Exam 3 - Written Material

What are the three granulocytes?

neutrophils, eosinophils, and basophils

What are the three kinds of leukocytes?

granulocytes, granulocytes, and platelets

Where to WBCs originate from?

mesodermal origin

How big is a RBC?

10 microns

T/F RBC are anucleate, biconcave discs that are made of hemoglobin and their production is simulated by erythropoietin

TRUE

What are discrete cells with a lobed nucleus, that can undergo chemotazis, and are the first-responders of the Immune response?

neutrophils

What are red blood cells?

Erythrocytes

What are the different agranulocytes?

Lymphocytes and monocytes

What kind of erythrocytes do most mammals have?

Anucleate, biconcave disks

T/F Erythrocytes have NO organelles

TRUE

What does some of the stages of the production of erythrocyte dependent on?

Erythropoietin and iron

What is another name for polymorphonuclear leukocytes?

Neutrophils

What are the first responders of IS (hint: they make pus)?

Neutrophil

What kind of nucleus do neutrophils have?

Lobed

What type of motility allows neutrophils to change size and shape?

Amoeboid

What are the leukocytes that can perform chemotaxis?

Neutrophils and eosinophiles

What are discrete cells with a bi-lobed nucleus, that can undergo chemotaxis. and is associated with parasites and allergic reactions?

eosinophils

What cells are extremely rare, have a lobed nucleus, and we dont know what they do?

basophils

What are the two types of lymphocytes?

thymus and bursal

What are discrete cells with a large bean-shaped nucleus, that act as professional phagocytes and are associated with granuloma?

macrophages

What are discrete cells that are anuclear and derived from megakaryocytes?

platelets

T/F The lymphatic system is closely aligned with cardiocascular/blood

TRUE

Where do all lymphatic vessels go?

thoracic duct

What is the afferent entry point of the lymph node?

capsule

What is the efferent exit point of the lymph node?

hilus

What part of the lymph node housing the cords and sinuses?

medulla

What are the adjacent sinuses in the lymph node?

trabeculate

What are reticular fibers made of?

collagen III

What are the ag-presneters of the lymphnodes?

DC

What are the phagocytes and ag-presenters of the lymphnode

macrophages

What part of the lymph node responable for fluid resorption and circulating/endering lymoh nodes?

high endothelial venules