arachnoid
/əˈræknɔɪd/
adjective
- Relating to or resembling a spider or spiderweb; covered with fine, soft hairs or fibers.
- The plant's leaves have an arachnoid texture, covered in fine white hairs.
- Under the microscope, the fungus appeared arachnoid, with threadlike strands.
- The fossil showed arachnoid patterns similar to a spider's web.
Synonyms
noun
- The delicate, web-like middle layer of the meninges (the membranes covering the brain and spinal cord).
- The arachnoid lies between the dura mater and the pia mater in the brain.
- An injury to the arachnoid can cause leakage of spinal fluid.
- Cerebrospinal fluid flows in the space beneath the arachnoid.