CHAPTER 14 LYMPHATIC SYSTEM
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| transports excess tissue fluid to bloodstream | lymphatic system
🗑
|
||||
| lymphatic system | absorbs fats
🗑
|
||||
| helps defend body against disease causing agents | lymphatic system
🗑
|
||||
| lymphatic pathways | capillaries
vessels
trunks/collecting ducts
🗑
|
||||
| lymphatic capillaries | microscopic
receive lymph through own thin walls
🗑
|
||||
| closed-ended tubes extend into interstitial spaces | lymphatic capillaries
🗑
|
||||
| lymphatic vessels | similar to veins, only thinner &
valves prevent backflow of lymph
🗑
|
||||
| lead to lymph nodes & merge into lymphatic trunk | larger lymphatic vessels
🗑
|
||||
| lymphatic collecting duct | join subclavian veins
🗑
|
||||
| lymphatic trunks | lead to 2 collecting ducts
🗑
|
||||
| thoracic & right lymphatic ducts | 2 collecting ducts of lymphatic trunks
🗑
|
||||
| lymph physiology | returns protein molecules to bloodstream & transports foreign particles to lymph nodes
🗑
|
||||
| lymph formation | increased pressure in interstitial space force tissue fluid into lymphatic capillaries fluid=lymph
🗑
|
||||
| tissue fluid origin | blood plasma
🗑
|
||||
| lacks large proteins small proteins filtered out blood capillaries to interstitial spaces | tissue fluid
🗑
|
||||
| as protein concentration of tissue fluid increases, colloid osmotic pressure increases | tissue fluid formation
🗑
|
||||
| lymph under low pressure | no flow ready w/o external aid
🗑
|
||||
| lymph movement | contraction of skeletal muscles
🗑
|
||||
| contraction of smooth muscle in walls of large lymphatic trunks | lymph movement
🗑
|
||||
| lymph movement | low pressure in thorax by breathing movements
🗑
|
||||
| lymph node structure | subdivided into nodules
🗑
|
||||
| nodules | contain masses of lymphocytes & macrophages
🗑
|
||||
| lymph node location | aggregate in groups/chains along paths of larger lymphatic vessels
🗑
|
||||
| lymph node physiology | filter harmful foreign particles from lymph
🗑
|
||||
| center for production of lymphocytes & contain phagocytic cells | lymph node physiology
🗑
|
||||
| thymus | lymphatic tissue subdivided into lobules
🗑
|
||||
| slowly shrinks after puberty | thymus
🗑
|
||||
| some lymphocytes leave ____ & provide immunity | thymus
🗑
|
||||
| spleen | resembles large lymph node subdivided into lobules
🗑
|
||||
| spaces within splenic lobules are filled with ____ | blood
🗑
|
||||
| contains many macrophages, filter foreign particles & damaged red blood cells from blood | spleen
🗑
|
||||
| body defenses against infection | body has innate & adaptive defenses against infection
🗑
|
||||
| innate nonspecific defenses | species resistance
mechanical & chemical barriers
natural killer cells
inflammation
phagocytosis
fever
🗑
|
||||
| fever | high body temp= decrease in blood iron level & increase in phagocytic activity hamper infection
🗑
|
||||
| neutorphils & monocytes | most active phagocytes in blood
🗑
|
||||
| monocytes | give rise to macrophages,
remain fixed in tissues
🗑
|
||||
| phagocytic cells association | linings of blood vessels in bone marrow
liver, spleen, lungs, lymph nodes
🗑
|
||||
| phagocytes | remove foreign particles from tissue & body fluids
🗑
|
||||
| inflammation | tissue response to injury/infection
🗑
|
||||
| localized redness,swelling,heat,pain | inflammation
🗑
|
||||
| chemicals released by damaged tissue attract ____ to site | WBC
🗑
|
||||
| connective tissue forms sac around injured tissue & block spread of ____ | pathogens
🗑
|
||||
| natural killer cells | secrete perforins
🗑
|
||||
| perforins | destroy cancer cells & cells infected w/ viruses
🗑
|
||||
| species resistance | each species is resistant to certain diseases that affect other species
🗑
|
||||
| mechanical barriers | block entrance of pathogens
🗑
|
||||
| skin & mucous membranes | mechanical barriers
🗑
|
||||
| activation of complement proteins in plasma stimulate | inflammation
attract phagocytes
enhance phagocytosis
🗑
|
||||
| enzymes in gastric juice & tears kill ____ | pathogens
🗑
|
||||
| interferons | chemical barrier
🗑
|
||||
| stimulate unifected cells to synthesize antiviral proteins stimulating phagocytosis | interferons
🗑
|
||||
| interferons | block proliferation of viruses
🗑
|
||||
| enhance activity of cells that help resist infections | interferons
🗑
|
||||
| stifle tumor growth | interferons
🗑
|
||||
| adaptive specific defenses/immunity | antigens
lymphocyte
T cells-cellular immune response
B cells-humoral immune response
antibody
immune responses
immunity
allergic reactions
transplantation
tissue rejection
autoimmunity
🗑
|
||||
| before birth, body cells inventory ___ & other large molecules | self proteins
🗑
|
||||
| lymphocytes self antigens | after inventory, _____ develop receptors allow differentiation of nonself & ____
🗑
|
||||
| nonself antigens | combine w/ T&B cell surface receptors & stimulate these cells to cause immune reaction
🗑
|
||||
| haptens | small molecules can combine w/ larger ones, =antigenic
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
virg
Popular Anatomy sets