PATHOLOGY

PATHOLOGY MCQ

LYMPHO RETICULAR SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which organ receives immature T cells, then raises them to maturity-then releases them?
A
Thymus
B
Spleen
C
Liver
D
Heart
Explanation: 

Detailed explanation-1: -The primary function of the thymus gland is to train special white blood cells called T-lymphocytes or T-cells. White blood cells (lymphocytes) travel from your bone marrow to your thymus. The lymphocytes mature and become specialized T-cells in your thymus. After the T-cells have matured, they enter your bloodstream.

Detailed explanation-2: -Primary Lymphoid Organs The B cell undergoes nearly all of its development in the red bone marrow, whereas the immature T cell, called a thymocyte, leaves the bone marrow and matures largely in the thymus gland.

Detailed explanation-3: -T cells develop in the thymus from precursor cells that migrate there from the hemopoietic tissues via the blood.

Detailed explanation-4: -The thymus makes white blood cells called T lymphocytes. These are also called T cells. These are an important part of the body’s immune system, which helps to fight infection. The thymus gland grows to its largest size during childhood and makes all the T cells we need before we become teenagers.

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