blood Flashcards

1
Q

cells that have a clear golgi region next to the nucleus

A

lymphocyte

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2
Q

Large lymphocytes with azurophilic granules

A

cytotoxic T cells

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3
Q

cytoskeletal feature of all white blood cells

A

pseudopodia

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4
Q

3 components of bone marrow

A

reticular CT stroma, hematopoietic cords, venous sinuses

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5
Q

CFU

A

colony forming unit: pleuripotent stem cell for all blood cells in marrow. Makes CFC’s. Secretes glycoprotein hormone stimulating factors. Looks like small lymphocyte

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6
Q

CFC

A

colony forming cell: one for each type of blood cell

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7
Q

the rarest granulocyte in peripheral blood/ bone marrow

A

basophil

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8
Q

myelopoeisis makes these cell types

A

monocytes, lymphocytes?, and (leukocyctes) granulocytes : all WBC’s

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9
Q

what cell makes platelets

A

megakaryocyte

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10
Q

granulocyte with an oval nucleus

A

myelocyte

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11
Q

granulocyte with a kidney shaped nucleus

A

metamyelocyte

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12
Q

small dense nucleus and grey cytoplasm

A

polychromatic eurythroblast

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13
Q

granulotcyte with u-shaped nucleus

A

neutrophil band form cell

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14
Q

reticulocyte

A

immature RBC that still contains some rRNA. Only 1-2% of the blood. More reticulocytes= more RBC production

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15
Q

what are the two components of platelets

A
  1. granulomere- containing the vasoconstrictor SERATONIN

2. hyalomere- containing thee microtubules that give it its biconcave shape

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16
Q

diapedesis

A

the squeezing through action of leukocytes past the post capillary venule endothelium

17
Q

crystalloid core

A

eosinophil granulocytes. contain MBP (Major Basic Protein) that leads basophils to release heparin and histamine

18
Q

largest leukocytes

A

monocytes - progenitors of the mononuclear phagocyte system

19
Q

sites of hemopoeisis

A
  1. yolk sac 2. liver 3. (postnatal) spleen, lymph node, bone marrow, and thymus
20
Q

what type of reticular fibers are made by reticular cells of bone marrow

A

type III

21
Q

where are erythroblasts and megakaryocytes concentrated in the marrow

A

near the venous sinuses