This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mycology, Subject name: Microbiology
[{'content': 'In tissue, Coccidioides immitis produces: \nSelect and explain. \nA. Spherules and endospores, B. Encapsulated yeast cells, C. Fine, delicate hyphae, D. Coarse, septate hyphae', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Spherules and endospores(Ref: Ananthanarayan, 8th/e, p. 611, 612; Harrison, 18th/e, p. 1643, 17th/e, p. 1244)C. imitis reproduces in host tissue by forming small endospores within mature spherules.", 'role': 'assistant'}]