Shared Flashcard Set

Details

Ch. 24
Lymphatic & Immune system
21
Anatomy
Undergraduate 2
11/13/2013

Additional Anatomy Flashcards

 


 

Cards

Term

 

 

 

Functions of Lymphatic systems

 

 

Definition

 

 

move excess tissue fluid back to veins; lipid transport; filter fluid bacteria/viruses

Term

 

 

 

Inerstitial fluid

Definition

 

 

 

fluid in capillaries that squeezed out by blood pressure

Term

 

 

 

 

edema

Definition

 

 

 

fluid is not removed and body tissue swells

Term

 

 

lacteals

Definition

 

 

 

specialized lymph vessels where the fat is absorbed because fat molecules are too large for capillaries

Term

 

 

 

structure of Lymphatic system

Definition

 

 

lymphatic capillaries are wider; larger lymphatic collecting vessels are similar to veins; larger lymphatic ducts empty into sublcavian veins

Term

 

 

 

2 major lymphatic ducts

Definition

 

 

thoracic and right lymphatic duct

Term

 

 

 

Thoracic Duct

 

Definition

 

 

largest lymphatic vessel w/ a length of 15-18 inches

Term

 

 

 

 

Right lymphatic duct

Definition

 

 

located near the right clavicle and returns lymph to the junction of the right sublcavian and right internal jugular vein

Term

 

 

 

Immune system

Definition

 

 

 

widespread system that attacks foreign invaders

Term

 

 

 

Non specific defense of Immune system

Definition

 

 

skin; acidity; fever; phagocytosis

Term

 

 

 

Specific defense

Definition

 

 

cells recognize and attack specific invaders; receptor proteins on surface of cell; antigens on invader; cells = lymphocytes; widespread but concentrated on lymphoid organs

Term

 

 

 

B cells

Definition

 

 

fight bacteria/viruses

Term

 

 

 

 

T cells

Definition

 

 

 

fight infected cells, cancer cells

Term

 

 

 

vaccines

Definition

 

 

memory cells after invader is eliminated; formed by lymphocytes

Term

 

 

 

Organs of the Immune system

Definition

 

 

lymphoid tissue; lymph nodes; appendix & peyer's patches; tonsils; spleen; thymus

Term

 

 

 

Lymphoid tissue

Definition

 

 

 

reticular connective tissue w/ clusters of lymphocytes

Term

 

 

Lymph nodes

Definition

 

 

 

lymph (fluid) drains through node; immune system cells destroy pathogens

Term

 

 

 

 

Appendix & Peyer's patches

 

Definition

 

 

 

 

areas of lymphoid tissue in intestine

Term

 

 

Tonsils

Definition

 

 

 

 

 

4 pairs around entrance to pharynx: pharyngeal, lingual, palatine, tubal

Term

 

 

 

 

Spleen

Definition

 

 

 

reticular tissue; posterior left of stomach; filters blood/destroys RBC; contains lymphoid tissue

Term

 

 

 

Thymus

Definition

 

 

located above the heart; degenerates in adults; site of lymphocyte development

Supporting users have an ad free experience!