3/19- Exam 3 Flashcards
What are macrophages?
Found in spleen, liver, and bone marrow
Take up hemoglobin from old RBC that ruptured
Break it up into amino acids and iron
What is Biliverdin?
Chemically processed and converted into greenish pigment
Converted into bilirubin
What is bilirubin?
Orange yellow pigment
Bonds to albumin
Where does albumin take bilirubin and to make what?
Liver
Produces bile
What are Bile pigments?
Bilirubin is converted into this in intestines
Give poop brown color
When absorbed in blood and into kidney gives pee yellow color
What is jaundice?
If liver malfunctions bilirubin is built up
Stains skin and sclera to yellow color
How do you cure babies of jaundice?
Put them under blue UV light and the bilirubin converts to biliverdin
What is the Buffy coat or Buffy layer?
WBC and platelets
What are the 2 major kinds of leukocytes in the Buffy coat?
1) Granulocytes
2) Agranulocytes
What are Granulocytes?
Derived from myeloblasts
3 kinds
1) neutrophils
2) eosinophils
3) basophils
Stained absorbing granulos
What are the red and blue stains for blood smear called?
Red- Eosin stain
Blue- basic stain
What are Agranulocytes?
2 kinds
1) monocytes
2) leukocytes
Lack granulos
Color cannot be used for identification
What are neutrophils?
Most common WBC
Stain absorbing granulos
Nucleus has 2-5 lobes
Neutral to colors
Looks light violet in cytoplasm
What happens when neutrophils leave the blood?
Squeeze between cells
Move around
Phagocytosis of invading organisms
Release enzyme lysozyme
What enzyme do neutrophils release and what does it do?
Lysozyme
Destroys bacterial cells chemically