testüregének
Testüregének is a Hungarian term that translates to "body cavity" in English. It refers to any fluid-filled space within a multicellular organism. In biological contexts, this term often distinguishes between different types of body cavities based on their location and the organs they contain.
In vertebrates, the two main body cavities are the dorsal cavity and the ventral cavity. The dorsal
In invertebrates, the term can refer to a coelom, which is a true body cavity completely lined