What are the 5 types of white blood cells?

They help the body fight infection and other diseases. Types of white blood cells are granulocytes (neutrophils, eosinophils, and basophils), monocytes, and lymphocytes (T cells and B cells).

What is WBC structure?

White cells, containing a nucleus and able to produce ribonucleic acid (RNA), can synthesize protein. On the basis of their appearance under a light microscope, white cells are grouped into three major classes—lymphocytes, granulocytes, and monocytes—each of which carries out somewhat different functions.

What are the 6 types of white blood cells?

Types of white blood cells

• Monocytes. They have a longer lifespan than many white blood cells and help to break down bacteria.
• Lymphocytes. They create antibodies to fight against bacteria, viruses, and other potentially harmful invaders.
• Neutrophils. They kill and digest bacteria and fungi.
• Basophils.
• Eosinophils.

How are white blood cells different?

WBCs are produced in the bone marrow by hemopoeitic stem cells, which differentiate into either lymphoid or myeloid progenitor cells. A major distinguishing feature is the presence of granules; white blood cells are often characterized as granulocytes or agranulocytes.

Why RBC are more than WBC?

As the blood travels through the body, the hemoglobin releases oxygen to the different body parts. Each RBC lives for about 4 months. Blood contains far fewer WBCs than red blood cells, although the body can increase WBC production to fight infection.

Why is WBC in urine?

The most common cause for WBCs in urine (leukocyturia) is a bacterial urinary tract infection (UTI), such as a bladder or kidney infection. In addition to WBCs, bacteria and RBCs may also be seen in the microscopic examination. If bacteria are present, the chemical test for nitrite may also be positive (see below).

Which is the smallest WBC?

Lymphocytes are agranular leukocytes which form from the lymphoid cell line within the bone marrow. They respond to viral infections and are the smallest leukocytes, with a diameter of 6-15µm.

What is the largest WBC in human body?

Monocytes
Monocytes. Monocytes are the largest cells of the blood (averaging 15–18 μm in diameter), and they make up about 7 percent of the leukocytes.

What happen when WBC high?

A high white blood cell count may indicate that the immune system is working to destroy an infection. It may also be a sign of physical or emotional stress. People with particular blood cancers may also have high white blood cells counts.

Which is more RBC or WBC?

Blood contains far fewer WBCs than red blood cells, although the body can increase WBC production to fight infection.