BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS
LYMPHATIC SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is a ring of lymphatic tissue around the entrance to the pharynx?
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tonsils
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lymph nodes
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thymus glands
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peyer’s patches
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Explanation:
Detailed explanation-1: -A ring of lymphoid tissue found in the throat. The Waldeyer’s ring is made up of the tonsils, adenoids, and other lymphoid tissue. It contains lymphocytes (a type of immune cell) that help the body fight infection and disease.
Detailed explanation-2: -Waldeyer’s ring is the ring of lymphoid tissue in the pharynx formed by the palatine tonsils, pharyngeal tonsils, tubal tonsils, and lingual tonsils.
Detailed explanation-3: -Waldeyer’s tonsillar ring includes the lymphoid tissues of the nasopharynx, tonsils, and base of the tongue. Waldeyer’s ring represents an extranodal but not an extralymphatic site.
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