{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Sickled cells tangle block blood vessels tissue

Info icon This preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: ge protein 4 polypeptide chains (2 alpha, 2 beta) Each chain contains an iron containing heme group Iron binds O2 for transport Globin chains bind CO2 for transport Structure of Hemoglobin Figure 17.4 Leukocytes WBC = white blood cell 4000 11,000/L Nucleus 5 types: Neutrophils Eosinophils Basophils (Mast cells in tissue) Lymphocytes T and B (some B's are Plasma cells) Monocytes (Macrophage in tissue) Figure 24-4 Neutrophils Most abundant type (NLMEB Never Let Monkeys Eat Bananas) Phagocytic eat bacteria Release cytokines Pyrogens to increase body temperature (fever) Chemicals that cause inflammation Eosinophils Allergic reactions Release chemicals that contribute to inflammation and tissue damage Kill parasites (worms) Release chemicals to kill (cytotoxic cells) Basophils Inflammation + Allergic reactions Histamine vasodilation, bronchoconstriction Heparin inhibits blood clotting Other cytokines Mast cells in tissues of skin, lungs, digestive tract Monocytes Don't spend much time in blood Invade tissues Macrophages Macrophages: Very effective phagocytes Antigen-presenting cells fragments of processed antigens are displayed on cell surface for recognition by other cells to ultimately stimulate production o...
View Full Document

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern