Lymphoid cells: Cells of the adaptive immune system
... major histocompatability complex (MHC) molecule by an antigen presenting cell (APC). The antigen presenting cell is usually a dendritic cell, although it is sometimes a B lymphocyte or macrophage. The antigenic peptide is derived from a protein, which has been endocytosed and broken down by the anti ...
... major histocompatability complex (MHC) molecule by an antigen presenting cell (APC). The antigen presenting cell is usually a dendritic cell, although it is sometimes a B lymphocyte or macrophage. The antigenic peptide is derived from a protein, which has been endocytosed and broken down by the anti ...
Ch.40 - Jamestown School District
... behaviors that reduce your exposure to pathogens & maintain overall good health Healthful behaviors include eating a healthy diet, exercise, get plenty of rest, abstaining from harmful activities, & have regular ...
... behaviors that reduce your exposure to pathogens & maintain overall good health Healthful behaviors include eating a healthy diet, exercise, get plenty of rest, abstaining from harmful activities, & have regular ...
100 Important Facts you need to know to pass the
... 100 Important Facts you need to know to pass the Living Environment Regents Exam TOPIC 1 1.The ability of an organism to maintain internal stability is known as homeostasis. 2.Metabolism- the sum of all the chemical reactions that occur within the cells of an organism. 3.Organic molecules contain bo ...
... 100 Important Facts you need to know to pass the Living Environment Regents Exam TOPIC 1 1.The ability of an organism to maintain internal stability is known as homeostasis. 2.Metabolism- the sum of all the chemical reactions that occur within the cells of an organism. 3.Organic molecules contain bo ...
Stem Cell Notes
... • It is not possible to develop an entire human being because they cannot develop extraembrionic tissues • Multipotent cells can develop into limited cell types, not any layer ...
... • It is not possible to develop an entire human being because they cannot develop extraembrionic tissues • Multipotent cells can develop into limited cell types, not any layer ...
Receptors
... • Recognition of self – cell recognise environmental cells., important for appropriate functions • Identification of lack of self – can start reaction (Ca decrease amount of MHC I molecules, that enable Natural Killers – NK cells – to destroy self cells) • Recognition of foreign – via 2 types of rec ...
... • Recognition of self – cell recognise environmental cells., important for appropriate functions • Identification of lack of self – can start reaction (Ca decrease amount of MHC I molecules, that enable Natural Killers – NK cells – to destroy self cells) • Recognition of foreign – via 2 types of rec ...
Nature of The Immune System
... Basophils easily identified due to large numbers of bluishblack granules in the cytoplasm. The granules are a source of mediators such as histamine (vasoactive amine that contracts smooth muscle) and heparin. Basophils and platelets are found in the circulation, mast cells are situated in the tissue ...
... Basophils easily identified due to large numbers of bluishblack granules in the cytoplasm. The granules are a source of mediators such as histamine (vasoactive amine that contracts smooth muscle) and heparin. Basophils and platelets are found in the circulation, mast cells are situated in the tissue ...
Unit Three
... Immune System and Antigens • An Antigen is a marker placed on a pathogen to identify it as a foreign invader; it causes an Immune ...
... Immune System and Antigens • An Antigen is a marker placed on a pathogen to identify it as a foreign invader; it causes an Immune ...
Slide 1
... CASE STUDY SCENARIO In order to discuss plants in a meaningful way, it is important to know the proper names for all the different parts a plant can have. Flowering plants have four major part types: •Leaves •Flowers •Stems •Roots Leaves Leaves make all the food for the plant. They do this by changi ...
... CASE STUDY SCENARIO In order to discuss plants in a meaningful way, it is important to know the proper names for all the different parts a plant can have. Flowering plants have four major part types: •Leaves •Flowers •Stems •Roots Leaves Leaves make all the food for the plant. They do this by changi ...
Cells Working Together Transcript
... WHICH PROVIDES THE BODY WITH OXYGEN AND HELPS IT GET RID OF THE WASTE PRODUCT CARBON DIOXIDE. THE LUNGS ARE THE MAIN RESPIRATORY ORGANS. THE NINTH AND LAST ORGAN SYSTEM IS THE REPRODUCTIVE SYSTEM, WHICH ALLOWS US TO HAVE CHILDREN. THE FEMALE OVARIES AND THE MALE TESTIS ARE THE MAIN ORGANS OF THE REP ...
... WHICH PROVIDES THE BODY WITH OXYGEN AND HELPS IT GET RID OF THE WASTE PRODUCT CARBON DIOXIDE. THE LUNGS ARE THE MAIN RESPIRATORY ORGANS. THE NINTH AND LAST ORGAN SYSTEM IS THE REPRODUCTIVE SYSTEM, WHICH ALLOWS US TO HAVE CHILDREN. THE FEMALE OVARIES AND THE MALE TESTIS ARE THE MAIN ORGANS OF THE REP ...
Dietrich Conze, Ph.D.
... isoform specific roles of a family of serine/threonine kinases in T cell differentiation and adaptive immunity, and identified that cytokines can induce multi-drug resistance in cancer cells. He then continued his scientific pursuits as a Postdoctoral Fellow in the Laboratory of Immune Cell Biology ...
... isoform specific roles of a family of serine/threonine kinases in T cell differentiation and adaptive immunity, and identified that cytokines can induce multi-drug resistance in cancer cells. He then continued his scientific pursuits as a Postdoctoral Fellow in the Laboratory of Immune Cell Biology ...
Document
... 1. Two characteristics that distinguish immunity from nonspecific resistance are specificity and memory. 2. Two types of immunity are recognized. a. Humoral (antibody-mediated) immunity is based on the action of antibodies. Circulating antibodies bind to bacteria, toxins, and extracellular viruses a ...
... 1. Two characteristics that distinguish immunity from nonspecific resistance are specificity and memory. 2. Two types of immunity are recognized. a. Humoral (antibody-mediated) immunity is based on the action of antibodies. Circulating antibodies bind to bacteria, toxins, and extracellular viruses a ...
Lecture Outline
... B. Complex animals exhibit levels of organization. 1. A tissue is an aggregation of cells and intercellular substances that function in one or more specialized activities (division of labor). 2. Various types of tissues can combine to form organs, such as the heart. 3. Organs may interact to form or ...
... B. Complex animals exhibit levels of organization. 1. A tissue is an aggregation of cells and intercellular substances that function in one or more specialized activities (division of labor). 2. Various types of tissues can combine to form organs, such as the heart. 3. Organs may interact to form or ...
AP Biology - Al Young Studios
... 10. Distinguish between antigens and antibodies. 11. Explain how B cells and T cells recognize specific antigens. 12. Explain how the particular structure of a lymphocyte's receptor is determined. 13. Describe the mechanism of clonal selection. Distinguish between effector cells and memory cells. 14 ...
... 10. Distinguish between antigens and antibodies. 11. Explain how B cells and T cells recognize specific antigens. 12. Explain how the particular structure of a lymphocyte's receptor is determined. 13. Describe the mechanism of clonal selection. Distinguish between effector cells and memory cells. 14 ...
Phagocytosis POWERPOINT RLE
... • Pathogen recognised as foreign – pathogen is antigenic; chemotaxis • Pathogen attached to phagocyte by antibody and surface receptors • Engulfed by phagocyte by endocytosis – invagination of plasma cell membrane to form a phagosome (a membrane bound vesicle containing the pathogen) • Lysosomes (co ...
... • Pathogen recognised as foreign – pathogen is antigenic; chemotaxis • Pathogen attached to phagocyte by antibody and surface receptors • Engulfed by phagocyte by endocytosis – invagination of plasma cell membrane to form a phagosome (a membrane bound vesicle containing the pathogen) • Lysosomes (co ...
Immune Responses
... G) Fever 1) caused by pyrogens a) any chemical that causes an increase in body temperature b) most often released from WBC, as well as some bacteria 2) promote sequestration of iron & zinc 3) may aid interferon, inhibit microbe growth, & speed reaction time of defense cells ...
... G) Fever 1) caused by pyrogens a) any chemical that causes an increase in body temperature b) most often released from WBC, as well as some bacteria 2) promote sequestration of iron & zinc 3) may aid interferon, inhibit microbe growth, & speed reaction time of defense cells ...
Presentation
... protein antigens in any nucleated cell • Effector functions: – Killing of infected cells (microbes in cytoplasm), tumor cells (tumor antigens in cytoplasm) – Secretion of IFN-g --> activation of macrophages (when microbes escape into cytoplasm and antigens enter class I MHC ...
... protein antigens in any nucleated cell • Effector functions: – Killing of infected cells (microbes in cytoplasm), tumor cells (tumor antigens in cytoplasm) – Secretion of IFN-g --> activation of macrophages (when microbes escape into cytoplasm and antigens enter class I MHC ...
Week 8--2/29
... • The pathogen (e.g., virus) carries an oncogene that is inappropriately expressed. • Not all chronic inflammation is due to an infectious agent. For those that are, no oncogenes have been identified. • Infection leads to cell death that requires rapid proliferation that is associated with an accumu ...
... • The pathogen (e.g., virus) carries an oncogene that is inappropriately expressed. • Not all chronic inflammation is due to an infectious agent. For those that are, no oncogenes have been identified. • Infection leads to cell death that requires rapid proliferation that is associated with an accumu ...
Cancers of the immune system.
... ~ Asthma: respiratory disorder that can cause breathing problems. Lungs are oversensitive to allergens like pollen, mold, animal dander etc. The lungs can trigger breathing tubes in the lungs to become narrowed, leading to reduced airflow and making it hard to breath. ...
... ~ Asthma: respiratory disorder that can cause breathing problems. Lungs are oversensitive to allergens like pollen, mold, animal dander etc. The lungs can trigger breathing tubes in the lungs to become narrowed, leading to reduced airflow and making it hard to breath. ...
MATRNAL FETAL RELATIONSHIP AND THE Rh BLOODGROUP
... Colony stimulating factors like IL-3 and GM-CSF produced by the mother are growth factors for the placenta so the placenta pushes for allorecognition by T cells to use their growth factors for it self. Allorecognition causes IgG2 cytotoxic antibodies production and complement activation. Place ...
... Colony stimulating factors like IL-3 and GM-CSF produced by the mother are growth factors for the placenta so the placenta pushes for allorecognition by T cells to use their growth factors for it self. Allorecognition causes IgG2 cytotoxic antibodies production and complement activation. Place ...