Full Form of CTL

Full formMedical & Health
CTLstands for

Cytotoxic T Lymphocyte

What is CTL?

Cytotoxic T Lymphocyte (CTL) is a specialized type of white blood cell belonging to the T cell lineage. CTLs are a critical component of the adaptive immune system, responsible for directly killing cells that are infected by viruses, intracellular bacteria, or have become cancerous. They work by recognizing specific antigens presented on the surface of target cells via major histocompatibility complex (MHC) class I molecules. Upon recognition, CTLs release cytotoxic granules containing perforin and granzymes that induce apoptosis in the target cell. In the Indian context, CTLs are extensively studied in medical and biology curricula, especially for competitive exams like NEET and AIIMS. The concept is foundational for understanding cell-mediated immunity, transplant rejection, and immunotherapy. Indian students often encounter CTL in textbook chapters on immune response, and exam questions frequently test its mechanism, markers (e.g., CD8), and relationship with helper T cells. Knowledge of CTLs is also relevant for careers in medicine, research, and pharmaceutical development in India.

CTL का फुल फॉर्म

साइटोटॉक्सिक टी लिम्फोसाइट

Example

The NEET biology textbook explained that CTLs directly eliminate virus-infected cells and are essential for recovery from infections like dengue.

CTL — frequently asked questions

What is the full form of CTL?
The full form of CTL is Cytotoxic T Lymphocyte, a type of white blood cell that kills infected or cancerous cells.
How do CTLs work in the immune system?
CTLs recognize antigens on infected cells using their T cell receptors and MHC class I, then release perforin and granzymes to trigger apoptosis.
Why is CTL important for NEET preparation?
CTL is a frequently tested topic in NEET Biology under immunology, covering its role in cell-mediated immunity and its markers like CD8.
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