This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
[{'content': "Billoh's cord are present in which pa of spleen? \nSelect and explain. \nA. White pulp, B. Red pulp, C. Both, D. Capsule", 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is `b' i.e., Red pulp Histology of spleen Spleen has a capsule which is mainly composed of collagen with some elastin. Trabeculae are septae pass inwards from the capsule. Spleen is mainly composed of two pas : White pulp : The white pulp of the spleen is formed of mass of T and B lymphocytes surrounding central aery, arranged as lymphoid nodule. Each nodule is also called Malpigian bodies. Marginal zone surrounds the white pulp and contains antigen presenting cells as macrophages. Red pulp : Red pulp is made up of a mesh of leaky sinusoids (vascular sinuses) through which the red cells are squeezed. Adjacent blood spaces contain blood cells and arranged in cords called splenic cords of billoh.", 'role': 'assistant'}]