17 Questions
Where are the lingual tonsils located?
On the posterior surface of the tongue
What type of epithelium lines the pharyngeal tonsil?
Pseudostratified Ciliated Columnar
Which lymphoid tissue forms periarterial lymphoid sheaths around central arteries?
White Pulp
Where are Peyer's patches found?
Lamina propria of the ileum
What is the main function of the pharyngeal tonsil?
To protect against pathogens entering through the nose and mouth
Where is the thymus located in the body?
Near the heart
Which lymphoid organ is the largest among the lymphoid organs?
Spleen
What is the main function of the spleen?
Filtering blood
What type of cells occupy the splenic cords in the spleen?
Extravasated blood cells
Which part of the body does GALT (Gut-associated lymphoid tissue) primarily protect?
Digestive tract
What is the function of Palatine Tonsils?
Serve as a boundary organ between mouth and oropharynx
Where are lymph nodules typically found in the spleen?
White Pulp
What is the characteristic feature of the Periarteriolar Lymphatic Sheath (PALS) in the spleen?
Darker portion due to dense plasma cells
Which organ is well-encapsulated and pyramid-shaped?
Thymus
Which area in the digestive tract is part of the GALT (Gut-associated lymphoid tissues)?
Large Intestine crypts
What is a notable function of the thymus during embryonic life?
Production of lymphocytes
In which region of the lymph nodes do you find the cortex filled with lymphocytes and macrophages?
Cortical region
Test your knowledge on lymphoid organs and tissues including the periatrial lymphod sheaths (PALS), pharyngeal tonsil, and lingual tonsil. Identify structures, cell types, and locations within the lymphatic system.
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