NATS 1610 Study Guide - Final Guide: Mast Cell, Hemostasis, Biochemical Cascade

• School: York University
• Department: Natural Science
• Course: NATS 1610
• Professor: Barbara Czaban

Document Summary

Immunity is the body;s ability to resist or eliminate potenially harmful foreign materials or abnormal cells. The immune system: defends against invading pathogens, removes worn-out cells and issue damanged by trauma. Ideniies and destroys abnormal or mutant cells that originated in the body can also mount anomoalous immune responses that lead either to allergies or autoimmune diseases. Bacteria: non-nucleated, single celled microorganisms, causes issue damage and disease by releasing enzymes or toxins. Lymphaic issue produce, store and process lymphocytes. Primary lymphaic organs contain large numbers of lymphocytes (important to the immune system: red bone marrow. Site of stem cells that produce blood cells including lymphocytes. Some lymphocytes mature here into b lymphocytes: some b lymphocytes become plasma cells which males specific anigen-binding molecules called anibodies, thymus gland. Filled with lymphocytes that become t lymphocytes: immature t lymphocytes migrated to thymus from red bond marrow via blood stream, t lymphocytes recognize and atack specific foreign invaders.