Lymphatic System

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Lymphatic System
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Functions

• They return excess tissue fluids to the
  bloodstreams.
• They also return leaked proteins to the blood.
• And they absorb fat from the intestine to the
  blood.
• Is basically considered the 2nd circulatory
  system.
• Contain white blood cells to defend against germs
  and infections.

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Lymphoid cells

• Lymphocytes- are the main warriors of the immune
  system and they arise in the red bone marrow.
• T cells and B cells protect against antigen.
• Activated T cells manage immune response some
  attack and destroy infected cells.
• B cells- protect the body by producing plasma
  cells which are daughter cells that secrete
  antibodies into the blood.
• Lymphoid macrophages also play a huge role in
  protection by phagocytizing foreign substance
  help activate T-cells.

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Lymphoid Tissues

• This is the most important component of the
  immune system 1) because it houses provides a
  proliferation site for lymphocytes and 2)
  furnishes an ideal surveillance vantage point for
  lymphocytes and macrophages.
• Lymphoid tissues re composed of loose connection
  tissue called reticular connective tissue called
  reticular connective tissue, which dominates all
  the lymphoid organs except thymus.

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Disorders

• Lymphedema
• Lymphadenitis
• Lymphangitis

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Lymphedema

• Most common lymphatic disorder is lymphedema
  which happen because of an accumulation of
  lymphatic fluids in the interstitional.
• This results in swelling in the arms, legs and
  other body parts.
• Its a very painful infection deep in the skin.
  If its not treated then it becomes fibrotic with
  loss of normal structure, function and motion.
• Treatments Range of motion excerise, Manual
  Lymph Drainage(MLD).

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Lymphadenitis

• Infection of the lymph node. Common complication
  of the bacterial infections.
• Causes occurs when glands become enlarged by
  inflammation , usually in response to bacteria,
  viruses, etc.
• Symptoms swollen, hard or tender lymph node. Red
  tender skin under Lymph node.
• Treatments antibiotics, pain killers to control
  pain, and surgery may be needed.

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Lymphangitis

• Is and infection of the lymph vessel.
• Symptoms red streaks from infected area to the
  armpit or groin, chills, head aches, muscle
  aches, loss of appetite, etc.
• Causes results from an acute streptococcal
  infection in the skin.
• Treatments antibiotics to treat any underlying
  infections, anti-inflammatory medications to
  reduce inflammation and swelling.

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Terminology

• Lymphadenopathy
• Lymph(o) lymph aden(o) gland
  pathy disorder.
• Lymphangitis
• Lymph(o) Lymph angi(o) Blood vessel
  itis inflammation
• Lymphoma
• Lymph(o) lymph oma tumor
• Lymphangiogram
• Lymph(o) Lymph angi(o) blood vessel gram
  record or picture