Lymph lymph vessels lymph nodes spleen tonsils adenoids lacteals. Each of the quizzes includes 15 multiplechoice style questions. The lymphatic system is a network of vessels that collect these fluids or lymph. Medulla houses macrophages which engulf and destroy foreign substances cortex nurtures lymphocytes which provide immune response to antigens cortex 9. The lymphatic system aids the immune system in removing and destroying waste, debris, dead blood cells, pathogens, toxins, and cancer cells. Explain how lymph forms and returns to the bloodstream. Provides a pathway for fluid that escapes the cardiovascular system to be returned to it. Lymphatic capillaries called lacteals absorb certain fatty acids in the small intestine. The right lymph duct drains the right arm, shoulder area, and the right side of. This page tells you about the different parts of the lymphatic system and what they do.
The lymphatic vasculature plays an essential role in the maintenance of tissue interstitial fluid balance and in the immune response. Unlike our other systems studied thus far, immunity does not necessarily have a speci. Lymphatic nodules peyers patches are clusters of lymphatic nodules under the epithelium of the small intestine and the large intestine 3. Lymph nodes filter lymph before it is returned to the blood defense cells in nodes. Choose from 500 different sets of chapter 20 notes lymphatic system flashcards on quizlet. The lymphatic vasculature is not considered a formal part of the immune system, but it is critical to immunity.
The quizzes below are on the lymphatic system, which together with the cardiovascular system forms the circulatory system. Formation of lymphatic fluid some components of blood plasma leave capillaries of circulatory system to become interstitial tissue in body tissues excess interstitial. The immune system is the complex collection of cells. Lymphatic endothelial cells, for example, directly present antigen or express factors that greatly influence the local environment. The human lymphatic system the lymphatic system is closely associated with both the immune system and the circulatory system structure of the lymphatic system. The lymphatic system absorbs fats and fatsoluble vitamins from the digestive system and delivers these nutrients to the cells of the body where they are used by the cells. It maintains fluid levels in our body tissues by removing all fluids that leak out of our blood vessels. Major functions of the lymphatic system the lymphatic system is essential for our survival. It is spread throughout your body, like blood vessels, and it has many different parts. The lymphatic veins flow into one of two lymph ducts. Functions of lymphatic system biology notes for igcse 2014. Freephone helpline 0808 808 5555 the lymphatic system. To collect and recycle the excess interstitial fluid and its dissolved substances, 2. Read this article to learn about the lymphatic system of human body.
Ziser lecture notes, 2005 3 also called lymph glands oval, vary in size from pinhead to lima bean most numerous of the lymphatic organs 100s functions of lymph nodes. Chapter 21 lecture outline palm beach state college. Its pathway begins after resorption from initial lymphatics and lymph transport to. Note the unequal drainage of the lymph system into the two ducts. Learn anatomy notes chapter 12 lymphatic system with free interactive flashcards. Within lymphatic vessels, this collected material forms a usually colorless fluid called lymph, which is transported to the right and left subclavian veins of the circulatory system. Lymph is a thin, watery fluid which forms when interstitial fluid diffuses into tissue spaces. The lymphatic system provides a oneway route for movement of interstitial fluid to the cardiovascular system. Learn chapter 20 notes lymphatic system with free interactive flashcards. Organs of the lymphatic system aid immunity lymph nodes small 1 25 mm round structures found at points along lymphatic vessels that have fibrous connective tissue capsule with incoming and outgoing lymphatic vessels. The lymphatic system transports lymph from interstitial space in different organs toward the base of the neck. It consist of closed system of vessels which ramify in the tissue spaces in and around the blood capillaries, and conveys the tissue fluid into the blood vascular system by acting as an alternate route.
Around 2 liters of fluid leak from the cardiovascular system into body tissues every day. Unit 6 the lymphatic system chapter 20 lymphatic system overview lymphatic vessels and flow of lymph lymphoid cells, tissues, and organs 7th edition overview of the lymphatic system major components of the lymphatic system fig. Describe the structure and function of the lymphatic tissue lymph fluid, vessels, ducts, and organs discuss the cells of the immune system, how they function, and their relationship with the lymphatic system. Useful notes on the lymphatic system of human body. The lymphatic system is an important component of the immune system, which fights infection.
Antigens nonself copyright 2003 pearson education, inc. Lymphatic system, page 6 of e phagocytes 1 located in virtually all body organstissues 2 engulf pathogen in vacuole and fuse with. The lymphatic system lymphoma is a cancer of the lymphatic system. With about 600 nodes and a vast network of vessels penetrating nearly every tissue, the lymphatic system helps the body to. Lymph returns the excess fluid filtered from the blood vessel capillaries, as well as the protein that leaks out of the blood vessel capillaries. The lymphatic system includes your spleen, thymus, lymph nodes and lymph channels, as well as your tonsils and adenoids. Human physiologythe immune system 2 lymphatic system the human lymphatic system the lymphatic system and the immune system are terms that are used interchangeably to refer to the bodys ability to defend against pathogens. Rather it is a functional system comprising of multiple types of molecules, as opposed to larger anatomical organ structures. The lymphatic system is a vascular network of tubules and ducts that collect, filter, and return lymph to blood circulation.
The lymph nodes monitor the lymph flowing into them and produce cells and. Functions of the lymphatic system lymphatic capillaries reabsorb excessive tissue fluid and transport the fluid through the lymphatic pathway, and ultimately dispose it into the blood. Describe the structure and function of the red bone. The lymphatic system notes ant 318 ualbany studocu. To absorb fats and other substances from the digestive tract this topic will be discussed in the digestive system unit, and 3. The lymphatic system is important for the optimal functioning of our general and specific immune responses. The lymphatic immune system ch 12, part 1 the lymphatic system is closely associated with the cardiovascular system. The lymphatic system is part of your immune system, which helps protect you from infection. Your bodys lymphatic system is part of your immune system, which protects you against infection and disease. Choose from 500 different sets of anatomy notes chapter 12 lymphatic system flashcards on quizlet.
If you get a question right the next one will appear automatically, but if you get it wrong well tell you the correct answer. Histology biol 4000 lymphoid system lecture notes 9. Lymphatic tissue and fluid lymphatic tissues are connective tissues like blood lymphatic fluid is essentially the same as interstitial fluid o fluid contains many lymphocytes v. One group of white blood cells, the lymphocytes, are made in lymph glands such as the tonsils, adenoids and spleen.
The nodes shown are the high concentration areas only, which occur at the. The lymphatic system is comprised of three interrelated functions. Lymphatic system consists of tissues and organs that produce. The lymphatic system expected learning outcomes list the functions of the lymphatic system. Name the major cells of the lymphatic system and state their functions. Lymph is a clear fluid that comes from blood plasma, which exits blood vessels at capillary beds. Diffuse lymphatic tissue lymphocytes in mucous membranes and ct of. Describe why it is important for interstitial fluid to be removed by the lymphatic system. The lymphatic system is part of the circulatory system, comprising a network of interconnected tubes known as lymphatic vessels that carry a clear fluid called lymph towards the heart the lymphatic organs play an. Lymphatic organs lymph nodes, tonsils, thymus, spleen 2.
806 1182 758 345 41 694 1096 1319 1117 1285 1113 358 150 1101 202 64 88 681 1207 597 580 156 953 1022 175 133 59 925 1178 1031 661 667 457 300 679 498 1057 883 1190 1225 1129