Exam #4: Lymphatic System Flashcards
What is classifies as both an endocrine and lymphatic organ?
Thymus
What are the 3 functions of the lymphatic system?
- Removal of impurities
- Lymphocyte processing
- Manufacture of red blood cells in the fetus
What are specialized lymphatic capillaries that carry chyle?
Lacteals
What is milky substance consisting of lymph and fat from the intestine?
Chyle
Do lymphatic vessels, like veins of the circulatory system have valves?
Yes
What is a structure contained within a lymphatic vessel that prevents back flow of a lymph?
Valve
What is a pinch like structure of the thoracic duct?
Cisterna Chyli
Where does the thoracic duct pass through?
Left side of the thorax
What is a group of lymph cells located beneath the epithelial layer of mucous membrane?
Lymph nodules
How many Afferent vessels? And what do they do?
4 Vessels that carry towards the lymph nodes
How many efferent vessels? And what do they do?
1 efferent and they carry lymph fluid away
What is I located one on each side of the oropharynx also on either side of the soft palate?
Palatine tonsils
What is another word for pharyngeal?
Adenoids
What are abnormal accumulation of fluid in interstitial space?
Lymphedema
What is any disease that usually involves the lymph glands?
Lymphadenopathy
What is made up of lymphoid tissue and located in the mediastinum?
Thymus
What hormone is the thymus dependent on for physiologic activity?
Thymosin
Where do sensitized T-Cells function?
Cell mediated immunity
What are the 3 lines of first defense?
- Skin
- Mucous membrane
- Secretions
What is produced in response to infections?
Interferons
What are the 2 primary phagocytosis cells in the lymphatic system?
- Neutrophils
2. Macrophages
Where are kupffer cells located?
Liver
What is one of the systemic inflammatory response?
A temperature or fever
What is frequently caused by viral or bacterial infection?
Systemic response
What is a substance produced by virus infected cells that prevents infections of other cells?
Interferon
What immunity happens after a person has had a disease?
Naturally active
What is any foreign substance that enters the body and induces an immune response?
Antigens
What is a natural killer, destroys foreign cells directly?
Cytoxic T Cells
What are also known as interleukins and stimulate other lymphocytes and macrophages to assist in destruction of foreign cells?
Helper T cells
What suppresses the immune response for the purpose of regulation?
Suppressor T cell
What remembers an antigen and implements a rapid response if the antigen is met again?
Memory T Cells
What functions in humoral immunity?
B Cells
What is a severe allergic reaction that can be life threatening?
Anaphylaxis
What are the 3 characteristics of AIDS?
- Vulnerability to opportunistic infections
- Major decrease on T-lymphocytes
- Kaposi’s Sarcoma
What is the true name for appendix, and lymphatic tissue that protrudes from the lower portion of the secum?
Vermiform Appendix
What are the components of pus?
- -WBCs
- devitalized tissue cells
- -microorganisms
