Waldeyer’s ring
Waldeyer’s ring is a ring of lymphoid tissue surrounding the nasopharynx and oropharynx. These are sites of first immunological contact for antigens in childhood. These are also called nasal-associated lymphoid tissue […]
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Anatomy and Physiology of Nasopharynx
The nasopharynx is an air-containing cavity at the back of the nose, which occupies the uppermost extent of the aerodigestive tract. It’s like a small cuboidal box about two to […]
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Tubercle of Zuckerkandl
Zuckerkandl Tubercle (ZT) is the posterior projection of lateral lobes of the thyroid gland and is a common anatomical structure observed in 60-90% of cases. The tubercle was first described by […]
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