Lymphatic Flashcards
(41 cards)
Lymph node is covered by :
Thick connective tissue Capsule
Name the irregular connective tissue of lymph node & spleen :
Septa or Tubeculae
Name the connective tissue of lymph node & spleen that is formed of meshwork of Reticular fibers & cells :
Stroma
Name the connective tissue cells of lymph nodes :
-T&B Lymphocytes
-Plasma cells
-Macrophages
-Fibroblasts
-Reticular cells
B-lymphocytes are found mainly in :
Lymphatic nodules in Cortex
T-lymphocytes are found mainly in :
Deeper Cortex & Medulla
Lymph node medulla is not divided but it contains Lymphatic Cords & Sinuses embedded in reticular meshwork ;
Medullary lymphatic cords consist :
T-lymphocytes & Plasma cells
Lymph node cortex is divided by Septa which contains Lymphatic Nodules & Sinuses ;
Lymphatic nodule consist of an outer dark part of Dense B-Lymphocytes & an inner pale part of Immature B-Lymphocytes called :
Germinal center
Lymph nodes has Afferent lymphatic vessels that enter :
Cortex
Lymph nodes Produces & Recirculates :
Lymphocytes
Lymph nodes Filter of :
Lymph by removing Antigens & Cell debris
Lymph nodes produces Antibodies (immunoglobulins) by :
Plasma cells (activated B-lymphocytes)
Lymph node is site of :
Phagocytosis by Macrophage & Reticular cells
Spleen is the Largest lymphatic organs, consists of Red & White pulp, & Acts as :
Blood reservoir
White pulp of spleen is of pale white islands in red background (red pulp), it appears red as it contains many :
Erythrocytes
Spleen is covered & surrounded by :
Capsule of white collagenous connective tissue & few smooth muscle fibers
Name the connective tissue cells of spleen :
-Reticular cell
-Macrophages
-Plasma cells
-Lymphocytes
-Blood elements
B-Lymphocytes are present in Lymphatic nodules (white pulp) ; but T-Lymphocytes surround :
Central arteries
The vascular major component of spleen called :
Red pulp
Central arteries of white pulp run in the periphery of the :
Nodules
Lymphatic nodules forming white pulp called :
Splenic Malpighian Corpuscles
Central arteries found in :
Splenic Malpighian Corpuscles in white pulp
Red pulp consists of a loose reticular tissue infiltrated with :
Blood cells & Lymphoid cells
Red pulp contains Splenic cords & Sinusoids with :
Macrophage