilitating diseases by utilizing regenerative medicine and delivering these non-invasively into the heart.” The catheter was introduced using a radial artery approach, the first such documented stem cell case with this delivery method. The benefit to a ...
anatomi sistem saraf dan indera a
anatomi sistem saraf dan indera a

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Movement - WordPress.com
Movement - WordPress.com

... State that multicellular organisms show emergent properties Emergent properties arise from the interaction of component parts: the whole is greater than the sum of its parts Multicellular organisms are capable of completing functions that individual cells could not undertake - this is due to the in ...
Tissues
Tissues

... Cell to Cell Contact & Connective Tissue How do cells stick together? Tight Junctions  rows of proteins that seal cells together Prevents molecules from getting stuck in between cells Important in epithelial cells of the intestines Adhering Junctions  Mass of proteins (called desmosomes) that spo ...
Levels of Organization
Levels of Organization

... of the body. Each part has a job to do and as each part does its special job, it works in harmony with all the other parts. The arrangement of specialized parts within a living thing is sometimes referred to as levels of organization. Cells of course, are the first level of organization. For example ...
Chapter 4 Notes - Tri-City
Chapter 4 Notes - Tri-City

... assume their mature “cyte” form These mature cells maintain the health of the ECM, however if the matrix is injured they can revert back to their more active “blast” form and repair and regenerate the matrix ...
Chapter 5 Notes Tissues
Chapter 5 Notes Tissues

... - covers all body surfaces (inside and out) and major tissue of glands - forms inner lining of body cavities - lack of blood vessels but heal rapidly if injured - tightly packed with little intracellular spaces - functions as barriers to the outside, secretion, absorption, excretion, and ...
Human Skin Cells Converted Directly into Functional Neurons
Human Skin Cells Converted Directly into Functional Neurons

... time-consuming. Moreover, the pluripotent stem cells by their nature are capable of forming tumors, leading to potential safety concerns. In 2010, Stanford University researchers reported turning mouse skin cells directly into neurons using transcription regulators (proteins that switch genes on or ...
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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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