What is the size range of a megakaryoblast?
20-50 um in diameter.
What is the size range of a promegakaryocyte?
20-60 um in diameter.
1/167
p.36
Megakaryopoiesis

What is the size range of a megakaryoblast?

20-50 um in diameter.

p.37
Megakaryopoiesis

What is the size range of a promegakaryocyte?

20-60 um in diameter.

p.22
Monocyte Function

What may the cytoplasm of a promonocyte contain?

Fine dustlike azurophilic granules with a groundglass appearance.

p.15
Eosinophil and Basophil Characteristics

What is the size range of a mature eosinophil cell?

9-15 um in diameter.

p.41
Megakaryopoiesis

Are thrombocytes visible in a megakaryocyte?

No or Few.

p.25
Monocyte Function

What are the macrophages found in the liver called?

Kupffer cells.

p.9
Neutrophil Development

What is the characteristic of the cytoplasm in a band cell?

Moderate to abundant amount, giving a decreased NC ratio.

p.2
Neutrophil Development

How are neutrophils present in the peripheral blood?

In two forms: segmented or band shape.

p.40
Platelet Function

What is the color of the cytoplasm of platelets?

Light blue to purple.

p.12
Neutrophil Functions

What is the major function of neutrophils in the innate immune system?

Phagocytosis and destruction of foreign material and microorganisms.

p.22
Monocyte Function

What is the color of the cytoplasm of a promonocyte?

Blue-gray.

p.39
Megakaryopoiesis

What is the size range of a mature megakaryocyte?

40-120 um in diameter.

p.24
Monocyte Function

What do monocytes/macrophages recognize using Toll-like receptors?

Bacterial pathogens.

p.18
Monocyte Function

What is monopoiesis?

The process of monocyte production.

p.2
Neutrophil Development

Which form of neutrophils makes up the vast majority of circulating leukocytes?

Segmented neutrophils.

p.40
Platelet Function

What is the characteristic of the nucleus of platelets?

None.

p.6
Neutrophil Granules

Are the specific granules in myelocytes larger than those in neutrophils?

Yes, they are larger.

p.38
Megakaryopoiesis

How would you describe the cytoplasm of a granular megakaryocyte?

Pinkish blue in color, very fine and diffusely granular, and usually has an irregular peripheral border.

p.39
Megakaryopoiesis

What does the cytoplasm of a mature megakaryocyte contain?

Coarse clumps of granules aggregating into little bundles, which bud off from the periphery to become platelets.

p.38
Megakaryopoiesis

What is the characteristic of the nucleus of a granular megakaryocyte?

Small in comparison to cell size, multiple nuclei may be visible, and chromatin is coarser than the previous stage.

p.17
Eosinophil and Basophil Characteristics

What are the smaller granules found in eosinophils?

Arylsulfatase, Peroxidase, Acid phosphatase, Histamine, Heparin, Eosinophulic chemotactic factor-A, Peroxidase.

p.36
Megakaryopoiesis

Describe the nucleus of a megakaryoblast.

It is round, oval, or may be kidney-shaped, with a fine chromatin pattern and multiple nucleoli that generally stain blue.

p.39
Megakaryopoiesis

What is the NC ratio in a mature megakaryocyte?

Less than 1:1.

p.37
Megakaryopoiesis

Where do granules begin to form in a promegakaryocyte?

In the Golgi region.

p.40
Megakaryopoiesis

What is the size range of platelets?

1-4 um in diameter.

p.19
Monocyte Function

What is the average survival time of monocytes in tissues?

30 hours.

p.10
Neutrophil Development

How many lobes does the nucleus of segmented neutrophils normally have?

2 to 5 lobes connected by thin nuclear filament.

p.17
Neutrophil Granules

What are the specific granules found in neutrophils?

Lysozyme, Lactoferrin, Collagenase, Plasminogen activator, Aminopeptidase.

p.19
Monocyte Function

What can monocytes become depending on the tissue environment?

Macrophage, dendritic cell, or an osteoclast.

p.20
Monocyte Function

What are the functions of monocytes in innate immunity?

Phagocytosis and cytokine production.

p.19
Monocyte Function

How long can monocytes survive in tissues?

30 hours.

p.12
Neutrophil Functions

What is the name of the protein secreted by neutrophils that is involved in the transport of vitamin B12?

Transcobalamin I or R binder protein.

p.4
Neutrophil Granules

What is the color of the cytoplasm of a promyelocyte?

Pale blue to basophilic, full of primary azurophilic granules.

p.5
Neutrophil Development

What is the size range of a myelocyte?

12-18 um in diameter.

p.4
Neutrophil Granules

What does the cytoplasm of a promyelocyte contain?

A few to many large blue to reddish purple staining nonspecific (primary) granules.

p.5
Neutrophil Development

What is the characteristic of the cytoplasm in a myelocyte?

Moderate amount, may contain few patches of blue, and few to moderate number of nonspecific granules.

p.10
Neutrophil Development

What is the size range of segmented neutrophils?

9-15 um in diameter.

p.1
Leukocyte Function in Immunity

What is the innate function of leukocytes?

Phagocytosis by neutrophils.

p.9
Neutrophil Development

What is the size range of a band cell?

9-15 um in diameter.

p.28
Lymphopoiesis

Describe the cytoplasm of a lymphoblast.

Nongranular, appears smooth, and is moderate to dark blue in color.

p.3
Neutrophil Development

Describe the cytoplasm of a myeloblast.

It has a small amount in relation to the rest of the cell, is usually moderate blue in color, and has a smooth and usually nongranular texture.

p.30
T and B Lymphocytes

What is the size range of small lymphocytes?

8 to 10 μm in diameter.

p.3
Neutrophil Development

What is the typical shape of the nucleus in a myeloblast?

Round or slightly oval, occupying about four-fifths of the cell, with an NC ratio of 4:1 and an extremely fine chromatin pattern, appearing reddish purple in color.

p.4
Neutrophil Development

What is the size range of a promyelocyte?

15-21 um in diameter.

p.16
Eosinophil and Basophil Characteristics

What is the size range of mature basophil and mast cells?

10-16 um in diameter.

p.20
Monocyte Function

What is meant by 'housekeeping' in the context of monocyte function?

Routine maintenance and clearance of cellular debris.

p.31
T and B Lymphocytes

What are the three major groups of T and B lymphocytes?

T cells, B cells, and NK cells.

p.29
Lymphopoiesis

What is the usual granularity of the cytoplasm in a prolymphocyte?

Usually nongranular, but may contain occasional azurophilic granules.

p.26
Lymphopoiesis

What is lymphopoiesis?

The process of lymphocyte production.

p.6
Neutrophil Granules

What color are the specific granules in myelocytes?

Pinkish or lighter staining.

p.28
Lymphopoiesis

What is the size range of a lymphoblast?

10-18 um in diameter.

p.1
Leukocyte Function in Immunity

What is the specific function of leukocytes?

Production of antibodies by lymphocytes and plasma cells.

p.12
Neutrophil Functions

What is the process by which neutrophils capture and destroy foreign material and microorganisms?

Phagocytosis.

p.17
Eosinophil and Basophil Characteristics

Name the larger granules found in eosinophils.

Major Basic Protein (MBP), Phospolipase, Cathepsin, Eosinophil Cationic Protein, Eosinophil derived neurotoxin, Eosinophil protein X.

p.12
Neutrophil Functions

What is the process of neutrophils releasing extracellular traps to capture and kill pathogens?

Generation of NETs (NETosis).

p.39
Megakaryopoiesis

How many nuclei are present in a mature megakaryocyte?

Multiple nuclei.

p.21
Monocyte Function

What is the size range of a monoblast?

12-20 um in diameter.

p.33
T and B Lymphocytes

What is the capability of B and T lymphocytes?

They are capable of rearranging antigen receptor gene segments to produce a wide variety of antibodies and surface receptors.

p.7
Neutrophil Development

What is the size of a metamyelocyte?

10-15 um in diameter.

p.33
T and B Lymphocytes

Where do T and NK lymphocytes develop and mature?

Outside the bone marrow.

p.7
Neutrophil Development

What is the characteristic of the cytoplasm in a metamyelocyte?

Moderate to abundant amount, with a decreased NC ratio and few nonspecific granules.

p.20
Monocyte Function

Apart from their other functions, what else can monocytes do?

They can destroy red blood cells (RBCs).

p.16
Eosinophil and Basophil Characteristics

Are the granules in basophil and mast cells water soluble?

Yes, they are water soluble and tend to wash out when stained.

p.42
Platelet Function

What do platelets release to help in the coagulation process?

Alpha & Dense Granules.

p.35
Megakaryopoiesis

What is megakaryopoiesis?

The process of producing megakaryocytes, the precursor cells of platelets.

p.1
Leukocyte Function in Immunity

What is the overall function of leukocytes?

Mediating immunity.

p.10
Neutrophil Granules

What is the color of the specific granules in the cytoplasm of segmented neutrophils?

Pink to rose-violet.

p.6
Neutrophil Granules

How do the specific granules in myelocytes appear initially?

Dirty orange to blue.

p.22
Monocyte Function

What is the size range of a promonocyte?

14-18 um in diameter.

p.38
Megakaryopoiesis

What is the size range of a granular megakaryocyte?

30-90 um in diameter.

p.19
Monocyte Function

What determines the tissue destinations for monocytes?

Different patterns of chemokine receptors.

p.3
Neutrophil Development

What is the size of a myeloblast?

15-20 um in diameter.

p.33
T and B Lymphocytes

How do lymphocytes differ from other leukocytes?

Lymphocytes are not end cells, they are resting cells and undergo mitosis to produce memory and effector cells when stimulated.

p.36
Megakaryopoiesis

What are the characteristics of the cytoplasm of a megakaryoblast?

Varying shades of blue, usually darker than the myeloblast, may have small, blunt pseudopods, and nongranular.

p.33
T and B Lymphocytes

What is the unique characteristic of lymphocytes' circulation?

Lymphocytes recirculate from the blood to the tissues and back to the blood.

p.29
Lymphopoiesis

What is the size of a prolymphocyte compared to a lymphoblast?

It may be the same size or smaller.

p.42
Megakaryopoiesis

What is the main cytokine for thrombocytopoiesis?

Thrombopoietin (TPO).

p.29
Lymphopoiesis

What is the typical color of the cytoplasm in a prolymphocyte?

Moderate to dark blue.

p.42
Megakaryopoiesis

What is the primary source of Thrombopoietin (TPO)?

The kidney.

p.30
T and B Lymphocytes

What is the color of lymphocyte cytoplasm?

Blue.

p.7
Neutrophil Granules

What is synthesized in a metamyelocyte?

Tertiary granules (gelatinase granules).

p.41
Megakaryopoiesis

Are thrombocytes visible in a promegakaryocyte?

No.

p.31
T and B Lymphocytes

What is the role of T and B cells in tolerance?

They ignore self-antigens.

p.5
Neutrophil Development

What happens to the chromatin pattern in the nucleus of a myelocyte?

It becomes coarser and more condensed.

p.31
T and B Lymphocytes

What is the cellular response produced by T and B lymphocytes?

Attacking foreign organisms or cells.

p.41
Megakaryopoiesis

What are the cytoplasmic granules like in the maturation stage of a metamegakaryocyte?

Aggregated.

p.25
Monocyte Function

What are the macrophages found in the lungs called?

Alveolar macrophages.

p.25
Monocyte Function

What are the macrophages found in the skin called?

Langerhans cells.

p.25
Monocyte Function

What are the macrophages found in the bone called?

Osteoclasts.

p.28
Lymphopoiesis

What is the characteristic of the nucleus of a lymphoblast?

The chromatin pattern is somewhat coarse, and it is round or oval in shape.

p.24
Monocyte Function

What is synthesized by monocytes/macrophages?

Nitric oxide.

p.20
Monocyte Function

In adaptive immunity, how do monocytes function?

As antigen-presenting cells (APCs).

p.9
Neutrophil Development

Describe the nucleus of a band cell.

Elongated or band-shaped, deeply indented from the metamyelocyte stage.

p.30
T and B Lymphocytes

What is the size range of large lymphocytes?

12 to 16 μm in diameter.

p.24
Monocyte Function

What is the role of monocytes/macrophages in the removal of debris and dead cells?

At the site of infection or tissue damage, destruction of senescent RBCs, and maintenance of a storage pool of iron for erythropoiesis.

p.21
Monocyte Function

What is the shape of the nucleus in a monoblast?

Ovoid or round.

p.41
Megakaryopoiesis

What are the nuclear features of a promegakaryocyte?

Double nuclei.

p.42
Platelet Function

What are the two main functions of platelets in the coagulation process?

Adhesion and Aggregation.

p.11
Neutrophil Granules

What are the primary granules in neutrophils also known as?

Azurophilic granules.

p.23
Monocyte Function

What gives the cytoplasm of a monocyte a ground glass appearance?

The presence of many fine azurophilic granules.

p.27
B Cells

What are the effector B cells known as?

Plasma cells and plasmacytoid cells.

p.11
Neutrophil Granules

Name some components found in the secretory granules (secretory vesicles) of neutrophils.

Lysozyme, Acetyltransferase, CD11b/CD18, ALP, Vesicle-associated membrane-2, CD10, CD13, CD14, CD16, Cytochrome b 558, Complement receptor-1.

p.25
Monocyte Function

What are the macrophages found in the peritoneum called?

Peritoneal macrophages.

p.25
Monocyte Function

Where are the reproductive organ macrophages found?

In the reproductive organs.

p.37
Megakaryopoiesis

How does the cytoplasm of a promegakaryocyte compare to the previous stage?

It is more abundant than the previous stage.

p.22
Monocyte Function

Describe the nucleus of a promonocyte.

Oval, may have single fold or fissure, with 1 to 5 nucleoli and a fine chromatin pattern.

p.30
T and B Lymphocytes

What is the size range of medium lymphocytes?

10 to 12 μm in diameter.

p.24
Monocyte Function

Which cells do macrophages and dendritic cells interact with?

T and B lymphocytes.

p.21
Monocyte Function

How would you describe the cytoplasm of a monoblast?

Moderately basophilic to blue-gray and nongranular.

p.41
Megakaryopoiesis

What are the cytoplasmic granules like in the maturation stage of a promegakaryocyte?

Few.

p.42
Platelet Function

What is the function of platelets during vessel injury?

To prevent loss of blood by forming platelet-plugs.

p.30
T and B Lymphocytes

What is the shape of the nucleus in lymphocytes?

Round or oval.

p.21
Monocyte Function

What is the normal nuclear-cytoplasmic ratio in a monoblast?

4:1 to 3:1.

p.31
T and B Lymphocytes

What is the humoral response produced by T and B lymphocytes?

Producing antibodies.

p.23
Monocyte Function

Why may the outline of a monocyte be irregular?

Due to the presence of pseudopods.

p.27
Lymphopoiesis

What are immature B cells also known as?

Hematogones.

p.11
Neutrophil Granules

Name some components found in the secondary (specific) granules of neutrophils.

Collagenase, Gelatinase, Lactoferrin, Neutrophil gelatinase-associated lipocalin, Transcobalamin I.

p.27
T and B Lymphocytes

Where do mature T cells migrate to?

To secondary lymphoid organs or in the circulating blood.

p.27
Leukocyte Function in Immunity

What are the markers expressed by NK cells?

CD56, CD16, CD3, and CD7.

p.9
Neutrophil Granules

What is the characteristic of the granules in a band cell?

Few nonspecific granules and a full complement of specific granules.

p.15
Eosinophil and Basophil Characteristics

What is the color of the specific granules in the cytoplasm of a mature eosinophil cell?

Reddish-orange.

p.37
Megakaryopoiesis

What happens to the chromatin in the nucleus of a promegakaryocyte?

It becomes more coarse.

p.15
Eosinophil and Basophil Characteristics

How many lobes does the nucleus of a mature eosinophil cell usually have?

2 lobes.

p.16
Eosinophil and Basophil Characteristics

How does the cytoplasm of basophil and mast cells stain?

Slightly pink to colorless.

p.20
Monocyte Function

Where do monocytes remove debris in the body?

At sites of infection.

p.16
Eosinophil and Basophil Characteristics

What color are the specific granules found in basophil and mast cells?

Dark-purple to blue-black.

p.5
Neutrophil Granules

What appears in the cytoplasm of a myelocyte?

Small, specific (secondary) granules.

p.7
Neutrophil Development

How is the nucleus of a metamyelocyte described?

Indented or kidney shaped, with coarse and clumped chromatin pattern that stains dark purple.

p.23
Monocyte Function

What is the size range of a monocyte?

14-20 um in diameter.

p.23
Monocyte Function

What is the color of a monocyte's cytoplasm?

Blue-gray.

p.11
Neutrophil Granules

What are the tertiary granules in neutrophils?

Tertiary granules are another type of granules found in neutrophils.

p.23
Monocyte Function

What may be present in the cytoplasm of a monocyte?

Vacuoles.

p.41
Megakaryopoiesis

Are thrombocytes visible in a metamegakaryocyte?

Yes.

p.25
Monocyte Function

What are the macrophages found in the spleen called?

Littoral cells.

p.25
Monocyte Function

What are the macrophages found in the lymph nodes called?

Dendritic cells.

p.15
Eosinophil and Basophil Characteristics

What is the pattern of chromatin in the nucleus of a mature eosinophil cell?

Coarse, clumped chromatin pattern.

p.31
T and B Lymphocytes

What type of immunity are T and B cells major players in?

Adaptive Immunity.

p.21
Monocyte Function

What is the color and texture of the nucleus in a monoblast?

Light blue purple in color, with fine, lacey chromatin and 1 to 2 nucleoli.

p.5
Neutrophil Development

What is the shape of the nucleus in a myelocyte?

Oval or round.

p.42
Platelet Function

What is released in cases of lack of platelets, which are larger than usual platelets?

Reticulated or Stress platelets.

p.41
Megakaryopoiesis

What are the nuclear features of a megakaryocyte?

Two or more nuclei.

p.27
Lymphopoiesis

Where do B cells develop?

In the bone marrow as pro-B, pre-B, and immature B cells.

p.11
Neutrophil Granules

Name some components found in the primary (azurophilic) granules of neutrophils.

Myeloperoxidase, Acid ß-glycerophosphate, Cathepsins, Defensins, Elastase, Proteinase 3, ß2-Microglobulin.

p.23
Monocyte Function

Does a monocyte have nucleoli in its nucleus?

No.

p.25
Monocyte Function

What are the macrophages found in the intestines called?

Intestinal macrophages.

p.25
Monocyte Function

What are the macrophages found in the synovium called?

Type A cell.

p.4
Neutrophil Development

What is the characteristic of the nucleus of a promyelocyte?

It occupies half or more of the cell, with an NC ratio of 3:1 to 2:1, and has an oval or round shape with a coarser chromatin pattern.

p.31
T and B Lymphocytes

What is the function of T and B cells in adaptive immunity?

They produce memory for reexposure.

p.30
T and B Lymphocytes

Are nucleoli visible in lymphocytes?

No.

p.11
Neutrophil Granules

What are the secondary granules in neutrophils also known as?

Specific granules.

p.5
Neutrophil Development

Where may the nucleus be located in a myelocyte?

It may be eccentric.

p.41
Megakaryopoiesis

What are the nuclear features of a metamegakaryocyte?

Four or more nuclei.

p.25
Monocyte Function

What are the macrophages found in the brain called?

Microglia.

p.27
T and B Lymphocytes

What are the functions of CD8+ T cells?

Kills target cells, also known as cytotoxic T lymphocytes.

p.25
Monocyte Function

What are the macrophages found in the kidneys called?

Renal macrophages.

p.29
Lymphopoiesis

Describe the nucleus of a prolymphocyte.

It is round, oval, or slightly indented, with a more clumped chromatin pattern and may contain 1 to 2 nucleoli.

p.20
Monocyte Function

What important cellular process do monocytes contribute to?

Protein synthesis.

p.16
Eosinophil and Basophil Characteristics

How does the nucleus of basophil and mast cells appear?

Generally unsegmented or bilobed and does not appear as coarse as in the neutrophil or eosinophil.

p.41
Megakaryopoiesis

What are the cytoplasmic granules like in the maturation stage of a megakaryocyte?

Numerous.

p.5
Neutrophil Development

Are nucleoli present in the nucleus of a myelocyte?

No nucleoli present.

p.11
Neutrophil Granules

What are the secretory granules in neutrophils also known as?

Secretory vesicles.

p.23
Monocyte Function

What are the possible shapes of a monocyte's nucleus?

Round, kidney-shaped, or slightly lobulated (brainlike convulotion).

p.27
T and B Lymphocytes

What are the two major categories of T cells based on expression?

CD4 and CD8.

p.27
Leukocyte Function in Immunity

What are NK cells also known as?

Large granular lymphocytes.

p.27
Lymphopoiesis

Where do T cells develop?

In the thymus as pro-T, pre-T, and immature T cells.

p.27
T and B Lymphocytes

What are the functions of CD4 T cells?

T H 1 – intracellular pathogens, T H 2 – extracellular parasites (helminths), asthma, T H 17- extracellular bacteria and fungi.

p.27
Leukocyte Function in Immunity

What is the role of NK cells in the immune system?

Killing virus-infected cells and tumor cells.

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