{"id":2437,"date":"2021-01-03T10:59:41","date_gmt":"2021-01-03T10:59:41","guid":{"rendered":"http:\/\/www.virtualdentist.in\/blog\/?p=2437"},"modified":"2021-01-04T04:00:05","modified_gmt":"2021-01-04T04:00:05","slug":"the-human-immune-system","status":"publish","type":"post","link":"https:\/\/www.virtualdentist.in\/blog\/the-human-immune-system\/","title":{"rendered":"The Human Immune System"},"content":{"rendered":"<h3><span style=\"color: #0000ff\">The Human Immune System<\/span><\/h3>\n<h3><a href=\"http:\/\/www.virtualdentist.in\/blog\/2020\/08\/03\/the-human-immune-system\/immune-system\/\" rel=\"attachment wp-att-2438\"><img loading=\"lazy\" class=\"alignnone wp-image-2438\" src=\"http:\/\/www.virtualdentist.in\/blog\/wp-content\/uploads\/2020\/08\/immune-system.png\" alt=\"\" width=\"298\" height=\"164\" \/><\/a><\/h3>\n<div dir=\"auto\">In this present scenario, the immunity system plays the most vital role in our daily life.\u00a0 There are tiny, microscopic lurks everywhere in our environment.\u00a0 Harmful viruses, bacteria and even cells within the body can attack a person and causes many problems ranging from mild reaction such as sneezing and rashes to life-threatening illnesses.\u00a0 Our body consists of a protective mechanism that fights with these dangers and sometimes wins the battle.\u00a0 This protective mechanism is known as the immune system.\u00a0 Immunology is a branch science which deals with the study of the immune system.\u00a0 The specialist in the field is called an immunologist.<\/div>\n<div dir=\"auto\"><\/div>\n<div dir=\"auto\">There are some specialized organs, which our immune system consists, such as thymus, lymph nodes, tonsils, and spleen.\u00a0 These specialized organs play the most significant role in the immune system.\u00a0 This system is responsible for protecting and defending the body from outside and from internal mechanisms that cause the body to turn against itself.\u00a0 The immune system\u2019s organs are as followed:<\/div>\n<div dir=\"auto\"><\/div>\n<div dir=\"auto\">Thymus:\u00a0 This organ located in the anterior portion of the chest.\u00a0 T-cells (T stands for thymus) are the type of white blood cell that is produced in the thymus.<\/div>\n<div dir=\"auto\">Lymph nodes:\u00a0 These nodes are located clusters throughout the body.\u00a0 A network of lymph vessels circulates lymphatic fluid throughout the body.\u00a0 This clear fluid picks up cells and tiny particles that can cause disease.<\/div>\n<div dir=\"auto\">Spleen:\u00a0 This organ is the largest one in the lymphatic system.\u00a0 Its main location is in the upper left quadrant of the abdomen.<\/div>\n<div dir=\"auto\">Tonsils:\u00a0 The tonsils are structures made up of lymphoid tissue.\u00a0 There are three types of tonsils, such as palatine tonsils (located on each side of the throat), pharyngeal tonsils, or adenoids (located on the posterior opening of the nasopharynx) and lingual tonsils, located on both sides of the base of the tongue.<\/div>\n<div dir=\"auto\"><\/div>\n<div dir=\"auto\">There are two types of immunities, such as specific immunity and nonspecific immunity.\u00a0 Specific immunity is attacked by the body after exposure to an individual virus or any other substance.\u00a0 Nonspecific immunity is provided by the skin and mucous membranes.<\/div>\n<div dir=\"auto\"><\/div>\n<div dir=\"auto\">The infant is born with his or her mother\u2019s immunity, which provides protection for several months.\u00a0 The infant acquires further immunity from the rich stores of bacterial and viral antibodies in breast milk.\u00a0 According to age and month-wise, immunization was scheduled, such as Hepatitis B, Diphtheria, tetanus, pertussis, H. influenzae type b, polio, rotavirus, measles, mumps, Rubella, varicella (chickenpox).\u00a0 In the case of adults and seniors, allergies are one of the most common problems requiring people to visit the physician.\u00a0 There are major types of allergic reactions, hay fever, hives, certain types of asthma, etc.<\/div>\n<div dir=\"auto\"><\/div>\n<div dir=\"auto\">Human immunodeficiency virus (HIV) is a sexually transmitted retrovirus that can cause AIDS (acquired immunodeficiency syndrome).\u00a0 The T-cells in the host, the person who has the virus are affected and destroyed.\u00a0 T-cells destruction leads to immunodeficiency, making the person susceptible to many infectious pathogens, classified as opportunistic infections.\u00a0 As a person ages, the immune system seems to function less efficiently.\u00a0 Thus, an individual approaches his or her 60s or 70s, various diseases tend to appear.<\/div>\n<div dir=\"auto\"><\/div>\n<div dir=\"auto\">Laboratory tests are very important for diagnosing the immune disorder.\u00a0 There are common tests is the measurement of immunoglobulins (Ig) IgM, IgG, IgA, IgD, and IgE.\u00a0 Other tests include T-cell numbers, T-cell subsets, such as T4 and T8.\u00a0 The presence of HIV is assessed with two main tests, ELISA (enzyme-linked immunosorbent assay and Western blot.<\/div>\n<div dir=\"auto\"><\/div>\n<div dir=\"auto\">Antibiotics are the mainstay of treatment for bacterial infections and antivirals are the mainstay of treatment for viral infections.<\/div>\n<h3><\/h3>\n","protected":false},"excerpt":{"rendered":"<p>The Human Immune System In this present scenario, the immunity system plays the most vital role in our daily life.\u00a0 There are tiny, microscopic lurks everywhere in our environment.\u00a0 Harmful viruses, bacteria and even cells<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ub_ctt_via":""},"categories":[2],"tags":[280,279,281,277,278,282],"featured_image_src":null,"author_info":{"display_name":"Virtual Dentist","author_link":"https:\/\/www.virtualdentist.in\/blog\/author\/virtual-dentist\/"},"yoast_head":"<!-- This site is optimized with the Yoast SEO 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