HEMATOLOGY INTRODUCTION

HAIMA

blood

LOGY

STUDY

what is the total average volume of male blood

5-6 liters

what is the total average volume of female blood

4 TO 5 LITERS

solid portion of blood grams and ml

20g/100ml of blood

45%

formed elements in blood

WAHT IS THE 10% COMPOSTION OF FLUID PORTION OF BLOOD

PROTEINS CARBOHYDRATES, SALTS, HORMONES AND OTHER SUBSTANCE

Blood Plasma

• 55% Fluid: Liquid portion carrying blood cells and dissolved substances.

• 90% Water: Transport medium for other components.

• 10% Solutes: Protein, Carbohyrdates, salts, hormones and other substances

3 layers of buffy coat

-Upper most: Platelets -Middle layer: Agranulocytes -Lower layer: Granulocytes, nRBC

3 layers of a centrifuge blood

PLASMA, BUFFY COAT, ERYTHROCYTES

PERCENTAGE OF TOTAL BLOOD OF PLASMA, BUFFY COAT, AND ERYTHROCYTES

Plasma 55%, Buffy coat is <1%, and erythrocytes is 45%

in vivo blood is in?

Fluid form

in vitro coagulates in how many minutes?

5-10 minutes

3.5-4.5

Thickness and viscous of blood than water

Blood specific gravity

Whole blood: 1.045-1.066
Serum 1.024- 1.028
Plasma: 1.025-1.029

Plasma

Fluid portion of anticoagulated blood

Plasma

general characteristic is slightly hazy appearance

Plasma

Contains all coagulation factor

Serum

Fluid porton of non-anticoagulated blood

Serum

Clear apperance

Serum

Lacks fibrinogen group

Function of blood

• Respiratory

• Nutrional

• Excretory

• Buffering action

• Maintenance of constant body temperature

• Transportation of hormones and other endocrine secretion that regulates cell function

• Body defense mechanism

Arterial oxygenated blood

Bright red

Venous deoxygentaed blood

Dark purplish red

Blood pulmonary vein

Bright red

Pulmonary artery

Dark purple red