tử hà xa
Definition
- Noun:
- Placenta: The organ that develops in the uterus during pregnancy, providing oxygen and nutrients to the growing fetus and removing waste products. This is a specialized medical and biological term.
Usage Examples
- Noun:
- Sau khi sinh, tử hà xa cũng được đẩy ra ngoài. (After birth, the placenta is also expelled.)
- Chức năng của tử hà xa là trao đổi chất giữa mẹ và thai nhi. (The function of the placenta is to exchange substances between the mother and the fetus.)
Advanced Usage
- This term is almost exclusively used in formal, medical, or scientific contexts such as biology, gynecology, and obstetrics.
Variants and Related Words
- Nhau thai: This is the more common and modern Vietnamese term for "placenta." is an older, Sino-Vietnamese term.
- Bác sĩ kiểm tra tình trạng của nhau thai. (The doctor checks the condition of the placenta.)
Synonyms
- Afterbirth: A common synonym, though "afterbirth" specifically refers to the placenta and fetal membranes expelled after childbirth.
- Placenta: The direct English equivalent.
Notes on Usage
- Formality: is a highly formal, technical term derived from Chinese characters (Sino-Vietnamese). In everyday conversation and even in most modern medical contexts in Vietnam, the pure Vietnamese term nhau thai is preferred and more widely understood.
- Context: It is primarily encountered in classical medical texts, historical documents, or very formal scientific writing.