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lymphatic cells
floating around the body to see if we have any invaders
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lymph nodes are
holding space for the invaders
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Invaders are
bacteria, virus, fungus
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why do do we get invaded.
because our body is warm, dark and moist
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Promote growth and development of lymphocytes
bone marrow,lymph nodes,lymphatic vessels, thymus, spleen, tonsils, appendix, blood(transports)
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bone marrow does
creates cells
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Lymph nodes do
hold lymph cells and invaders
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Lymphatic vessels do what
passageways for lmphatic fluid
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What is Major Histocompatibility Complex (MHC)
- It is in each in every one of your cells
- -Individual DNA marking in cells
- -Allows cell to recognize and communicate with each other
- - Allows cells to recognize any cells with our markings
- - Creates your immunities
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*The invaders cannot communicate with you that’s how they know they are a invader. Our cells can only speak a certain language…. They attack them and Then they take em to the the lymph nodes. The lymph nodes swell because they r filling up with the invaders.They swell in the area where the infection is. Then they get all types of information to kill em.
Purpose of MHC
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What is able to remember encounters with foreign cells and record how to respond
immune cells
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Types of lymphatic cells
lymphocytes,bcells, t cells
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lymphcytes are
white blood cells
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formed from stem cells and hold the antibody markers for future encounters with invaders (they actually make your antibody)
Will divide to create “clone” antibody cells
b cells
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directly interacts with unwanted cells
-Assists with cellular immunity
t cells
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helper t cells
they activate b cells
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attacks infected and malignant cells
Cytotoxic T
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what is da disease that now works with the body
antibodies
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types of lymphatic cells
intergeron, natural killers (nk), cytokines
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intergeron
fights viruses
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natural killers (NK)
type of lymphocytes that targets tumors and contain deadly chemicals
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cytokines
– regulate immune response -Encourage cell growth -Gathers info from other cells
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The greatest concentration of lymph nodes are where
in the openings of your body
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allows fluid to enter the lymph node
afferent lymphatic vessel
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– exit the lymph node
Efferent lymhatic vessel
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Immunoglobins are called
antibodies
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that enter lymph nodes to “ remember” invaders and response
antibody compley cells
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– guards the entrances of the body ( anus, penus, vagina, ears, nose, eyes,mouth)
IgA
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IgD
regulates cell activities
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IgE
triggers allergic response
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IgG
coats organisms to speed up immune response
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immune response
an invasion
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Recognition of the invador
Growth of defenses
Attack of invaders
Decrease immune response after death of invader
invasion
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(sensitivity) to substances in your environment – pollen, cat hair
allergic responses
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-Hypersensitivities to environment
-igE is triggered
-effects skin, lungs and nasal
allergic response
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actual invasion to your body
pathogen responses
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two types of immunity
artificially acquired and naturally acquired
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immunity after shots given
Vaccines – cause the porduction of antigen antibody complex and memory cells
Ready made antibodies – temporary treatment used to prevent diseases
artificially acquired
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immunity after contracting disease
Active Immunity – a result of infection
Congenital immunity – immunity passed from mother to fetus or mother to infant through breast milk temporary immunity
naturally aquired
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