Cellular Components Of The Blood Flashcards

1
Q

What are thrombocytes

A

Platelets in exotic species that retain their nucleus

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2
Q

What are white blood cells called

A

Leucocytes

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3
Q

What are the two divisions of WBCS

A

Granulocytes
Mononuclear

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4
Q

What are the three types of granulocytes

A

Neutrophils
Eusinophils
Basophils

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5
Q

Why are granulocytes called granulocytes

A

They have large numbers of cytoplasmic granules

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6
Q

What colour are the cytoplasmic granules in neutrophils

A

Neutral (no colour)

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7
Q

What colour are the cytoplasmic granules in eosinophils

A

Pink

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8
Q

What colour are the cytoplasmic granules in basophils

A

Dark blue

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9
Q

What are the two types of mononuclear WBCd

A

Monocytes
Lymphocytes

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10
Q

Where are WBCs peoducted during gestation

A

Yolk sac

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11
Q

Where are WBCs produced

A

Bone marrow
Liver/ spleen (if bone marrow is damaged)

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12
Q

What is the half life of neutrophils

A

6-12hes

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13
Q

What is the half life of platelets

A

6-8 days

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14
Q

What is the half life of RBCs

A

110-120 days

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15
Q

What is the stem cell that produces all blood cells called

A

Hemocytoblast

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16
Q

What does a hemocytoblast divide into

A

Common myeloid progenitor
Common lymphoid progenitor

17
Q

What does the common lymphoid progenitor produce

A

Lymphocytes

18
Q

What does the common myeloid progenitor cell divide into

A

Thrombocytes
Platelets
Erythrocytesnast cell
Basophils
Neutrophils
Eosinophils
Monocyte

19
Q

What is the marrow transit time for granulocytes

20
Q

What is the marrow transit time for erythrocytes

21
Q

Where is b lymphocytes produced in birds

A

Bursa of fabricius

22
Q

What is endomitosis

A

Nuclear duplication without cell divisor

23
Q

What is the process of thromvopoiesis

A

Endomitosis happens and cell volume increases with each nuclear doviok
Megakaryocyte then forms, and pinches of it can come off from cytoplasm to form platelets

24
Q

What are the two neutrophil activities

A

Chemotaxis
Phagocytosis and killing

25
How does oxygen independent killing of neutrophils work
Occurs at poor blood flow/ abscess Uses lysozymes
26
How does oxygen dependent killing of neutrons;hills work
Generates reactive oxygen species that damages bacterial membrane to kill them
27
How re neutrophils involved in chemotaxis
Neutrophils have selection receptors that interact with selectins on endothelial cells so they express ICAM- 1 and VCAM- 1 Slows down the neutrophils passage So the neutrophils can escape blood vessel and get to site of inflammation
28
What species have heterophils
Rabbits Reptiles Avian
29
What are heterophils
Functionally equivalent to neutrophils Granules stain red
30
What are the 6 stages of neutrophil development names
Myeloblast Promuelocyte Myelocyte Metamyelocyte Band neutrophil Segmented neutrophil
31
When are eosinohils most common
Allergies Parasites Fibrosis
32
What is the normal range of basophils in blood
0-300
33
When do you get most basophils
Allergy
34
Where are mast cells found
Tissues
35
Where are monocytes found
In blood not tissue