Lymphatic system.pptx
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The lymphatic system consists of lymphatic vessels and lymph nodes that maintain fluid balance in the body. It returns leaked protein-rich fluid from tissues back to the bloodstream and transports absorbed fats and filters dead cells. Lymphangitis is an inflammation of the lymphatic vessels caused by bacteria or other pathogens that leads to red streaks, fever, pain, and swollen lymph nodes. Lymphadenopathy refers to enlarged lymph nodes and has local or generalized causes like infections, autoimmune disease, or malignancy. Lymphedema is abnormal swelling in limbs due to excessive lymph fluid caused by a defective lymphatic system, with symptoms of pain, burning, and immobility.
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LYMPHATIC SYSTEM (INTERESTING FACTS ABOUT LYMPHATIC SYSTEM)
Learn some interesting facts about lymphatic system. Why is it important to our body and system. Knowing something interesting facts makes us happy knowing we knew something that adds to our knowledge and satisfy our curiosity. Know some basic facts about lymphatic system.
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The lymphatic system consists of lymph nodes connected by lymph vessels that carry lymph fluid throughout the body. It plays an essential role in the immune system by filtering pathogens and other foreign materials. When illness occurs, lymph nodes may swell as the lymphatic system works to produce more white blood cells and filter pathogens from the lymph. Several diseases can affect the lymphatic system, including lymphedema which causes fluid accumulation, lymphomas which are cancers of the lymph system, and infections that cause swelling of lymph nodes. Treatment for lymphatic diseases depends on the specific condition but may include antibiotics, surgery, chemotherapy or other medications.
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1. Inflammation is the body's response to infection, irritation, or injury, characterized by redness, swelling, heat, and pain. It involves the immune system and blood vessels.
2. Acute inflammation is a short-term response to recent injury or infection, marked by increased blood flow, blood vessel permeability, and migration of white blood cells. Chronic inflammation is a long-term response involving lymphocytes, macrophages, and fibrosis.
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2) Chronic inflammation is characterized by persistence of the inflammatory response and attempts at repair/regeneration. It involves lymphocytes, plasma cells and macrophages.
3) Granulomatous inflammation forms distinct nodules or granulomas that wall off chronic infections or foreign materials.
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Acute inflammation is the early response of tissue to injury and is characterized by changes in the microcirculation such as increased fluid exudation and leukocyte emigration from blood vessels to the injured area. It is typically short in duration and aims to remove the injurious agent. The major causes include infections, tissue necrosis, foreign bodies, and burns. Acute inflammation exhibits cardinal signs of pain, heat, redness, swelling, and loss of function and involves vascular changes like increased permeability and blood flow as well as cellular components like leukocytes that release inflammatory mediators. The morphological patterns of acute inflammation depend on the type and extent of tissue response. Outcomes range from resolution to fibrosis, abscess formation, or progression to
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1. Inflammation is the body's response to infection, irritation, or injury, characterized by redness, swelling, heat, and pain. It involves the immune system and blood vessels.
2. Acute inflammation is a short-term response to recent injury or infection, marked by increased blood flow, blood vessel permeability, and migration of white blood cells. Chronic inflammation is a long-term response involving lymphocytes, macrophages, and fibrosis.
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Inflammation is the body's response to injury or infection that is characterized by redness, swelling, heat, pain, and loss of function. The cardinal signs of inflammation are caused by increased blood flow, increased vascular permeability, and leukocyte infiltration at the site of injury or infection. Acute inflammation typically involves neutrophils and resolves within 48 hours, while chronic inflammation involves mononuclear cells and persists for longer than 48 hours. Inflammation can lead to abscess formation, progression to chronic inflammation, resolution, or repair through scarring or fibrosis.
Acute Inflammation for j 25
Acute inflammation is characterized by rapid onset, short duration, and neutrophil infiltration. It serves to destroy, dilute, or wall off injurious agents. The key steps are vascular changes that increase blood flow and permeability, allowing plasma proteins and leukocytes to exit circulation and reach injured tissues. Leukocytes are recruited through chemotaxis and remove pathogens via phagocytosis. Mediators like histamine and prostaglandins regulate vascular changes and leukocyte behavior. Common patterns include purulent inflammation seen in abscesses and serous inflammation seen in effusions. Acute inflammation typically resolves completely or leads to scarring, and can progress to chronic inflammation if the cause persists.
acute inflammation
Acute inflammation is the early response of tissue to injury that is typically short-lived. It aims to remove injurious agents and is characterized by five signs: pain, heat, redness, swelling, and loss of function. The vascular components involve increased permeability and blood flow causing redness and heat. Cellular components include leukocytes that migrate into tissues and release inflammatory mediators. The outcome depends on the tissue and injurious agent, and may result in resolution, fibrosis, abscess formation, or chronic inflammation if the agent persists long-term.
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Lymphatic system-----(Physiology)
This document discusses the lymphatic system. It describes how lymph fluid is formed from interstitial fluid through filtration in capillaries and collects in lymph vessels. Lymph contains white blood cells and travels through lymph nodes before draining into veins. The lymphatic system helps fight infection through immune responses in lymph nodes and transports lipids and vitamins. Common lymphatic disorders include lymphedema from obstruction, lymphadenopathy from infection or disease, and lymphomas which are cancers of lymph tissue.
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The lymphatic system is responsible for the production, transport and filtration of lymph fluid throughout the body. In addition to its important circulatory functions, the lymphatic system also has important immunological functions
acute inflammation
Inflammation is the body's protective response to injury or infection that is characterized by heat, swelling, redness, pain, and loss of function. The cardinal signs of inflammation are caused by increased blood flow, increased vascular permeability, and leukocyte infiltration at the site of injury or infection. Acute inflammation typically lasts less than 48 hours and is characterized by neutrophil infiltration, while chronic inflammation lasts longer than 48 hours and is characterized by mononuclear cell infiltration. Inflammation can result in abscess formation, progression to chronic inflammation, resolution to normal tissue, or repair through scarring or fibrosis.
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The lymphatic system 08
The lymphatic system filters and returns fluid from tissues to the bloodstream. It consists of lymphatic vessels, lymph nodes, and lymphoid tissues like the spleen and thymus gland. The lymphatic system helps fight infection through lymphocytes and transports fatty acids from the intestines via the lacteals. It is important for fluid balance as excess interstitial fluid is otherwise cause edema if not returned to the bloodstream by the lymphatic vessels.
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Inflammation is the body's response to injury or infection that is characterized by redness, swelling, heat, pain, and loss of function. The cardinal signs of inflammation are caused by increased blood flow, increased vascular permeability, and leukocyte infiltration at the site of injury or infection. Acute inflammation typically involves neutrophils and resolves within 48 hours, while chronic inflammation involves mononuclear cells and persists for longer than 48 hours. Inflammation can lead to abscess formation, progression to chronic inflammation, resolution, or repair through scarring or fibrosis.
Acute Inflammation for j 25
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Inflammation is the body's response to harmful stimuli and involves increased blood flow, swelling, heat, redness, and pain. The goals of inflammation are to eliminate the initial cause, remove damaged cells, and initiate tissue repair. The cardinal signs of inflammation come from Latin and include pain, heat, redness, swelling, and loss of function. Acute inflammation lasts less than 48 hours and involves neutrophils, while chronic inflammation lasts longer and involves mononuclear cells. Acute inflammation may resolve, progress to chronic, lead to abscess formation, or result in tissue repair through scarring.
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Lymphatic system
The lymphatic system is responsible for the production, transport and filtration of lymph fluid throughout the body. In addition to its important circulatory functions, the lymphatic system also has important immunological functions
acute inflammation
Inflammation is the body's protective response to injury or infection that is characterized by heat, swelling, redness, pain, and loss of function. The cardinal signs of inflammation are caused by increased blood flow, increased vascular permeability, and leukocyte infiltration at the site of injury or infection. Acute inflammation typically lasts less than 48 hours and is characterized by neutrophil infiltration, while chronic inflammation lasts longer than 48 hours and is characterized by mononuclear cell infiltration. Inflammation can result in abscess formation, progression to chronic inflammation, resolution to normal tissue, or repair through scarring or fibrosis.
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The Lymphatic System
The lymphatic system consists of lymphatic vessels and lymphoid tissues that work with the circulatory and immune systems. The lymphatic vessels collect excess fluid from tissues and return it to the bloodstream to prevent fluid buildup. They also transport immune cells called lymphocytes throughout the body. Lymphoid tissues including the spleen, tonsils, adenoids, and lymph nodes filter the lymph and help the body fight infection and disease.
Lymphedema
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lymphatic_system
The lymphatic system is an accessory drainage system to the venous system that transports lymph and filters antigens from tissues. It consists of lymph capillaries that branch throughout the body and drain into lymphatic vessels containing valves. These vessels converge into lymph trunks and ducts that return lymph to the bloodstream. Lymphatic organs include lymph nodes, the thymus, spleen, and bone marrow. The lymphatic system functions to filter antigens, facilitate immune response, and drain interstitial fluid.
4. acute Inflammation31.08.17 153 series.pptx
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Lymphangitis
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Inflammation is the body's response to injury or infection that involves vascular and cellular events. The cardinal signs of inflammation are redness, swelling, heat, pain, and loss of function. Inflammation can be either acute (minutes to days) or chronic (weeks to months). Chemical mediators like histamine, prostaglandins, and leukotrienes are released during inflammation and cause changes like increased vascular permeability and leukocyte migration. Repair after inflammation occurs through regeneration of tissues like skin, or through healing by scar formation. Healing involves granulation tissue formation, angiogenesis, fibroblast proliferation and extracellular matrix deposition.
The lymphatic system 08
The lymphatic system filters and returns fluid from tissues to the bloodstream. It consists of lymphatic vessels, lymph nodes, and lymphoid tissues like the spleen and thymus gland. The lymphatic system helps fight infection through lymphocytes and transports fatty acids from the intestines via the lacteals. It is important for fluid balance as excess interstitial fluid is otherwise cause edema if not returned to the bloodstream by the lymphatic vessels.
Assessment of lymphatic system
The lymphatic system transports fluid and immune cells throughout the body, removes cellular waste and pathogens, and presents antigens to immune cells. It consists of lymphatic vessels, lymph nodes, the spleen, thymus, tonsils, and bone marrow. Lymph fluid is collected from tissues by lymphatic capillaries and passes through lymph nodes, which filter the lymph and harbor immune cells. The lymph eventually returns to the blood circulation via lymph ducts in the neck. Enlargement of lymph nodes or spleen can indicate infection, inflammation, or cancer that is being assessed through history, exam, labs, and imaging.
Lymphedemasharepoint
This document discusses the differences between edema and lymphedema. Edema results from an imbalance in fluid pressures across capillary membranes that causes excess fluid accumulation in tissues. It is a normal response to injury and the fluid decreases as healing occurs. Lymphedema is a persistent and excessive accumulation of fluid and proteins in tissues caused by impairment of the lymphatic system. It leaves marks when pressed into the skin and is not relieved by diuretics like edema sometimes is. Factors that can contribute to lymphedema include congenital malformations, infections, obstructions, fibrosis, trauma, surgery, radiation therapy, and surgical dissection of lymph nodes.
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Overall life span (LS) was 1671.7±1721.6 days and cumulative 5YS reached 62.4%, 10 years – 50.4%, 20 years – 44.6%. 94 LCP lived more than 5 years without cancer (LS=2958.6±1723.6 days), 22 – more than 10 years (LS=5571±1841.8 days). 67 LCP died because of LC (LS=471.9±344 days). AT significantly improved 5YS (68% vs. 53.7%) (P=0.028 by log-rank test). Cox modeling displayed that 5YS of LCP significantly depended on: N0-N12, T3-4, blood cell circuit, cell ratio factors (ratio between cancer cells-CC and blood cells subpopulations), LC cell dynamics, recalcification time, heparin tolerance, prothrombin index, protein, AT, procedure type (P=0.000-0.031). Neural networks, genetic algorithm selection and bootstrap simulation revealed relationships between 5YS and N0-12 (rank=1), thrombocytes/CC (rank=2), segmented neutrophils/CC (3), eosinophils/CC (4), erythrocytes/CC (5), healthy cells/CC (6), lymphocytes/CC (7), stick neutrophils/CC (8), leucocytes/CC (9), monocytes/CC (10). Correct prediction of 5YS was 100% by neural networks computing (error=0.000; area under ROC curve=1.0).
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- 2. Dr Sana lundBaloch M.Phil hematology Lymphatic system
- 3. Introduction The lymphatic system is a network of lymphatic vessels and lymph nodes in different areas of body that maintains normal haemostasis. It returns fluids that have leaked from the blood vascular system back to the blood to maintain the blood volume. Consists of: Lymph Lymphatic vessels Lymph nodes Lymphoid organs and tissues
- 4. Functions of lymphatic vessels It returns protein rich fluid to circulation that leaked around cells thus resolving edema formation. Absorbs fats from digestive system and transports them to circulatory system. Filters dead cells , infectious organisms from tissue fluid. After filtering returns to circulatory system.
- 5. lymphangitis It refers to acute inflammatory process of lymphatic vessels caused by bacteria specially streptococcal infection of skin, viruses(CMV), fungi or parasites. Other risk factors: Insect bite Skin infections such as cellulitis Infected surgical wound Fungal skin infection Low immunity due to chemotherapy drugs , diabetes etc Signs symptoms : Red streaks fever with chills Pain Enlarged and tender lymph nodes If untreated can lead to sepsis bacterimia
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