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Histo - LEC > Hemopoiesiz > Flashcards

Hemopoiesiz Flashcards

(58 cards)

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1
Q

It is the process of producing the formed elements

A

Hemopoiesis

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2
Q

What comprises the hemopoiesis

A 
erythropoiesis
thrombopoiesis
granulopoiesis
monopoiesis
lymphopoiesis
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3
Q

Blood cell formation is the function of what

A

Mesoderm of the yolk sac

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4
Q

Where does lymphopoiesis occur

A

bone marrow

lymphoid tissues

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5
Q

What are the kinds of hemopoietic tissue

A

lymphoid and myeloid tissue

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6
Q

Where is myeloid tissue produced in newborns

A

red bone marrow

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7
Q

What is replaced by red bone marrow when bones increase in size

A

adipose and yellow marrow

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8
Q

It is made up of reticular fibers and reticular cells. Supporting framework of connective tissue

A

Stroma

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9
Q

Functional elements of a tissue or organ

A

Parenchyma

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10
Q

They are responsible for removing foreign particulate material and worn out RBC from the blood and marrow cavities

A

Persinusoidal macrophages

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11
Q

What kind of stem cell is zygote

A

Totipotent stem cell

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12
Q

These are cells that arise during the first few days of embryonic development

A

Blastomeres

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13
Q

Development of spherical structure

A

morula

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14
Q

Fluid-filled sphere in the fourth intrauterine life. True totipotent stem cells do not exist anymore.

A

Blastocyst

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15
Q

It is a form of blastocyst that forms the enclosing wall or

A

Trophoblast

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16
Q

The trophoblast of thr blastocyst gives rise to

A

Placenta and fetal membranes

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17
Q

This type of blastocyst forms a cluster of cells

A

Inner cell mass

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18
Q

The inner cell mass or embyonic stem cells give rise to

A

Fetus

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19
Q

They are versatile cells that can transform into numerous cell types very fast

A

Multipotent stem cells

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20
Q

What does the mesenchymal cells produce

A

Bone, cartilage, muscle and certsin connective tissue

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21
Q

What does neuronal stem cells produce

A

Neurons

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22
Q

What does glial stem cells produce

A

Glial cells

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23
Q

What does hematopoietic stem cell produce

A

Formed elements

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24
Q

Where does hemopoietic stem cells appear

25
When a hematopoietic stem cell differentiates, it can give rise to what stem cells
Myeloid stem cell, B stem cell, T stem cell, and DC stem cell
26
Wheb a late progenitor cell differentiates, it gives rise to
Precursor cell
27
What are the stages of differentiation of proerythroblast
Basophilic erythroblast, polychromatophilic erythroblast, normoblas, and reticulocyte
28
In thr erythroif lineage what are the stages capable of mitosis
Proerythroblasts and basophili erythroblasts
29
This stage does not contain hemoglobin
Proerythroblast
30
This stage synthesizes hemoglobin
Basophilic erythroblast
31
This stage contain "checkerboard" chromatin but no nucleus
Polymatophilic erythroblast
32
This stage contains a considerable amount of hemoglobin
Normoblast
33
This stage prematurely enters the blood
Reticulocyte
34
What are the stages of granulopoiesis
Promyelocyte, myelocyte, metamyelocyte
35
This stage of granulopoiesis the nucleus is seen to be oval or round and it does not contain granules
Myeloblast
36
This stage of granulopoiesis contains azuropilic granules (primary granules)
Promyelocyte
37
Thid stage of granulopoiesis the promyelocyte acquire specific granules (secondary granules)
Neutrophilic myelocyte
38
Nucleus is often U or S shaped or elongated and slightly curved
Stab cell or band form
39
This has a presence of acidophilic granules and much larger than those in a neutrophilic myelocyte. No band formed
Eosinophilic myelocyte
40
Their nucleus stain less intensely and finer chromatin granules. No band.
Basophil myelocyte and meta myelocyte
41
Where did platelets come from
Megakaryocyte
42
What are the stages of thrombopoiesis
Development of megakaryocyte, process of forming platelets from a megakaryocyte
43
This stage of thrombopoiesis it has a large, slightly indented, ovoid nucleus that contain loose chromatin material and multiple nucleoli
Megakaryopoiesis
44
It is a series of incomplete mitosis
Endomitosis
45
Intermediage stage between megakaryoblast and adult megakaryocyte
Promegakaryocyte
46
Process where cell forms long cytoplasm
Pseudopodia
47
What are the stages of monopoiesis
Monoblast, promonocyte
48
Thiis stage in monopoiesis begins to indent and the cytoplasm starts to manifest azurophilic granules
Monoblast
49
Thid stage of monopoiesis is pler but still basophilic
Promonocyte
50
What are the classification of lymphoid organs
Central lymphoid organs and peripheral lymphoid organs
51
Composition of central lymphoid organ
Thymus and bone marrow
52
Composition of peripheral lympois tissues and organs
Lymph nodes, speen and MALT
53
What are the stages of t-stem cells
T-lymphobasts, t-prolymphocytes, t-cells
54
What are the stages of B-stem cells
Pro-B cell and Pre-B cell, B-lymphoblasts, B-prolymphocytes, B-cells
55
This stage of lymphopoiesis does not contain azurophilic granules and its nucleus is large and spherical
Lymphoblast
56
This stage of lymphopoiesis is smaller and nucleus shows condensed chromatin and contains azurophilic granules
Prolymphocyte
57
It is any substance perceived by the cells of the lymphoid system as foreign to the body
Antigen
58
These cells recirculate more often than B-cells
T-cells

Histo - LEC (8 decks)

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