APPLIED RADIOLOGICAL ANATOMY

ANATOMY

LYMPHATIC SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What lymphoid organs are the collections of lymphoid tissue facing arodigestive tract?
A
Thymus
B
Tonsils
C
Lymph node
D
Spleen
E
Liver
Explanation: 

Detailed explanation-1: -The tonsils are a set of lymphoid organs facing into the aerodigestive tract, which is known as Waldeyer’s tonsillar ring and consists of the adenoid tonsil, two tubal tonsils, two palatine tonsils, and the lingual tonsils . These organs play an important role in the immune system.

Detailed explanation-2: -In the oropharynx, the lymphoid tissue known as the palatine tonsils has deep crypts in the surface that can harbor bacteria and secretions that can lead to tonsillitis.

Detailed explanation-3: -Tonsils, a collection of partially encapsulated lymphoid nodules (palatine, pharyngeal, lingual, and numerous very small tonsils), are located at the entrance of the oral pharynx, protecting it from inhaled antigens.

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