Blood Flashcards Preview

Histology > Blood > Flashcards

Flashcards in Blood Deck (30):
1

How big are erythrocytes

7.8 micrometres in diameter

2

volume of blood

6l

3

normal haematocrit in males

39-50%

4

normal haematocrit in females

35-45%

5

water in plasma

90%

6

proteins in plasma: type and amount

7-8%

Albumin
Globulins
Fribrinogen

7

solutes in plasma : type and amount

1-2%

Electrolytes
waste
nutrients
gases
regulatory substances

8

Characteristics of stain for blood

Modified Romanovsky-type stain

Methylene blue (basic
Related azures (basic)
Eosin (acidic)

9

Process of haematopoeisis

Proerythroblast
Basophilic erythroblast
Polychromatophilic erythroblast
Orthochromatophilic Erythroblast
polychromatophilic erythrocyte
erythrocyte

10

what is an orthochromatorphilic erythroblast also called

normoblast

11

what is a polychormatophilic erythrocyte also called

reticulocyte

12

how many lobes in grauloyte leukocytes

2 or more

13

lobes in agranulocyte nucleus

none

14

diameter of neutrophils

10-12 micrometres

15

lobes in nucleus of neutrophils

2-5

16

what cells in a barr body found in

neutrophils

17

size of eosinophils

10-12 micrometres diameter

18

What is the shape of the nucleus in eosinophils

bilobed

19

What are eosinophils normally found

CT

20

Size of basophils

10-12 micrometres in diameter

21

nucleus of basophils

2 irregular lobes
obscured by granules often

22

Size of lymphoxytes

6-30 micrometres in diameter

23

nucleus of lymphocytes

slightly indentented spherical nucleus

24

largest leukocyte

monocyte

25

shape of distinct kidney-shaped nucleus

monocytes

26

size of platelets

2-3 micrometres in diameter

27

Where do platelets come from

megakaryocytes in bone marrow

28

What is used to make serum

anticoagulants (Ca2+)

29

metachromatic meaning

many shades possible

30

promyelocyte characteristics

give rise to all leukocytes

Has granules that become specific