arachnoid n the middle of the 3 meninges n air-breathing arthropods characterized by simple eyes and four pairs of legs a relating to or resembling a member of the class Arachnida Usage(s) Small whitish bodies called Pacchionian granulations grow out of the arachnoid (middle) membrane. Next and attached to this is the arachnoid (cobweb-formed). Into that tough membrane, into the arachnoid tissue, into the pia mater-carefully, very carefully. Synonym(s) arachnoid membrane arachnid arachnidian spidery spiderlike spiderly
News & Articles arachnoid Courage in the face of consistent pain Linda Kay suffers from a condition called arachnoiditis a neuropathic disease caused by inflammation of the arachnoid, a membrane that surrounds the spine. July 4, 2013 - The Bay Bulletin