subarachnoidal
/ˌsʌbərækˈnɔɪdəl/
adjective
- Relating to or located in the subarachnoid space.
- Subarachnoidal cysts are rare but can cause pressure on the spinal cord.
- The subarachnoidal injection delivered the medication directly to the spinal fluid.
- The doctor explained the subarachnoidal hemorrhage to the patient's family.