Arachnoid
1Arachnoid — A*rach noid, n. 1. (Anat.) The arachnoid membrane. [1913 Webster] 2. (Zo[ o]l.) One of the Arachnoidea. [1913 Webster] …
2arachnoid — [ə rak′noid΄] adj. [ModL arachnoides < Gr arachnoeidēs, like a cobweb < arachnē, spider (see ARACHNID) + eidēs, OID] 1. Anat. designating the middle of three membranes covering the brain and the spinal cord: see DURA MATER, PIA MATER 2. Bot …
3Arachnoid — A*rach noid, a. [Gr. ? like a cobweb; ? spider, spider s web + e i^dos form.] 1. Resembling a spider s web; cobweblike. [1913 Webster] 2. (Anat.) Pertaining to a thin membrane of the brain and spinal cord, between the dura mater and pia mater.… …
4arachnoid — (adj.) cobweb like, especially of the membrane around the brain and spinal cord, 1789, from Mod.L. arachnoides, from Gk. arakhnoeides cobweb like, from arakhne cobweb (see ARACHNID (Cf. arachnid)) + oeides (see OID (Cf. oid)) …
5arachnoid — mater; n. the middle of the three membranes covering the brain and spinal cord (see meninges), which has a fine, almost cobweb like, texture. Between it and the pia mater within lies the subarachnoid space, containing cerebrospinal fluid and… …
6arachnoid — SYN: a. mater. [G. arachne, spider, cobweb, + eidos, resemblance] a. of brain SYN: cranial a. mater. cranial a. mater [TA] that portion of the a. that lies within the cranial cavity and surrounds the …
7Arachnoid — The word Arachnoid means pertaining to or resembling an arachnid or spider. It may also refer to:* Arachnoid mater, one of the three layers of the meninges, a system of membranes that contain the central nervous system. * Arachnoid (astrogeology) …
8arachnoid — I. adjective Date: 1789 1. of or relating to a thin membrane of the brain and spinal cord that lies between the dura mater and the pia mater 2. covered with or composed of soft loose hairs or fibers II. noun Etymology: New Latin arachnoides, from …
9arachnoid — /euh rak noyd/, adj. 1. resembling a spider s web. 2. of or belonging to the arachnids. 3. Anat. of or pertaining to the arachnoid membrane. 4. Bot. formed of or covered with long, delicate hairs or fibers. n. 5. an arachnid. 6. Anat. the serous… …
10arachnoid — 1. adjective a) Relating to spiders. b) Relating to or resembling spider webs. 2. noun a) An arachnid b) The arachnoid mater, the middle layer of t …
