Withdraw blood Centrifuge -Plasma (55%of whole blood) Buffy coat:leukocytes and platelets (<1%of whole blood) Erythrocytes Formed (45%of whole blood) elements Hematocrit
Centrifuge Withdraw blood Plasma (55% of whole blood) Buffy coat: leukocytes and platelets (<1% of whole blood) Erythrocytes (45% of whole blood) Formed elements Hematocrit
Percentage by body weighr Plasma (percentoge by weight) Albumins 58% Proteins 7% Globulins Percentage by 38% volume Other fluids Fibrinogen and tissues 92% Water 91% lons Nutrients Oher solutes2 Waste producis Gases Formed elements (number per cubic mm) Regulatory substances Plartelets 250-400 fousond Leukocytes Leukocytes Neutrophils 5-9 thousand 60-70% Lymphocytes 2025% 24 Basophils 0.51% Components of blood
Components of blood
1.Blood components plasma (55%): 一 water(90%of total plasma) protein (7%) albumen,globulin (antibodies),hormones,enzymes,cytokines blood coagulation factor:prothrombin,thrombin,fibrinogen other (3%) nutrients:fats,vitamins,carbohydrates(glucose) electrolytes gases:oxygen,carbon dioxide metabolic waste products:creatinine,urea nitrogen,uric acid, etc
• plasma (55%): – water (90% of total plasma) – protein (7%) • albumen, globulin (antibodies), hormones, enzymes, cytokines • blood coagulation factor: prothrombin, thrombin, fibrinogen – other (3%) • nutrients: fats, vitamins, carbohydrates (glucose) • electrolytes • gases: oxygen, carbon dioxide • metabolic waste products: creatinine, urea nitrogen, uric acid, etc. 1. Blood components
1.Blood components formed elements (45%) -red blood cell(RBC,erythrocyte):male:4- 5×10/μl,female:3.5-4.5×106/ul hemoglobin (Hb,male:12-16g/dl,female:11-15g/dl, newborn:17-20g/dl) hematocrit (Hct,male:42-52%,female:37-47%): reticulocyte(Ret,immature erythrocyte):adult:0.5- 1.5%,newborn:2.0-6.0% Mean Corpuscular Volume:MCV,80-100 fl Mean Cellular Haemoglobin Concentration:MCHC,32- 36 g/dl
• formed elements (45%) – red blood cell (RBC, erythrocyte): male: 4- 5×106 /µl, female: 3.5-4.5×106 /µl • hemoglobin (Hb, male: 12-16g/dl, female:11-15g/dl, newborn:17-20g/dl) • hematocrit (Hct, male: 42-52%, female: 37-47%): • reticulocyte (Ret, immature erythrocyte): adult: 0.5- 1.5%, newborn: 2.0-6.0% • Mean Corpuscular Volume: MCV, 80-100 fl • Mean Cellular Haemoglobin Concentration: MCHC, 32- 36 g/dl 1. Blood components