dura

Thân thiện

The surgeon carefully examines the dura during the procedure.

Definition

1. Noun:
   • The outermost and toughest of the three meninges: The "dura" is a thick, fibrous membrane that lines the inner surface of the skull and vertebral canal, enclosing and protecting the brain and spinal cord. It is also known as the dura mater.

Usage Examples

• Noun:
  • A tear in the dura can cause a cerebrospinal fluid leak.
  • The surgeon carefully incised the dura to access the brain tissue.
  • Meningiomas are tumors that arise from the cells of the dura.

Advanced Usage

• "Dura mater": This is the full Latin term, meaning "tough mother," from which the shortened form "dura" is derived. It is often used in formal medical contexts.
  • The dura mater consists of two layers: the periosteal layer and the meningeal layer.

Variants and Related Words

• Dural (adj): Pertaining to or affecting the dura mater.
  • The patient experienced dural thickening after the injury.
• Pachymeninx (n): An older, alternative medical term for the dura mater, contrasting with the leptomeninges (the pia and arachnoid mater).
• Epidural (adj/n): Situated on or outside the dura mater. Often refers to an anesthetic injection into the epidural space.
  • She received an epidural for pain relief during labor.

Synonyms

• Dura mater: The full anatomical name.
• Pachymeninx: A technical synonym used in some medical literature.

Related Phrases

• Dural sac: The tubular sheath of dura mater that surrounds the spinal cord and cauda equina.
  • The MRI showed compression of the dural sac.
• Dural venous sinus: A venous channel found between layers of dura mater, which drains blood from the brain.
  • A blood clot formed in a dural venous sinus.

Related Idioms

(There are no common idioms using the word "dura" as it is a highly specialized anatomical term.)

Học thuật

Noun

1. the outermost (and toughest) of the 3 meninges

Từ đồng nghĩa

• dura mater