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62 Cards in this Set
- Front
- Back
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Primary lymphatic organs |
Bone marrow & thymus |
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Secondary lymphatic organs |
Spleen, tonsils, appendix MALT payers patches |
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Helps in absorption of fat Found in GI tract |
Lacteals |
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Milky lymph in lacteals |
Chyle |
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No lymphatic capillaries in |
CNS, bone marrow, cartilage, epidermis, cornea |
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Connection of lymphatic system |
Lymphatic capillaries Lymphatic vessels Lymph node Lymphatic trunk Lymphatic duct |
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2 lymphatic ducts |
Thoracic duct & Rt. lymphatic duct |
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Valves of lymphatic vessels |
Semilunar |
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Tissue of lymphatic vessels |
Reticular |
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Carry lymph |
Lymphatic vessels |
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Filters lymph |
Lymph nodes |
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Tissue of lymph node |
Reticular CT |
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Hilum |
Where lymphatic vessels enters lymph node |
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Afferent lymph vessel |
Into lymph node |
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Efferent lymph vessel |
Out of lymph node |
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Parenchyma |
Substance of lymph node |
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Sensa |
Divides lymph node into compartments |
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Outer and inner lymph node |
Outer cortex Inner medulla *Capsule made up of fibrous CT |
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Cells in lymph node |
Lymphocytes & monocytes |
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Thoracic duct drains |
R & L lower limbs Upper L limb L side of head, neck, thorax *Empties into L subclavian |
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R lymphatic duct drains |
Drains R head, neck, thorax Upper R limb
*Empties into R subclavian |
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Subclavian empties into |
Superior vena cava |
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Bone marrow |
Red & yellow, produces blood cells |
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Thymus |
Larger in children, regress in adults Helps T cells to mature & differentiate Located in lower neck/upper thoracic |
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Aggregates of lymph tissue |
Peyers patches & MALT |
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Location of MALT |
Digestive tract, respiratory, urinary, & reproductive *not capsulated |
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Pharyngeal tonsils |
Sits on pharynx Epithelium pseudo stratified columnar *AKA adenoids |
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Palatine tonsils |
Located on either side of pharynx, non keratinized, stratified squamous epithelium |
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Lingual tonsil |
Located at the base of the tongue *also simple squamous epithelium |
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Spleen |
Highly vascular Reticular CT Site of RBC destruction Largest lymphatic organ Closed circulation Capable of filtering |
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Structure of spleen |
Red pulp & white pulp |
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Red pulp |
Reticular CT close to vein |
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White pulp |
Reticular CT close to artery |
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Chyle |
Lymph in intestinal lymphatics Milky/white |
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Lymphatic tissue aggregates within the ileum is called |
Peyer patches |
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Lymph |
Fluid transported inside lymphatic vessels |
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Lymphatic capillaries |
Smallest lymphatic vessels Closed-ended Absorb interstitial fluid No basement membrane |
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No lymphatic capillaries in: |
Avascular tissues (Epithelia) |
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Where are lymph nodes found |
Along lymphatic vessels |
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Function of primary lymphatic structures |
Formation and maturation of lymphocytes |
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Function of secondary lymphatic structures |
-House lymphocytes and other immune cells -Site of immune response initiation |
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Site of T-lymphocyte maturation |
Thymus |
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Immature lymphocytes in which part of thymus |
Cortex |
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Function of primary lymphatic structures |
Formation and maturation of lymphocytes |
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Function of secondary lymphatic structures |
-House lymphocytes and other immune cells -Site of immune response initiation |
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Site of T-lymphocyte maturation |
Thymus |
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Immature lymphocytes in which part of thymus |
Cortex |
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Mature lymphocytes in which part of thymus |
Medulla |
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Thymus is replaced by what in adults |
Adipose tissue |
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Cortical sinus |
Tiny open channels in cortex of lymph node |
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Cortical sinus |
Tiny open channels in cortex of lymph node |
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Medullary sinus |
Tiny open channels in medulla of lymph node |
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Cortical sinus |
Tiny open channels in cortex of lymph node |
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Medullary sinus |
Tiny open channels in medulla of lymph node |
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Sinuses of lymph nodes are lined with |
Macrophages |
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Largest lymphatic organ |
Spleen |
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Where blood vessels enter |
Hilum |
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White pulp |
Clusters of T & B lymphocytes & macrophages Contains central artery |
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White pulp |
Clusters of T & B lymphocytes & macrophages Contains central artery Monitors blood for foreign materials |
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Red pulp contains |
Erythrocytes, platelets, macrophages, & B lymphocytes *splenic cord |
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Lymphatic nodules |
Small clusters of lymphatic cells Not completely surrounded by CT capsule Found in every organ |
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MALT stands for |
Mucosa-associated lymphatic tissue |
