Definition

1. Noun (Anatomy):
   • Tunica vaginalis: A thin, membranous sac that surrounds the testicle and the epididymis within the scrotum. It is a closed serous sac derived from the peritoneum during fetal development.

Usage Examples

• Noun:
  • Viêm tinh mạc là một tình trạng y tế nghiêm trọng. (Inflammation of the tunica vaginalis is a serious medical condition.)
  • Tràn dịch tinh mạc có thể gây sưng bìu. (A hydrocele, or fluid accumulation in the tunica vaginalis, can cause scrotal swelling.)

Advanced Usage

• Medical Context: The term is almost exclusively used in medical and anatomical contexts to describe this specific structure, its pathologies, or related surgical procedures.
  • Bác sĩ phẫu thuật đã mở và dẫn lưu tinh mạc. (The surgeon incised and drained the tunica vaginalis.)

Variants and Related Words

• Viêm tinh mạc (n): Vaginalitis. Inflammation of the tunica vaginalis.
• Tràn dịch tinh mạc (n): Hydrocele. A collection of serous fluid in the tunica vaginalis.

Synonyms

• Tunica vaginalis: The direct and precise anatomical synonym in English.
• Vaginal tunic: A less common English translation.

Notes on Usage

• Technical Term: "Tinh mạc" is a highly specialized anatomical term. It is not used in everyday conversation. Learners will encounter it only in medical texts, diagnoses, or discussions.
• False Friend Alert: The word "tinh mạc" should not be confused with "tĩnh mạch," which means "vein." They are completely different anatomical structures.