ANATOMY
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: -The lymphatic tissues located in the oropharynx are composed of a circumferential tonsillar ring, known as the Waldeyer’s ring which consists of the palatine tonsils (faucial tonsils), adenoid (nasopharyngeal tonsil), lingual tonsil, and tubal tonsils.
Detailed explanation-2: -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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