The second name for White Blood Cells (WBCs) is leukocytes.
Understanding White Blood Cells (WBCs)
Based on the provided information, White blood cells are also called leukocytes. They play a crucial role in protecting your body against illness and disease. You can think of white blood cells as your body's primary immunity cells.
The Role of Leukocytes
Leukocytes are essential components of the immune system. Unlike red blood cells, which carry oxygen, leukocytes are involved in identifying and neutralizing pathogens like bacteria, viruses, fungi, and parasites. They also help remove cellular debris and abnormal cells.
Types of Leukocytes
Leukocytes are not a single type of cell but rather a diverse group, each with specialized functions. Here are the main types:
- Neutrophils: Often the first responders to infection, particularly bacterial infections.
- Lymphocytes: Include T cells, B cells, and Natural Killer (NK) cells, crucial for targeted immune responses, antibody production, and fighting viral infections.
- Monocytes: Large phagocytic cells that can differentiate into macrophages and dendritic cells, involved in engulfing pathogens and presenting antigens to other immune cells.
- Eosinophils: Important for defending against parasites and involved in allergic reactions.
- Basophils: Release histamine and other mediators involved in allergic responses and inflammation.
Why "Leukocytes"?
The term "leukocyte" comes from Greek words:
- leukos meaning "white"
- kytos meaning "cell"
This name was given because these cells appear white when separated from the other components of blood due to their lack of hemoglobin.
Key Characteristics
| Feature | White Blood Cells (Leukocytes) |
|---|---|
| Primary Name | White Blood Cells (WBCs) |
| Second Name | Leukocytes |
| Main Function | Protect the body against illness and disease |
| Appearance | Lack hemoglobin, appear white |
| Location | Found in blood, lymph nodes, spleen, tissues |
Understanding the role and different types of leukocytes is key to appreciating how the immune system functions to keep us healthy.
