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Anatomy mathematics Cancer = bad cells = Bad inter cellular junctions = cells slip away Slipping away cells = A PROBLEM. Clearing process = Lymphatics =Veins
Anatomy mathematics Lymphatic capillaries = Blind end =endothelium + overlapping junctions + vesicular system +anchoring filaments + Valves
Anatomy mathematics Lymph node = Fibrous skeleton( Capsule + trabiculae ) + Reticular stroma Reticulocytes+Rfibers + Lymphoid tissue + Sinuses subcapsular,trabicular and medullary
Direction of lymph flow through a lymph node Afferent lymphatic vessel Subcapsular sinus Trabecular or perinodular sinus Medullary sinus Efferent lymphatic vessel Thoracic duct Left subclavian vein General circulation Ross and Pawlina, p. 419
capsule subcapsular sinus cortex deep cortex deep cortexmedulla hilus (w/ artery and vein) medullarysinus medullarycord
Anatomy mathematics Lymphoid follicle = germinal center + Outer lymphocytes
capsule subcapsular sinus cortex reticular cell endothelial cells (easiest to see lining the inner wall, but they line the capsule as well)
Anatomy mathematics Lymphoid follicle = Lymphoid nodule
medullarycord medullarysinus macrophage reticular cell lymphocytes
medullarysinus medullarycord medullarysinus trabecula (connective tissue)
high endothelial venules
red pulp centralartery PALS
Splenic red pulp Some anatomy mathematics Red pulp = sinusoids + splenic cords Splenic cords = billroth columns
Splenic cords and sinuses Ross and Pawlina, p. 427
Splenic Circulation Splenic artery Splenic vein PALS: Periarterial (periarteriolar) lymphatic sheath
capsule red pulp white pulp trabecula (connective tissue)
lumen of crypt stratified squamous epithelium secondary follicles w/ germinal centers
cortex (immature T lymphocytes) medulla (mature T lymphocytes) thymic (Hassal’s) corpuscles
Lymphatic Tissues and Organs February 15, Lymphatic System Lymphatic vessels: Removes extracellular fluid (lymph) from the lamina propria. Absorb.
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Functions of Lymphatic System -Collecting excess interstitial fluid -Filtering lymph -Transporting fats -Produce activated T and B cells.
Lymphoid System VIBS 443/602. OBJECTIVES PURPOSE OF THE IMMUNE SYSTEM CELLULAR BASIS OF IMMUNITY EFFECTORS OF RESPONSE INDUCTION OF THE RESPONSE ONTOGENY.
© 2015 Pearson Education, Inc. Figure 22-2b Lymphatic Capillaries. Incomplete basement membrane Lymph flow Lymphocyte To larger lymphatics Areolar tissue.
Lymphatic System Vessels, Organs and Tissues. Lymphatic System Vessels: Connect to CV Lymphatics Capillaries Collecting vessels Trunks Transport fluid.
Lymphoid System Diffuse Lymphoid Tissue –GALT –BALT Lymph node Spleen.
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1 Lymphatic System. 2 Functions Return fluid to general circulation Production of WBCs Immunity.
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Lymph vessels lymphatic capillaries thoracic duct.
CH 20 Lymph Node Anatomy James F. Thompson, Ph.D..
Immune response (lymphoid) system. Immune response system includes: Diffuse lymphoid infiltration Lymphoid follicles (nodules) MALT, GALT, BALT Tonsils.
Immune system. General outline Lymphatic organs: thymus, lymph node, Lymphoid tissue Lymphocyte T ： Th 、 Ts 、 Tc B K NK Macrophage Cells spleen, tonsil.
Lesson # 9 The Lymphoid System-2 Chapter 22 Objectives: 1- To list the major lymph organs and the functions of each.
The Lymphatic System Chapter 20. Figure 20.1 The Lymphatic System Lymphatic System - Series of vessels, tissues and organs performing 2 major functions:
Hematolymphatic system(HLS) Anatomy Lab 2 DONE BY:Atiqa Dahalan ATYAF GROUP (2007) أطياف بتضلها أطياف.
Anne and Tresha Thursday, December 2, Central = Primary lymphoid tissue Site of maturation of the cells of the immune system Thymus –encapsulated.
ANATOMY OF LYMPHATIC SYSTEM Mario Makarević 2nd year 2013/2014 Mentor: A. Žmegač Horvat.
بسم الله الرحمن الرحيم. LYMPHOID TISSUE Objectives: By the end of the lecture, the student should describe the microscopic structure of the following.
Dr. ANAND SRINIVASAN. Made of tissues and organs made of lymphocytes. Concerned with immunity Made of : Immunoglobins Lymphocytes Natural.
Functional Anatomy of Lymphatic System. Lymphatic System Core Functions protects body against foreign material assists in circulation of body fluids.
LYMPHATIC SYSTEM. LYMPH NODE A: Medulla B: Cortex C: Lymph nodules D: Germinal center D A B C.
A Few Additional Slides to Help Your Study for BIOL 233 Lecture Exam #1 Please note that there are notes associated with these slides. They are embedded.
Chapter 20: Lymphatic System. Lymphatic System: Overview Lymphatic vessels Lymphoid tissues and organs Returns interstitial fluid and leaked plasma proteins.
بسم الله الرحمن الرحيم. Cells of the immune system -monocytes/macrophages -granulocytes/polymorphonuclear cells - (PMN) -mast cells -interdigitating.
Lymphatic System. Components Lymph : clear, colorless fluid ( there is not red blood cell) The fluid within the lymph capillaries and vessels is known.
The Lymphatic System 1. Consists of: 1.Lymph 2.Lymphatic vessels 3.Structures and organs containing lymphatic tissue 4.Red bone marrow Lymphatic System.
1 Lymphatic System - The lymphatic system is vital to the defense mechanism against infectious agents. - The cells which deal with these agents arose,
LYMPHOID TISSUE PART 1 LYMPH NODES AND GUT-ASSOCIATED Dr. Larry Johnson Texas A&M University.
Organization (levels) of immunocytes Diffuse cells Follicle organ Patch.
Organization of the lymphoid organs and tissues. DC mackrophage MYELOID PRECURSOR BONE MARROW HSC HEMATOPOIETIC STEM CELL mast DC monocyte neutrophil.
Introduction The lymphatic system This system is complimentary to the circulatory system.
Histology for Pathology Lymphoid Organs Theresa Kristopaitis, MD Associate Professor Director of Mechanisms of Human Disease Kelli A. Hutchens, MD, FCAP.
Yixing Xu Wednesday, November 30, Central = Primary lymphoid tissue Site of maturation of the cells of the immune system Bone marrow –B cells, monocytes,
© 2012 Pearson Education, Inc. Structures of Body Defenses Organization of the Lymphatic System 1. Lymph A fluid similar to plasma but does not have plasma.
16-1 Chapter 16 The Lymphatic and Immune System Resistance is the ability to ward off disease –lack of resistance is termed susceptibility Nonspecific.
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The Immune System It is a specialized form of connective tissue that consists of groups of cells, tissues and organs distributed throughout the body.Their.
Biology 2122 Chapter 20. Functions of the Lymphatic System 1. Drain Excess ‘interstitial’ fluid ◦ 2-3 L of fluid lost from the blood stream/day 2. Transport.
Thymus & Spleen Are you getting immune to exam blocks yet?? Sarah Murray November 30, 2005.
Lymphatic System and Non-Specific Defense The Lymphatic System Anatomy of the Lymphatic System Lymphatic Vessels and Flow Lymph Nodes Other Lymphoid.
LYMPHOID TISSUE This resource is licensed under the Creative Commons Attribution Non-Commercial & No Derivative Works LicenseCreative Commons Attribution.
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