Lymphatics and Immunity Flashcards
True or False:
Lymph means “clear water”
True
These are specialized lymph capillaries present in the intestinal mucosa.
Lacteals
These are round or bean shaped bodies that are distributed along the various vessels and connected in a series.
Lymph nodes
This arises from the cisterna chyli and drains the rest of the body.
Right lymphatic duct
Lymphatic organs that contain lymphatic tissues.
Lymphatic tissue
These are Isolated clusters of lymphoid tissue.
Peyer’s patches
Form a ring of lymphatic tissue around the pharynx.
Tonsils
What is the bilobed organ that secretes thymosin and thymopoietin?
Thymus
This pathway depends on the binding of antibodies to invading organisms.
Classical pathway
What is the ingestion and destruction of materials?
Phagocytosis
These release enzymes that reduce inflammation.
Eosinophils
What are the large phagocytic cells called?
Macrophages
These stimulate neighboring cells to produce proteins to prevent the replication of viruses.
Interferons
What causes vasodilation and increase vascular permeability.
Chemical mediators
These act to immobilize, neutralize, or destroy foreign substances.
Adaptive immunity
