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A&P 2404 More Notes

What is large ONLY early in life; atrophies after puberty & is the site of maturation of T-cells? Thymus
What is located around the entrance to the throat? Tonsils
End in blind pockets(pouches) are called what? crypts
Where is M.A.L.T (mucosa associated lymphoid tissue) Located? In the walls of the small intestines(peyer's patches), appendix & walls of bronchi
How is lymph transported? Skeletal muscle pump, respiratory pump,valves(prevent backflow), pulsation of near arteries
What are Chemicals in the Immune system? Complement, Inferons, Perforin & Antibodies
This chemical of the immune system has a group of at least 20 plasma proteins; plays a role in specific and Non specific defenses & is a chemotactic agent that inhances leukocytosis Complement
This chemical of the Immune system has small proteins that are released by virus-infected cells to uninfected cells; these are taken up & incorporated and will Interfere with Viral replication Interferons
What chemical of the immune system has cytotoxic T's that kill directly contains Interleukin 1(machrophages) & Interleukin 2 (help T's) Perforin
What is Cytotoxic T's main weapon? a Cytolytic protein
Where are cytolytic proteins found? in the granules of CD8 Tcells and NK cells
Do antibodies kill directly? No
Which cells provide humoral immunity? B-cells
What are the mechanisms of antibody action? Agglutination,Precipitation,Complement fixation, & neutralization
What are antibodies made of? Proteins, 4 amino acid chains, 2 heavy & 2 Light
Antibodies contain all of the following binding sites.. Antigen binding site, complement binding site, macrophage bing site
What are the mechanisms involved in Autoregulation in kidneys? Myogenic mechanism, tubuloglomerular feedback, & Renin-angiotesin mechanism
In Autoregulation of kidneys, which mechanism has smooth mucsle contractions when stretched? Myogenic mechanism
In autoregulation of kidneys, which mechanism involves increase construction of afferent arterioles (restricts blood flow to nephron) when b.p increases? Myogenic mechanism
In autoregulation, which mechanism involves dilation of afferent arterioles(glomerules gets more blood)when b.p decreases? Myogenic mechanism
In autoregulation, which mechanism acts on angiotensiogen & increases the release of aldosterone? Renin-angiotensin mechanism
In Tubuloglomerular feedback, what occurs in the DCT? macula densa cells act as chemoreceptors
In Tubuloglomerular feedback, what occurs in teh afferent arterioles? Juxtaglomerular cells act as baroreceptors which detect b.p
In Tubuloglomerular feedback, fast filtrate increases pressure,Na+&Cl- and releases what? Macula Densa cells release vasocontrictors
In tubulogomerular feedback, slow filtrate decrease pressure, Na+ & Cl- and release what? Macula Densa cells release vaso dilators
In Renin-angiotensin mechanism, what is the adrenal cortex hormone? aldosterone
In renin-angiotensin mechanism, what does aldosterone do? affects the DCT, allows reclamation of Na+ from filtrate & increases blood volume which increases b.p
Created by: a_palacios3



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