Food and Digestion # Pharynx and Waldeyer's ring

Описание к видео Food and Digestion # Pharynx and Waldeyer's ring

Waldeyer's ring consists of four tonsillar structures (namely, the pharyngeal, tubal, palatine and lingual tonsils) as well as small collections of lymphatic tissue disbursed throughout the mucosal lining of the pharynx (mucosa-associated lymphoid tissue, MALT). Key facts about Waldeyer's Ring. Pharyngeal tonsil.
The pharynx, commonly called the throat, is a passageway that extends from the base of the skull to the level of the sixth cervical vertebra. It serves both the respiratory and digestive systems by receiving air from the nasal cavity and air, food, and water from the oral cavity.
Neet Biology , class 11th class 12th Biology by Rajeev Sir

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