Term
| Human Body 3 lines of Defense |
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Definition
-The skin
-roaming cells that attack and engluf(macrophages)
-Highly Specific Immune System |
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Term
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Definition
| Epidermis, dermis, subcutaneous layer |
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Term
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Definition
-20 layers of dead cells
-contains nerve endings that allow us to feel
-prevents microbe invasion |
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Term
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Definition
-vascularized
-contain nerve cells and hair cells
-sweat glands
-made of collagen |
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Term
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Definition
composed primarily of fat
-heat exchange
-more heavily vascularized
ADIPOSE |
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Term
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Definition
consume foreign cells
signal B & T cells to start working |
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Term
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Definition
| inject bleach into bacteria to cause it to erupt. |
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Term
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Definition
| inject perforin in bacteria or virus causing it to erupt. |
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Term
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Definition
| inject bacteria and viruses to try to cause it to erupt similar to perforin system. active when fungi and bacteria enter body! |
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Term
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Definition
| protein produced by host cells that activates macrophages and NK cells. |
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Term
| How does fever help fight bacteria? |
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Definition
| slows down the reproduction of bacteria by making an unpleasant and difficult environment. |
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Term
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Definition
Infected cells release response to alarm(histamine and prostaglandins)
-signals cause vessels to expand which increases blood flow and makes capillaries more permeable(redness).
-monocytes and macrophages clean up infected area after neutrophilis kills any threat. |
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Term
| How do macrophages recognize intruders? |
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Definition
| by using MHC to randomly revise other cells and see if they are healthy or intruders. |
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Term
| How is the immune response initiated? |
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Definition
| when macrophages identify unhealthy or non self cell, they release interluken 1 which activates helper T cells which release IL2 which activate T and B cells. |
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Term
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Definition
| detects infections sounds alarm for B and T cells |
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Term
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Definition
| Provides quick response from previously encountered antigen lasts in body for long period of time. |
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Term
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Definition
| detects and kills infected body cells. check other cells with MHC |
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Term
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Definition
| slows down activity of T and B cells after infection has been checked. |
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Term
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Definition
| Precursor of Memory cells used to recognize specific previous antigens |
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Term
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Definition
| initiator of the inflammatory response. Activated when they are damaged by lesion or cut. |
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Term
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Definition
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Term
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Definition
| harmless virus is injected with pathogenic encoded microbes. |
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Term
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Definition
| immune system fails to determine what cells are self and non-self. |
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Term
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Definition
| inappropriate response by the immune system of harmless particles(POLLEN) |
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Term
| How is HIV specific to macrophages and helper T cells. |
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Definition
| CD4 receptor is necessary for HIV to be spread from macrophage to macrophage. HIV destroys helper T cells which prevents body from detecting threat. |
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Term
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Definition
| transmitted through fluids with high levels of macrophages such as SEMEN,BLOOD,VAGINAL FLUID. |
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Term
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Definition
| most common, common in fair skin peopled,rarely spreads, related to sun exposure. |
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Term
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Definition
2nd most common
precancerous growth
irregular pigment shape removed by surgery |
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Term
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Definition
| rarest,may be fatal if not treated,family history |
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Term
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Definition
| cannot be cured, has it run its course, can be prevented with vaccines. |
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Term
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Definition
| can be supressed and slowed with antibiotics |
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Term
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Definition
| harder to get rid of because they are eukaryotes like humans. if there is treatment there is side effects for host. |
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Term
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Definition
| organism has both male and female sex organs..can produce sperm and egg |
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Term
| sequential hermaphriditism |
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Definition
organism can change from one sex to another throughout lifetime
fish plants lizards |
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Term
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Definition
| eggs exist outside mothers body. |
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Term
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Definition
egg inside mother yet no exchange of nutrients. hatches inside then is born.
fish and reptiles |
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Term
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Definition
| sharks and mammals. growth inside mother. mother gives nutrients to fetus. |
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Term
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Definition
| lay eggs. birds, reptiles. |
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Term
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Definition
| born early yet develop in mothers pouch. feed off teet. |
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Term
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Definition
| fetus develops in mothers placenta. |
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Term
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Definition
| ejaculation which is the contraction of vas defernes |
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Term
| sperm structure consists of |
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Definition
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Term
| fertilization must occur in fallopian tubes because |
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Definition
| egg can only be fertilized for hours after ovulation. |
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Term
| birth developmental steps |
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Definition
fertilization at point
cells divide wen zygote attaches itself
first month growth of basic tissue
2nd,3rd month organs form
2nd,3rd trimester mass growth |
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Term
| abstanince natural methods |
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Definition
| no sex, rhythm meter, coitus interruptus |
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Term
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Definition
| condom, diaphgragm, cervical cap |
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Term
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Definition
| douching, spermicidal jelly, sponges |
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Term
| ovulation prevention methods |
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Definition
| birth control, patches, implanted caps, injections |
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Term
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Definition
| vasectomy, tubual ligation |
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Term
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Definition
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Term
| preventing embryo implanting |
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Definition
| morning after, IUD, ru846 |
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Definition
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