have an immune system that fights infections and other diseases. The lymphatic system is also a part of the immune system. Hodgkin’s disease is a type of cancer of the lymphatic system. It begins in cells of the immune system. It happens when a lymphocyte (usually a B cell) becomes abnormal‚ called a Reed-Sternberg cell. The Reed-Sternberg cell divides and makes copies of itself. The division of the new cells continues‚ making a numerous amount of abnormal cells. The abnormal cells don ’t die when
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jugular and subclavian veins where the lymph drains into the blood stream. Lymph glands or nodes are interspaced in the pathways of the collecting vessels and filter the lymph and remove toxic substances as it passes through them and contribute lymphocytes to the lymph. The lymphatic system forms a one way flow system towards the heart. The lymph flows through the system coming from blind ended lymphatic capillaries at the endothelium single layer. This single layer has an incomplete basement membrane
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Granules enable them to be immediately recognized. 3. Four morphological features that are helpful in identifying monocytes Nuclear convolutions Lacy delicate chromatin Dull gray-blue cytoplasm Blunt pseudopods 4. Four characteristics of lymphocytes Clumped nucleus Chromatin condensed Bluish-red granules are prominent Cytoplasm has clear non-granular background
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I.Abstract Guillain-Barre Syndrome (GBS) is an auto-immune disease that is rare but can lead to paralysis of limbs and the diaphragm. Ventilatory failure is commonly seen in patients with progressing diseases. The causes of GBS syndrome is unknown‚ however a few culprits are being studied. The most common explanation for GBS is the demyelination of the peripheral nervous system. Other causes in question include flu vaccinations and certain bacteria such as Campylobacter Jejuni. Patients diagnosed
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B cells belong to a group of white blood cells known as lymphocytes‚ making them a vital part of the immune system The human body makes millions of different types of B cells each day that circulate in the blood and lymphatic system performing the role of immune surveillance. They do not produce antibodiesuntil they become fully activated. Each B cell has a unique receptor protein (referred to as the B cell receptor (BCR)) on its surface that will bind to one particular antigen. If the pathogens are
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Group3 Body Fluids: Blood 1) State the composition of blood - 2) State the function of red blood cells and plasma - 3) Explain function of hemoglobin in the transport of oxygen - 4) State the function of macrophages and lymphocytes - Vergara‚ Reychelle C. Engr. Pavia BSMT- II Group3 Body Fluids: Urine
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Chapter 12: Cardiovascular System 12.1 3 types of blood vessels * Arteries: carry blood away from the heart to the capillaries * Capillaries: permit exchange of material with the tissues * Veins: return blood from the capillaries to the heart. Arteries Wall has 3 layers * Endothelium: inner layer‚ made up of simple squamous epithelium‚ with a connective tissue basement membrane that has elastic fibers. * Middle layer: thickest later and consists of smooth muscle that can
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veins in the blood system. It plays an important role in returning plasma proteins to the bloodstream. Digested fats are absorbed and then transported from the villi in the small intestine to the bloodstream via the lacteals and lymph vessels. New lymphocytes are manufactured in the lymph nodes. Antibodies ad anti assist the body to build up an effective immunity to infectious diseases. Lymph nodes play an important role in the defence mechanism of the body. They filter out micro-organisms and foreign
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Cancer Causes‚ Symptoms and treatment There are over 10‚000‚000‚000‚000 cells in your body. Although these cells can do different jobs‚ each one has a nucleus with the same set of 46 chromosomes. Yet all of this came from a single cell with one set of 46 chromosomes. Within about 6 minutes of fertilization‚ this cell copied itself to make two cells. This was your first experience of mitosis. Soon after‚ these two cells copied themselves to make four and so on. You have been subject to mitosis
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Biology 3 Spec: |BIOLOGY UNIT B3 Topic 1 Control systems | |1.1 Be able to demonstrate an understanding that cell metabolism leads to the build-up of waste products in the | |blood‚ including carbon dioxide and urea | |1.2 Know that urea is produced from the breakdown of excess amino acids in the liver and is removed by the | |kidneys
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