APPLIED RADIOLOGICAL ANATOMY

ANATOMY

LYMPHATIC SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
These organs are where lymphocytes (a type of immune cell) are made and mature
A
primary lymphoid organs
B
secondary lymphoid organs
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Primary lymphoid organs: These organs include the bone marrow and the thymus. They create special immune system cells called lymphocytes.

Detailed explanation-2: -Types and functions of lymphocytes Both originate from stem cells in the bone marrow and are initially similar in appearance. Some lymphocytes migrate to the thymus, where they mature into T cells; others remain in the bone marrow, where-in humans-they develop into B cells.

Detailed explanation-3: -Thymus. The thymus is a bilobed structure below the breastbone, near the heart, where T lymphocytes mature and multiply. In most humans, the thymus increases in size until puberty, after which it shrinks and is eventually replaced by fatty tissue.

Detailed explanation-4: -A lymphocyte is a type of white blood cell that is part of the immune system. There are two main types of lymphocytes: B cells and T cells. The B cells produce antibodies that are used to attack invading bacteria, viruses, and toxins.

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