Podcast
Questions and Answers
What is the main function of lymph nodes in the lymphatic system?
What is the main function of lymph nodes in the lymphatic system?
- To synthesize type III collagen
- To produce lymphatic vessels
- To phagocytose foreign substances
- To filter lymph and facilitate the response of lymphocytes to antigens (correct)
What is the composition of the stroma in a lymph node?
What is the composition of the stroma in a lymph node?
- Only reticular fibres and reticular cells
- Reticular fibres, reticular cells, capsule, and trabeculae (correct)
- Capsule and trabeculae
- Connective tissue and parenchyma
What structures separate the parenchyma from the capsule and trabeculae in a lymph node?
What structures separate the parenchyma from the capsule and trabeculae in a lymph node?
- Lymphatic sinuses (correct)
- Type III collagen
- Medullary macrophages
- Reticular fibres
What is the shape of lymph nodes?
What is the shape of lymph nodes?
What type of vessels enter the lymph node through the capsule at various intervals on its convex surface?
What type of vessels enter the lymph node through the capsule at various intervals on its convex surface?
What do the afferent lymphatic vessels flow into upon entering the lymph node?
What do the afferent lymphatic vessels flow into upon entering the lymph node?
What prevents the lymph from going back in the afferent and efferent lymphatic vessels?
What prevents the lymph from going back in the afferent and efferent lymphatic vessels?
What is the supportive framework of the lymphatic sinuses made up of?
What is the supportive framework of the lymphatic sinuses made up of?
Where are high endothelial venules (HEV) located within the lymph node?
Where are high endothelial venules (HEV) located within the lymph node?
What do high endothelial venules (HEV) lack?
What do high endothelial venules (HEV) lack?
Which vessels are the port of entry into the lymph node for lymphocytes carried by the blood?
Which vessels are the port of entry into the lymph node for lymphocytes carried by the blood?
What is the structure of the pig lymph nodes like compared to other species?
What is the structure of the pig lymph nodes like compared to other species?
What kind of cells are observed in the lumen of the medullary sinuses?
What kind of cells are observed in the lumen of the medullary sinuses?
What is located in the outer region of the cortex of a lymph node?
What is located in the outer region of the cortex of a lymph node?
What elements facilitate the interaction between antigens with macrophages and dendritic cells?
What elements facilitate the interaction between antigens with macrophages and dendritic cells?
What do the lymphatic sinuses allow filtering into the parenchyma?
What do the lymphatic sinuses allow filtering into the parenchyma?
What is the specific function of the lymph nodes' microenvironment?
What is the specific function of the lymph nodes' microenvironment?
What is the composition of the lymph node stroma primarily made up of?
What is the composition of the lymph node stroma primarily made up of?
What separates the parenchyma from the capsule and trabeculae in a lymph node?
What separates the parenchyma from the capsule and trabeculae in a lymph node?
What is the shape of the lymph nodes?
What is the shape of the lymph nodes?
What is the shape of the lymphatic sinuses in the medulla of a lymph node?
What is the shape of the lymphatic sinuses in the medulla of a lymph node?
Where do the medullary sinuses drain the efferent lymphatic vessels in pig lymph nodes?
Where do the medullary sinuses drain the efferent lymphatic vessels in pig lymph nodes?
What is the composition of the cords in the medulla of a lymph node?
What is the composition of the cords in the medulla of a lymph node?
What is the structure of the medullary tissue distribution in pig lymph nodes?
What is the structure of the medullary tissue distribution in pig lymph nodes?
Where are high endothelial venules (HEV) located within the lymph node?
Where are high endothelial venules (HEV) located within the lymph node?
What is the main function of high endothelial venules (HEV) in a lymph node?
What is the main function of high endothelial venules (HEV) in a lymph node?
What prevents backflow of lymph in both afferent and efferent lymphatic vessels?
What prevents backflow of lymph in both afferent and efferent lymphatic vessels?
What do dendritic cells and macrophages located in the wall of medullary sinuses facilitate?
What do dendritic cells and macrophages located in the wall of medullary sinuses facilitate?
What is located in the outer region of the cortex of a lymph node?
What is located in the outer region of the cortex of a lymph node?
What type of vessels carry lymphocytes into the parenchyma of a lymph node from primary lymphoid organs or blood recirculation?
What type of vessels carry lymphocytes into the parenchyma of a lymph node from primary lymphoid organs or blood recirculation?
What is the supportive framework of the lymphatic sinuses made up of?
What is the supportive framework of the lymphatic sinuses made up of?
