A spore case is a type of protective structure that holds spores. There are several synonyms for this term including sporangium, sporocarp, and ascoma. A sporangium is a sac-like structure that holds spores and is commonly found in fungi, mosses, and ferns. Similarly, a sporocarp is a type of fruiting body that produces and holds spores. This term is often used to describe the structures found in fungi and algae. Finally, an ascoma is a cup-shaped structure that contains reproductive cells or spores. The term is most commonly used to describe the fruiting bodies of certain types of fungi such as apothecia and perithecia.