Definition

1. Adjective (Tính từ):
   • Pneumogastric: In anatomy, "phế vị" is a technical term used to describe something related to both the lungs (phế) and the stomach (vị). It is most commonly used in the compound term for a specific nerve.
   • Vagus: This is the more common modern equivalent for "phế vị" in medical terminology, referring to the tenth cranial nerve.

Usage Examples

• Adjective:
  • Dây thần kinh phế vị là một trong những dây thần kinh sọ quan trọng. (The pneumogastric nerve is one of the important cranial nerves.)
  • Chức năng của dây thần kinh phế vị rất phức tạp. (The function of the vagus nerve is very complex.)

Advanced Usage

• This word is almost exclusively used in specialized medical or anatomical contexts. It is not used in everyday conversation.
• The term is typically found in the fixed compound "dây thần kinh phế vị" (pneumogastric nerve / vagus nerve).

Variants and Related Words

• Dây thần kinh phế vị (Noun Phrase): Pneumogastric nerve, Vagus nerve. This is the primary and almost only usage of the word "phế vị".
• Thần kinh phế vị: A slightly shorter form with the same meaning.

Synonyms

• Thần kinh số X: Cranial nerve X (a direct numerical synonym for the vagus nerve).
• Dây thần kinh vagus: A direct loan translation (Vagus nerve).

Notes on Different Meanings

• The word "phế vị" is a highly specialized anatomical term. It does not have other common meanings in modern Vietnamese.
• Historically, as seen in the Vietnamese-French reference, "phế vị" could be used similarly to "phế truất" (to dethrone, to depose), but this usage is now archaic and extremely rare. The primary and current meaning is strictly anatomical.

1. (giải phẫu học) Pneumogastric
   • Dây thần kinh phế vị
     Pneumogastric nerve, the vagus