Dermis:The second major skin region‚ is a strong but flexible connective tissue layer. The cell types found in the dermis are fibroblasts‚ macrophages‚ and occasional mast cells and white blood cells. Its gel-like matrix is heavily embedded with collagen‚ elastin‚ and reticular fibers. The dermis is your "hide" and is richly supplied with nerve fibers‚ blood vessels‚ and lymphatic vessels. The
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Erythrocytes Survive 120 Days Hemoglobin * Globin: 4 folded polypeptide chains * Heme: Iron group in each polypeptide that binds 02 Enzymes: * Glycolytic: generate energy through glycolysis due to lack of mitochondria * Carbonic anhydrase: for transport of CO2 into HCO3 Erythropoiesis: * regeneration of new cells in the bone marrow Erythropoietin (hormone): * when kidneys detect not enough 02 they secrete this hormone which stimulates erythropoiesis‚ increasing 02 capacity
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Health benefits of apple * Delicious and crunchy apple fruit is notable for its impressive list of phtyto-nutrients‚ and anti-oxidants. Studies suggest that its components are essential for normal growth‚ development and overall well-being. * Apples are low in calories; 100 g of fresh fruit slices provide only 50 calories. They‚ however‚ contain no saturated fats or cholesterol. Nonetheless‚ the fruit is rich in dietary fiber‚ which helps prevent absorption of dietary-LDL or bad cholesterol
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Ultrasound Physical effects of ultrasound: 1- Thermal effects 2- Non-thermal effects 3- Effect of US in tissue repair First: thermal effect @ It is due to generation of heat within the tissue due to adsorption of US. @ Tissue with high amount of protein absorbs US more than other tissues. @ Generation of heat within the tissue will decrease pain‚ joint stiffness & increase blood flow. @ Thermal effect achieved if the temperature of the tissue is raised to 40°c - 45°c for at least
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a rare condition and a rare mode of genetic transmission INTRODUCTION Alport syndrome (AS) is a rare abnormality of glomerular basement membrane caused by mutations in several different genes‚ all of which encode particular forms of type IV collagen‚ a major component of basement membrane. It is characterized by chronic renal failure leading to end-stage renal disease (ESRD) and is often associated with sensorineural deafness (Kanski 2003). The inheritance is typically XL dominant (about 80-85%)
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marrow‚ which is dominated by fat cells and takes on a yellowish color‚ is called yellow marrow. This cross section of a long bone. Ligament Ligament‚ in anatomy‚ tough band of slightly elastic connective tissue‚ made of a fibrous protein known as collagen. One type of ligament‚ such as a collateral ligament of the elbow or knee‚ holds together bones and cartilage at a joint. This white‚ shiny ligament provides flexibility for freedom of movement and‚ at the same time‚ prevents the bones from moving
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Data Table 1 – Epithelial Tissue Observations TISSUE TYPE OBSERVATIONS Simple Squamous single layer‚ flattened cells Simple Cuboidal single layered‚ cube shaped cells Simple Columnar (stomach) single layered‚ elongated cells Simple Columnar (duodenum) long columns in “S” shapes Stratified Squamous (keratinized) many layers‚ top cells flattened Stratified Squamous (non-keratinized) flat long strands with nucleus Pseudostratified Ciliated Columnar cells together in a column
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Due to the intervertebral disc specific structure and the interactions between nucleus pulposus and annulus fibrosus‚ it is capable to resist high compressive loads and provide spinal mobility (Tang‚ Liu‚ & Zhang‚ 2014). The nucleus pulpous is capable to endure high compressive forces because of its high water content‚ low permeability and osmotic properties (Galbusera et al.‚ 2014). It works by distributing hydraulic pressure in multiple directions within each intervertebral disc under compressive
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Polymeric Biomaterials (Mingyu Li z3369978) The use of polymers in biomedical applications is now widely accepted and they are termed with the generic name of polymeric biomaterials. A biomaterial can be defined by their function as a material in contact with living tissue that used to the treatment of disease or injury‚ and to improve human health by restoring the function of tissue and organs in the body.x Polymeric biomaterials in medicine include surgical sutures‚ drug delivery vectors‚ orthopedic
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What is skin grafting? Who can it help? How does it work? Be specific Describe both limitations and advancements Skin grafting is necessary when a patient is severely burned‚ which is considered to be a third degree burn. In a third degree burn the epidermis‚ dermis‚ and hypodermis are all affected from this this burn. Third degree burns are the most severe type of bun there is because the affect the epidermis‚ dermis‚ and the subcutaneous layer. After this type of burn the skin may appear charred
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