dural
/djuə'ræl/ Cách viết khác : (duralumin) /djuə'ræljumin/ (duraluminium) /,djuərəlju'minjÉ
Học thuậtThân thiện
Definition
Adjective Of or relating to the dura mater, the tough, outermost membrane enveloping the brain and spinal cord.
Usage
The word "dural" is a specialized medical and anatomical term. It functions exclusively as an adjective to describe anything pertaining to or associated with the dura mater.
Examples
- The surgeon repaired the dural tear to prevent cerebrospinal fluid leakage.
- A dural graft may be used in certain neurosurgical procedures.
- The patient experienced a dural headache following the spinal tap.
Advanced Usage
- Dural sac: The tubular sheath of dura mater that encloses the spinal cord and cauda equina.
- The MRI showed compression of the dural sac at the L4-L5 level.
- Dural venous sinuses: Large endothelial-lined venous channels located within the dura mater that drain blood from the brain.
- A blood clot in a dural venous sinus is a serious medical condition.
Variants and Related Words
- Dura mater (n): The specific anatomical structure to which "dural" refers.
- The dura mater provides a protective barrier for the central nervous system.
- Epidural (adj/n): Situated on or outside the dura mater. Often refers to anesthesia administered into the epidural space.
- She received an epidural for pain relief during labor.
- Subdural (adj): Situated or occurring beneath the dura mater.
- A subdural hematoma is a collection of blood between the dura and the brain.
Synonyms
- Meningeal (specifically relating to the meninges, of which the dura mater is the outermost layer). Note: "Meningeal" is broader, while "dural" is more specific.
Notes on Different Meanings
"Dural" has only one primary meaning in modern English: relating to the dura mater. It should not be confused with the historical or alternative spelling for duralumin, a type of aluminum alloy. In contemporary technical and medical contexts, "dural" exclusively refers to the anatomical structure.
Adjective
- of or relating to the dura mater