trung thận
Definition
- Noun (Biology, Anatomy):
- Mesonephros: An intermediate excretory organ in the embryonic development of higher vertebrates, including humans. It functions as a temporary kidney in some species and contributes to structures in the male reproductive system.
Usage Examples
- Noun:
- Trong quá trình phát triển phôi người, trung thận xuất hiện sau tiền thận. (During human embryonic development, the mesonephros appears after the pronephros.)
- Ở một số động vật, trung thận hoạt động như một cơ quan bài tiết. (In some animals, the mesonephros functions as an excretory organ.)
Advanced Usage
- This term is highly specialized and used almost exclusively in academic contexts such as embryology, comparative anatomy, and developmental biology.
Variants and Related Words
- Tiền thận (n): Pronephros. The earliest, most primitive kidney structure in vertebrate embryonic development.
- Hậu thận (n): Metanephros. The permanent, definitive kidney in amniotes (reptiles, birds, mammals), which develops after the mesonephros.
Synonyms
- Mesonephros (the direct English equivalent).
- Wolffian body (an older, but sometimes still used, synonymous term).
Related Terms (Contextual)
- Ống trung thận (n): Mesonephric duct (or Wolffian duct). The duct associated with the mesonephros.
- Biệt hóa (v): To differentiate. The mesonephros from the intermediate mesoderm.