spinal arachnoid mater
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Arachnoid mater — Infobox Brain Name = PAGENAME Latin = GraySubject = 193 GrayPage = 876 Caption = The medulla spinalis and its membranes. Caption2 = Diagrammatic representation of a section across the top of the skull, showing the membranes of the brain, etc.… … Wikipedia
spinal arachnoid — arachnoid of spinal cord arachnoidea mater spinalis … Medical dictionary
arachnoid mater — noun The middle layer of the meninges. A membrane that protects the brain and spinal cord below the dura mater and above the subarachnoid space and the pia mater. Syn: arachnoid … Wiktionary
arachnoid barrier cell layer — the outer layer of the cranial and spinal arachnoid mater, immediately internal to the dura mater and loosely attached to the dural border cell layer by occasional cell junctions. Its cells have tightly apposed cell membranes and are connected to … Medical dictionary
Spinal cord — Latin medulla spinalis The spinal cord nested in the vertebral column … Wikipedia
arachnoid — 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… … The new mediacal dictionary
arachnoid — 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 … Medical dictionary
mater — The “sheltering” coverings of the central nervous system. See arachnoid m., dura m., pia m.. [L. mother] arachnoidea m. cranialis [TA] SYN: cranial arachnoid m.. arachnoidea m. encephali cranial arachnoid m.. cranial pia m. [TA] the pia m. found… … Medical dictionary
Spinal anaesthesia — Spinal analgesia, (or commonly called spinal anesthesia or sub arachnoid block (S.A.B.)) is a form of regional anaesthesia involving injection of a local anaesthetic into the cerebrospinal fluid (CSF), generally through a fine needle, usually 3.5 … Wikipedia
arachnoid — [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 … English World dictionary
