What do you know about Erythrocytes …

Red Blood Cells (Erythrocytes)

• Most abundant cells in the blood
• Account for approximately 40 to 45 percent of the blood.
• Biconcave disc which is round and flat, sort of like a shallow bowl.
• Disk diameter of approximately 6.2-8.2 µm.
• They have a thick rim and a thin sunken center.
• Nucleus Absent.
• Can change shape without breaking.
• Production of RBCs is controlled by erythropoietin.

White Blood Cells (Leukocytes)

• Account for only about 1% of the blood.
• 4500-11,000/mm³
• They are the cells that make up the majority of the immune system.
• It is the part of the body that protects itself against foreign substances and various types of infections.
• They are made in the bone marrow from multi-potent cells called hematopoietic stem cells.
• They exist in all parts of the body, including the connective tissue, lymph system, and the bloodstream.
• Leukopenia is a low white blood cell count that can be caused by damage to the bone marrow from things like medications, radiation, or chemotherapy.