Chapter 27 Lymphatic Flashcards
Inguinal
Term for superficial lymph nodes located on the groin
Right lymphatic duct
Duct that drains lymph from the right side of the head and neck, the right upper extremity, and the right half of the upper trunk
Peyer patches
Lymphatic tissue located in portions of the small intestine
Tonsils
Lymphatic tissue located in the oral cavity and pharynx
Lymph nodes
Only structure along the lymphatic chain filtering lymph
Lymphokinesis
Movement of lymph through the body
Vermiform appendix
Lymphatic tissue attached to the cecum of the large intestine
Lymph
Fluid circulating through lymphatics
Thoracic duct
Duct that delivers collected lymph to the left subclavian vein
Spleen
Largest lymphatic organ and released stored lymphocytes when needed
Lymphatics
Collective term for all lymphatic capillaries, vessels, trunks, and ducts along the lymphatic chain
Thymus
Site of T-cell maturation
T-cells
Lymphocytes responsible for cell-mediated immunity and includes CD4+ and CD8+ cells
Non specific
Type of defense mechanism that includes barriers, cellular responses, and inflammation
Immunodefiency
Failure of immune responses to protect the body from pathogens, causing increased susceptibility to infections
Lymphocyte
Type of WBC that comprises approximately 25% of the total WBC count
Resistance
Body’s ability to counteract the effects of pathogens and foreign agents through defense mechanisms
Lacteal
Lymphatic capillary that absorbs dietary fats and fat soluble vitamins in the small intestine
Specific
Type of defense mechanism that provides immunity and involves lymphocytes
Lymph nodes, MALT, and spleen
Organs or structures populated by lymphocytes, but do not produce them
Bone marrow and thymus
Primary lymphatic organs that produce and mature lymphocytes
Immunity
The body’s ability to recognize and respond to pathogens and foreign agents
Inflammation
Protective response to tissue damage from a variety of causes and creates an environment that maximizes tissue repair
B cells
Lymphocytes responsible for antibody-mediated immunity because they produce antibodies