1. Chapter 6
Sarah Rahn

2. Lymphatic& Immune System
 The Lymphatic system helps the body fight infections.
 Included in the lymphatic system are the spleen,
lymph nodes, thymus, lymphatic vessels, and tonsils
 These organs all perform several diverse functions in
the body
 The Immune system is the body’s ability to defend
itself against pathogens, such as bacteria, and viruses.
 I will be discussing the lymph vessels, spleen
(sarcoidosis), lymph nodes (Hodgkin’s disease), and
nosocomial infection

3. Lymph Vessels
 Form an extensive network of
vessels throughout the entire
body
 Serves as a one way pipes
conducting lymph from the
tissues toward the thoracic
cavity
 Elephantiasis is a disease of
the lymphatic system where
inflammation, obstruction
and destruction of the lymph
vessels resulting in enlarged
tissues due to edema
Example of Elephantiasis

4. Spleen
 Your spleen is an organ above your stomach and under
your ribs on your left side, is made up for lymphatic
tissue that is highly infiltrated with blood vessels.
 Your spleen helps control the amount of blood in your
body, and destroys old and damaged cells.
 It is not a vital organ, but without it a person is more
susceptible to a bloodstream infection

5. Spleen  Certain diseases might cause
your spleen to swell
 Sarcoidosis is a disease of
unknown causes that forms
fibrous lesions commonly
appearing in lymph nodes,
liver, skin, spleen, eyes, and
small bones of the hands and
feet.
 In Sarcoidosis, tiny clumps of
abnormal tissue form in
certain organs of the body.
These abnormal tissues are
clusters of immune cells.
 To the left is an image of
Sarcoidosis of the spleen

6. Lymph Nodes
 Small organs composed of lymphatic tissue located
along the route of the lymphatic vessels
 Also referred to as lymph glands
 House lymphocytes and antibodies that work to
remove pathogens and cell debris as lymph passes
through them on its way back to the thoracic cavity
 Also serves to trap and destroy cells from cancerous
tumors
 Although found throughout the body they are
concentrated in the armpits, neck, groin, and chest

7. Lymph Nodes
 Although found
throughout the body
they are
concentrated in the
armpits, neck, groin,
and chest

8. Lymph Nodes
 Hodgkin’s Lymphoma is
cancer of the lymphatic
cells found in
concentration in the
lymph nodes
 Lymphadenitis is the
inflammation of lymph
nodes also known as
swollen glands

9. Nosocomial Infection
 Is an infection acquired due to hospital exposure.
 Can be spread several ways; cross infection, reinfection,
and self-inoculation.
 Cross infection occurs when a person in a hospital acquires a
pathogen from another person in the hospital
 Reinfection is when a patient become infected with the same
pathogen that originally brought them to the hospital
 Self-inoculation occurs when a person becomes infected in a
different part of the body by a pathogen from another part of
their own body

10. Prevention of Nosocomial
 It is important to follow these guidelines/ standard
precautions to prevent the spread of Nosocomial:
 Wash hand before putting on and after removing gloves
 Wear gloves when in contact with any body fluid
 Wear nonpermeable gown or apron during procedures
 Wear a mask and protective equipment or a face shield
when patients are coughing
 Wear a facemask and eyewear that seal close to face
during procedures
 Removal for proper cleaning of any shared equipment
that has come into contact with body fluid