Leukocytes Flashcards
What are common things about all WBCs?
- all white
- all nucleated
- common function:defense
- all made in bone marrow
How many times a day are Neutrophils being replaced?
2.5X day
What does the number of WBCs in the peripheral blood circulation reflect?
conditions in the tissue and bone marrow
What is the normal WBC range for canine?
6,000-7,000/microliter
What is the normal WBC range for feline?
5,500-19,500/microliter
What is important in defining disease states?
- evaluation of WBC numbers
- morphology
What are 3 ways to classify WBCs?
- type of defense function
- shape of nucleus
- presence or absence of staining granules
What are the 2 types of defense functions?
- phagocytosis
- immunity
What WBCs are responsible for phagocytosis?
- neutrophil
- monocyte/macrophage
- eosinophil
- basophil
What WBC is responsible for immunity?
lymphocytes
What 2 types of Lymphocytes are responsible for immunity?
- B-Cell
- TCell
What are the functions of a B-Cell?
- provide immunity
- humoral immunity
- plasma
What are the functions of a T-Cell?
- cytokines
- cell mediated immunity
- tissues
What are the shapes of WBC nuclei?
- polymorphic
- mononuclear
- pleomorphic
What are the characteristics of a Polymorphic nucleus?
- multi lobed
- segmented
What WBCs have a polymorphic nucleus?
- neutrophil
- basophil
- eosinophil
What are characteristics of a mononucleated WBC?
oval or round
What WBC has a mononuclear nucleus?
lymphocyte
What are characteristics of a Pleomorphic nucleated WBC?
- kidney shaped
- horseshoe shaped
What WBC has a pleomorphic nucleus?
monocyte
Which WBCs are Agranulocytes?
- lymphocytes
- monocytes
Which WBCs are Granulocytes?
- neutrophil
- basophil
- eosinophil
What color do Eosinophils stain?
red
What color do Basophil’s stain?
blue