<prompt> In tissue, Coccidioides immitis producesSpherules and endosporesEncapsulated yeast cellsFine, delicate hyphaeCoarse, septate hyphae  <response>: Coccidioides immitis is a dimorphic fungus. Yeast form is a spherule filled with endospores. Mycelial phase contains pseudohyphae, which fragments into ahrospores. Ref: Textbook of Microbiology, Ananthanarayan and Paniker; 9th edition 