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<!doctype html><html lang="en"><head> <title>MeSH Browser</title> <meta http-equiv="X-UA-Compatible" content="IE=Edge" /> <meta http-equiv="Pragma" content="no-cache"> <meta http-equiv="Expires" content="-1"> <link rel="stylesheet" href="/public/css/font-awesome.css"> <link rel="stylesheet" href="/public/css/bootstrap.css"> <link rel="stylesheet" href="/public/css/mongoMesh.css"> <link rel="icon" type="image/jpeg" href="/public/img/meshLogo.jpg"> <base href="/"> <script> if (document.domain != "localhost") document.domain = "nlm.nih.gov"; var dcmsLinks = false, dcmsParam = dcmsLinks ? function (sep) { return sep + "dcmsLinks=true"; } : function ( ) { return "" ; }; </script> <!-- Google Tag Manager --> <script>(function(w,d,s,l,i){ var _fullPath = window.location.href; var urlParams = _fullPath.slice(_fullPath.indexOf('?') + 1).split('&'); var IsOpen = "false"; if (urlParams != undefined && urlParams != null && urlParams != "") { IsOpen = urlParams[0].split("=")[1]; } if (IsOpen == "false" || IsOpen == undefined || IsOpen != "true") { w[l]=w[l]||[];w[l].push({'gtm.start': new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0], j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src= 'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f); } })(window,document,'script','dataLayer','GTM-5QZ7KJZ');</script> <!-- End Google Tag Manager --> <!-- Google Tag Manager (noscript) --> <noscript><iframe sandbox src="https://www.googletagmanager.com/ns.html?id=GTM-5QZ7KJZ" height="0" width="0" style="display:none;visibility:hidden" title="googletagmanager"></iframe></noscript> <!-- End Google Tag Manager (noscript) --> <script src="/public/js/elemUtil.js"></script> <script src="/public/js/record.js" ></script> <script src="/public/js/treeDom.js" ></script> </head><body> <div> <header class="NLMheader"> <a href="https://www.nlm.nih.gov/"> <img height="80" alt="NLM Logo" src="https://www.nlm.nih.gov/images/NLM_White.png"> </a> <!--<img class="starLogo"src="/public/img/NLM_Star.png" alt="NLM Star">--> </header> <nav class="navbar navbar-default"> <div class="container-fluid"> <div class="navbar-header"> <button class="navbar-toggle collapsed" type="button" aria-expanded="false" onclick="toggleCollapse('bs-example-navbar-collapse-1')"> <span class="sr-only">Toggle navigation</span> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </button> <a class="navbar-brand" href="https://www.nlm.nih.gov/mesh/"> <img id="meshNavbarLogo" src="/public/img/meshLogo.jpg" alt="MeSH Logo"> </a> </div> <div id="bs-example-navbar-collapse-1" class="collapse navbar-collapse" aria-expanded="false"> <ul class="nav navbar-nav"> <li><a href="/" id="mainSearchButton">Search</a></li> <li><a href="/treeView">Tree View</a></li> <li><a href="/MeSHonDemand">MeSH on Demand</a> </li> <!--Delete the Span Tags after a few months, once MeSH on Demand is no longer new--> <li><a href="https://meshb-prev.nlm.nih.gov/" target="_blank">MeSH 2024</a></li> <li><a href="https://www.nlm.nih.gov/mesh/mbinfo.html" target="_blank">About</a></li> <li><a href="https://www.nlm.nih.gov/mesh/meshsugg.html" target="_blank">Suggestions</a> </li> <li><a href="https://support.nlm.nih.gov/support/create-case/" target="_blank">Contact Us</a></li> </ul> </div> </div> </nav> </div> <div class="container"> <h1>Central Nervous System Agents <small>MeSH Descriptor Data 2025</small></h1> <ul class="nav nav-tabs"> <li id="details" class="active" onclick="switchTab([ 'details', 'detailsTabContent' ])"> <a class="fakeLink">Details</a></li> <li id="qualifiers" onclick="switchTab([ 'qualifiers', 'qualifiersTabContent' ])"> <a class="fakeLink">Qualifiers</a></li> <li id="trees" onclick="switchTab([ 'trees', 'treesTabContent' ])"> <a class="fakeLink">MeSH Tree Structures</a></li> <li id="concepts" onclick="switchTab([ 'concepts', 'conceptsTabContent' ])"> <a class="fakeLink">Concepts</a></li> </ul> <div class="tab-content"><br> <div id="detailsTabContent" class="tab-pane active"> <dl id="descriptorDetails_CentralNervousSystemAgents" class="dl-horizontal"> <dt>MeSH Heading </dt> <dd>Central Nervous System Agents</dd> <dt>Tree Number(s)</dt> <dd><a id="treeNumber_0" onclick= "switchTab([ 'trees', 'treesTabContent' ])" >D27.505.954.427</a></dd> <dt>Unique ID</dt><dd>D002491</dd> <dt>RDF Unique Identifier</dt> <dd><a href="https://id.nlm.nih.gov/mesh/D002491.html"> http://id.nlm.nih.gov/mesh/D002491 </a></dd> <span id="annotation"> <dt>Annotation</dt><dd>general or unspecified; prefer specifics</dd> </span> <span id="scopeNote"> <dt>Scope Note</dt><dd>A class of drugs producing both physiological and psychological effects through a variety of mechanisms. They can be divided into specific agents, e.g., affecting an identifiable molecular mechanism unique to target cells bearing receptors for that agent, and nonspecific agents, those producing effects on different target cells and acting by diverse molecular mechanisms. Those with nonspecific mechanisms are generally further classed according to whether they produce behavioral depression or stimulation. Those with specific mechanisms are classed by locus of action or specific therapeutic use. (From Gilman AG, et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 8th ed, p252)</dd> </span> <dt>Entry Version</dt><dd>CNS AGENTS</dd> <dt>Entry Term(s)</dt> <dd> Central Nervous System Drugs </dd> <dt>Registry Numbers</dt> <dd>0</dd> <dt>NLM Classification #</dt> <dd>QV 76.5</dd> <dt>Public MeSH Note</dt><dd>79</dd> <dt>Online Note</dt><dd>consider also CENTRAL NERVOUS SYSTEM /DE &amp; BRAIN /DE</dd> <dt>History Note</dt><dd>79; was NON MESH before 1979</dd> <dt>Date Established</dt> <dd>1979/01/01</dd> <dt>Date of Entry</dt> <dd>1999/01/01</dd> <dt>Revision Date</dt> <dd>2005/08/15</dd> </dl> </div> <div id="qualifiersTabContent" class="tab-pane"> <dl class="dl-horizontal"> <br> <span id="allowableQualifiers"><dt>Allowable Qualifiers</dt><dd> <ul class="list-unstyled"> <li class="q"> <a href="/record/ui?ui=Q000008"> administration &amp; dosage (AD) </a></li> <li class="q"> <a href="/record/ui?ui=Q000009"> adverse effects (AE) </a></li> <li class="q"> <a href="/record/ui?ui=Q000819"> agonists (AG) </a></li> <li class="q"> <a href="/record/ui?ui=Q000032"> analysis (AN) </a></li> <li class="q"> <a href="/record/ui?ui=Q000037"> antagonists &amp; inhibitors (AI) </a></li> <li class="q"> <a href="/record/ui?ui=Q000097"> blood (BL) </a></li> <li class="q"> <a href="/record/ui?ui=Q000134"> cerebrospinal fluid (CF) </a></li> <li class="q"> <a href="/record/ui?ui=Q000138"> chemical synthesis (CS) </a></li> <li class="q"> <a href="/record/ui?ui=Q000737"> chemistry (CH) </a></li> <li class="q"> <a href="/record/ui?ui=Q000145"> classification (CL) </a></li> <li class="q"> <a href="/record/ui?ui=Q000191"> economics (EC) </a></li> <li class="q"> <a href="/record/ui?ui=Q000266"> history (HI) </a></li> <li class="q"> <a href="/record/ui?ui=Q000276"> immunology (IM) </a></li> <li class="q"> <a href="/record/ui?ui=Q000302"> isolation &amp; purification (IP) </a></li> <li class="q"> <a href="/record/ui?ui=Q000378"> metabolism (ME) </a></li> <li class="q"> <a href="/record/ui?ui=Q000493"> pharmacokinetics (PK) </a></li> <li class="q"> <a href="/record/ui?ui=Q000494"> pharmacology (PD) </a></li> <li class="q"> <a href="/record/ui?ui=Q000506"> poisoning (PO) </a></li> <li class="q"> <a href="/record/ui?ui=Q000528"> radiation effects (RE) </a></li> <li class="q"> <a href="/record/ui?ui=Q000592"> standards (ST) </a></li> <li class="q"> <a href="/record/ui?ui=Q000600"> supply &amp; distribution (SD) </a></li> <li class="q"> <a href="/record/ui?ui=Q000627"> therapeutic use (TU) </a></li> <li class="q"> <a href="/record/ui?ui=Q000633"> toxicity (TO) </a></li> <li class="q"> <a href="/record/ui?ui=Q000652"> urine (UR) </a></li> </ul></dd></span> </dl> </div><div id="treesTabContent" class="tab-pane"> <ul class="treeItem"> <li > <a id="tree_0_node_D27" href="/record/ui?ui=D020164" ><span>Chemical Actions and Uses [D27]</span> </a> <ul class="treeItem"> <li > <a id="tree_0_node_D27_505" href="/record/ui?ui=D020228" ><span>Pharmacologic Actions [D27.505]</span> </a> <ul class="treeItem"> <li > <a id="tree_0_node_D27_505_954" href="/record/ui?ui=D045506" ><span>Therapeutic Uses [D27.505.954]</span> </a> <ul class="treeItem"> <li > <a id="tree_0_node_D27_505_954_016" href="/record/ui?ui=D018926" ><span>Anti-Allergic Agents [D27.505.954.016]</span> </a> <i id="plus_Anti-Allergic_Agents" onclick="openTree(this)" class="fa fa-plus-circle treeCollapseExpand fakeLink" > </i> <i id="minus_Anti-Allergic_Agents" onclick="closeTree(this)" class="fa fa-minus-circle treeCollapseExpand fakeLink" style="display: none"> </i> </li> <li > <a id="tree_0_node_D27_505_954_069" href="/record/ui?ui=D000089502" ><span>Antiglaucoma Agents [D27.505.954.069]</span> </a> </li> <li > <a id="tree_0_node_D27_505_954_122" href="/record/ui?ui=D000890" ><span>Anti-Infective Agents [D27.505.954.122]</span> </a> <i id="plus_Anti-Infective_Agents" onclick="openTree(this)" class="fa fa-plus-circle treeCollapseExpand fakeLink" > </i> <i id="minus_Anti-Infective_Agents" onclick="closeTree(this)" class="fa fa-minus-circle treeCollapseExpand fakeLink" style="display: none"> </i> </li> <li > <a id="tree_0_node_D27_505_954_158" href="/record/ui?ui=D000893" ><span>Anti-Inflammatory Agents [D27.505.954.158]</span> </a> <i id="plus_Anti-Inflammatory_Agents" onclick="openTree(this)" class="fa fa-plus-circle treeCollapseExpand fakeLink" > </i> <i id="minus_Anti-Inflammatory_Agents" onclick="closeTree(this)" class="fa fa-minus-circle treeCollapseExpand fakeLink" style="display: none"> </i> </li> <li > <a id="tree_0_node_D27_505_954_203" href="/record/ui?ui=D019440" ><span>Anti-Obesity Agents [D27.505.954.203]</span> </a> <i id="plus_Anti-Obesity_Agents" onclick="openTree(this)" class="fa fa-plus-circle treeCollapseExpand fakeLink" > </i> <i id="minus_Anti-Obesity_Agents" onclick="closeTree(this)" class="fa fa-minus-circle treeCollapseExpand fakeLink" style="display: none"> </i> </li> <li > <a id="tree_0_node_D27_505_954_248" href="/record/ui?ui=D000970" ><span>Antineoplastic Agents [D27.505.954.248]</span> </a> <i id="plus_Antineoplastic_Agents" onclick="openTree(this)" class="fa fa-plus-circle treeCollapseExpand fakeLink" > </i> <i id="minus_Antineoplastic_Agents" onclick="closeTree(this)" class="fa fa-minus-circle treeCollapseExpand fakeLink" style="display: none"> </i> </li> <li > <a id="tree_0_node_D27_505_954_329" href="/record/ui?ui=D018501" ><span>Antirheumatic Agents [D27.505.954.329]</span> </a> <i id="plus_Antirheumatic_Agents" onclick="openTree(this)" class="fa fa-plus-circle treeCollapseExpand fakeLink" > </i> <i id="minus_Antirheumatic_Agents" onclick="closeTree(this)" class="fa fa-minus-circle treeCollapseExpand fakeLink" style="display: none"> </i> </li> <li > <a id="tree_0_node_D27_505_954_411" href="/record/ui?ui=D002317" ><span>Cardiovascular Agents [D27.505.954.411]</span> </a> <i id="plus_Cardiovascular_Agents" onclick="openTree(this)" class="fa fa-plus-circle treeCollapseExpand fakeLink" > </i> <i id="minus_Cardiovascular_Agents" onclick="closeTree(this)" class="fa fa-minus-circle treeCollapseExpand fakeLink" style="display: none"> </i> </li> <li > <a id="tree_0_node_D27_505_954_427" href="/record/ui?ui=D002491" ><strong>Central Nervous System Agents [D27.505.954.427]</strong> </a> <i id="plus_Central_Nervous_System_Agents" onclick="openTree(this)" class="fa fa-plus-circle treeCollapseExpand fakeLink" style="display: none"> </i> <i id="minus_Central_Nervous_System_Agents" onclick="closeTree(this)" class="fa fa-minus-circle treeCollapseExpand fakeLink" > </i> <ul class="treeItem"> <li > <a id="tree_0_node_D27_505_954_427_005" href="/record/ui?ui=D000075162" ><span>Abuse-Deterrent Formulations [D27.505.954.427.005]</span> </a> <i id="plus_Abuse-Deterrent_Formulations" onclick="openTree(this)" class="fa fa-plus-circle treeCollapseExpand fakeLink" > </i> <i id="minus_Abuse-Deterrent_Formulations" onclick="closeTree(this)" class="fa fa-minus-circle treeCollapseExpand fakeLink" style="display: none"> </i> </li> <li > <a id="tree_0_node_D27_505_954_427_010" href="/record/ui?ui=D000759" ><span>Adjuvants, Anesthesia [D27.505.954.427.010]</span> </a> </li> <li > <a id="tree_0_node_D27_505_954_427_020" href="/record/ui?ui=D000427" ><span>Alcohol Deterrents [D27.505.954.427.020]</span> </a> </li> <li > <a id="tree_0_node_D27_505_954_427_040" href="/record/ui?ui=D000700" ><span>Analgesics [D27.505.954.427.040]</span> </a> <i id="plus_Analgesics" onclick="openTree(this)" class="fa fa-plus-circle treeCollapseExpand fakeLink" > </i> <i id="minus_Analgesics" onclick="closeTree(this)" class="fa fa-minus-circle treeCollapseExpand fakeLink" style="display: none"> </i> </li> <li > <a id="tree_0_node_D27_505_954_427_080" href="/record/ui?ui=D000927" ><span>Anticonvulsants [D27.505.954.427.080]</span> </a> </li> <li > <a id="tree_0_node_D27_505_954_427_090" href="/record/ui?ui=D018726" ><span>Anti-Dyskinesia Agents [D27.505.954.427.090]</span> </a> <i id="plus_Anti-Dyskinesia_Agents" onclick="openTree(this)" class="fa fa-plus-circle treeCollapseExpand fakeLink" > </i> <i id="minus_Anti-Dyskinesia_Agents" onclick="closeTree(this)" class="fa fa-minus-circle treeCollapseExpand fakeLink" style="display: none"> </i> </li> <li > <a id="tree_0_node_D27_505_954_427_095" href="/record/ui?ui=D000932" ><span>Antiemetics [D27.505.954.427.095]</span> </a> </li> <li > <a id="tree_0_node_D27_505_954_427_153" href="/record/ui?ui=D000996" ><span>Antitussive Agents [D27.505.954.427.153]</span> </a> </li> <li > <a id="tree_0_node_D27_505_954_427_210" href="/record/ui?ui=D002492" ><span>Central Nervous System Depressants [D27.505.954.427.210]</span> </a> <i id="plus_Central_Nervous_System_Depressants" onclick="openTree(this)" class="fa fa-plus-circle treeCollapseExpand fakeLink" > </i> <i id="minus_Central_Nervous_System_Depressants" onclick="closeTree(this)" class="fa fa-minus-circle treeCollapseExpand fakeLink" style="display: none"> </i> </li> <li > <a id="tree_0_node_D27_505_954_427_220" href="/record/ui?ui=D000697" ><span>Central Nervous System Stimulants [D27.505.954.427.220]</span> </a> <i id="plus_Central_Nervous_System_Stimulants" onclick="openTree(this)" class="fa fa-plus-circle treeCollapseExpand fakeLink" > </i> <i id="minus_Central_Nervous_System_Stimulants" onclick="closeTree(this)" class="fa fa-minus-circle treeCollapseExpand fakeLink" style="display: none"> </i> </li> <li > <a id="tree_0_node_D27_505_954_427_270" href="/record/ui?ui=D004639" ><span>Emetics [D27.505.954.427.270]</span> </a> </li> <li > <a id="tree_0_node_D27_505_954_427_525" href="/record/ui?ui=D009125" ><span>Muscle Relaxants, Central [D27.505.954.427.525]</span> </a> </li> <li > <a id="tree_0_node_D27_505_954_427_550" href="/record/ui?ui=D009292" ><span>Narcotic Antagonists [D27.505.954.427.550]</span> </a> </li> <li > <a id="tree_0_node_D27_505_954_427_575" href="/record/ui?ui=D018696" ><span>Neuroprotective Agents [D27.505.954.427.575]</span> </a> </li> <li > <a id="tree_0_node_D27_505_954_427_637" href="/record/ui?ui=D018697" ><span>Nootropic Agents [D27.505.954.427.637]</span> </a> </li> <li > <a id="tree_0_node_D27_505_954_427_700" href="/record/ui?ui=D011619" ><span>Psychotropic Drugs [D27.505.954.427.700]</span> </a> <i id="plus_Psychotropic_Drugs" onclick="openTree(this)" class="fa fa-plus-circle treeCollapseExpand fakeLink" > </i> <i id="minus_Psychotropic_Drugs" onclick="closeTree(this)" class="fa fa-minus-circle treeCollapseExpand fakeLink" style="display: none"> </i> </li> </ul> </li> <li > <a id="tree_0_node_D27_505_954_444" href="/record/ui?ui=D003879" ><span>Dermatologic Agents [D27.505.954.444]</span> </a> <i id="plus_Dermatologic_Agents" onclick="openTree(this)" class="fa fa-plus-circle treeCollapseExpand fakeLink" > </i> <i id="minus_Dermatologic_Agents" onclick="closeTree(this)" class="fa fa-minus-circle treeCollapseExpand fakeLink" style="display: none"> </i> </li> <li > <a id="tree_0_node_D27_505_954_483" href="/record/ui?ui=D005765" ><span>Gastrointestinal Agents [D27.505.954.483]</span> </a> <i id="plus_Gastrointestinal_Agents" onclick="openTree(this)" class="fa fa-plus-circle treeCollapseExpand fakeLink" > </i> <i id="minus_Gastrointestinal_Agents" onclick="closeTree(this)" class="fa fa-minus-circle treeCollapseExpand fakeLink" style="display: none"> </i> </li> <li > <a id="tree_0_node_D27_505_954_493" href="/record/ui?ui=D000089162" ><span>Genitourinary Agents [D27.505.954.493]</span> </a> <i id="plus_Genitourinary_Agents" onclick="openTree(this)" class="fa fa-plus-circle treeCollapseExpand fakeLink" > </i> <i id="minus_Genitourinary_Agents" onclick="closeTree(this)" class="fa fa-minus-circle treeCollapseExpand fakeLink" style="display: none"> </i> </li> <li > <a id="tree_0_node_D27_505_954_502" href="/record/ui?ui=D006401" ><span>Hematologic Agents [D27.505.954.502]</span> </a> <i id="plus_Hematologic_Agents" onclick="openTree(this)" class="fa fa-plus-circle treeCollapseExpand fakeLink" > </i> <i id="minus_Hematologic_Agents" onclick="closeTree(this)" class="fa fa-minus-circle treeCollapseExpand fakeLink" style="display: none"> </i> </li> <li > <a id="tree_0_node_D27_505_954_557" href="/record/ui?ui=D057847" ><span>Lipid Regulating Agents [D27.505.954.557]</span> </a> <i id="plus_Lipid_Regulating_Agents" onclick="openTree(this)" class="fa fa-plus-circle treeCollapseExpand fakeLink" > </i> <i id="minus_Lipid_Regulating_Agents" onclick="closeTree(this)" class="fa fa-minus-circle treeCollapseExpand fakeLink" style="display: none"> </i> </li> <li > <a id="tree_0_node_D27_505_954_578" href="/record/ui?ui=D019999" ><span>Pharmaceutical Solutions [D27.505.954.578]</span> </a> <i id="plus_Pharmaceutical_Solutions" onclick="openTree(this)" class="fa fa-plus-circle treeCollapseExpand fakeLink" > </i> <i id="minus_Pharmaceutical_Solutions" onclick="closeTree(this)" class="fa fa-minus-circle treeCollapseExpand fakeLink" style="display: none"> </i> </li> <li > <a id="tree_0_node_D27_505_954_600" href="/record/ui?ui=D011838" ><span>Radiation-Sensitizing Agents [D27.505.954.600]</span> </a> <i id="plus_Radiation-Sensitizing_Agents" onclick="openTree(this)" class="fa fa-plus-circle treeCollapseExpand fakeLink" > </i> <i id="minus_Radiation-Sensitizing_Agents" onclick="closeTree(this)" class="fa fa-minus-circle treeCollapseExpand fakeLink" style="display: none"> </i> </li> <li > <a id="tree_0_node_D27_505_954_705" href="/record/ui?ui=D012102" ><span>Reproductive Control Agents [D27.505.954.705]</span> </a> <i id="plus_Reproductive_Control_Agents" onclick="openTree(this)" class="fa fa-plus-circle treeCollapseExpand fakeLink" > </i> <i id="minus_Reproductive_Control_Agents" onclick="closeTree(this)" class="fa fa-minus-circle treeCollapseExpand fakeLink" style="display: none"> </i> </li> <li > <a id="tree_0_node_D27_505_954_796" href="/record/ui?ui=D019141" ><span>Respiratory System Agents [D27.505.954.796]</span> </a> <i id="plus_Respiratory_System_Agents" onclick="openTree(this)" class="fa fa-plus-circle treeCollapseExpand fakeLink" > </i> <i id="minus_Respiratory_System_Agents" onclick="closeTree(this)" class="fa fa-minus-circle treeCollapseExpand fakeLink" style="display: none"> </i> </li> <li > <a id="tree_0_node_D27_505_954_803" href="/record/ui?ui=D000089322" ><span>Senotherapeutics [D27.505.954.803]</span> </a> </li> <li > <a id="tree_0_node_D27_505_954_810" href="/record/ui?ui=D000077444" ><span>Smoking Cessation Agents [D27.505.954.810]</span> </a> </li> <li > <a id="tree_0_node_D27_505_954_888" href="/record/ui?ui=D018758" ><span>Stimulants, Historical [D27.505.954.888]</span> </a> </li> </ul> </li> </ul> </li> </ul> </li> </ul> </div> <div id="conceptsTabContent" class="tab-pane"> <button id="ExpandAll" class="btn btn-default btn-sm pull-right" onclick="toggleConcepts()"> <span id="expandConcepts" > Expand All</span> <span id="collapseConcepts" style="display: none">Collapse All</span> </button> <div> <span id="Nightwatch_cp_0_0" onclick="toggleCollapse('cp_0_0', 'Nightwatch_cp_0_0')"> <a class="fakeLink"><b> Central Nervous System Agents <i>Preferred</i> </b></a></span> <div id="cp_0_0" class="collapse" style="display: none" aria-expanded="false"> <dl class="dl-horizontal"> <dt>Concept UI</dt><dd>M0003803</dd> <dt>Registry Numbers</dt> <dd>0</dd> <dt>Scope Note</dt><dd>A class of drugs producing both physiological and psychological effects through a variety of mechanisms. They can be divided into specific agents, e.g., affecting an identifiable molecular mechanism unique to target cells bearing receptors for that agent, and nonspecific agents, those producing effects on different target cells and acting by diverse molecular mechanisms. Those with nonspecific mechanisms are generally further classed according to whether they produce behavioral depression or stimulation. Those with specific mechanisms are classed by locus of action or specific therapeutic use. (From Gilman AG, et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 8th ed, p252)</dd> <dt>Terms</dt> <dd> <span id="Nightwatch_termName_0_0" onclick="toggleCollapse('termName_0_0', 'Nightwatch_termName_0_0')"> <a class="fakeLink"><b>Central Nervous System Agents</b></a></span> <i>Preferred Term</i> <div id="termName_0_0" class="collapse" style="display: none" aria-expanded="false"> <b class="conceptsTabTermHeading">Term UI</b> T007264<br> <b class="conceptsTabTermHeading">Date</b>01/01/1999<br> <b class="conceptsTabTermHeading">LexicalTag</b> NON<br> <b class="conceptsTabTermHeading">ThesaurusID</b> NLM (1979)<br> <br> </div> </dd> <dd> <span id="Nightwatch_termName_0_1" onclick="toggleCollapse('termName_0_1', 'Nightwatch_termName_0_1')"> <a class="fakeLink"><b>Central Nervous System Drugs</b></a></span> <div id="termName_0_1" class="collapse" style="display: none" aria-expanded="false"> <b class="conceptsTabTermHeading">Term UI</b> T007265<br> <b class="conceptsTabTermHeading">Date</b>04/01/1994<br> <b class="conceptsTabTermHeading">LexicalTag</b> NON<br> <b class="conceptsTabTermHeading">ThesaurusID</b> NLM (1995)<br> <br> </div> </dd> </dl></div> </div> </div></div> <small class="pull-right"> page delivered in 0.328s </small> </div> <footer class="footer"> <div class="container-fluid"><div class="container"> <div class="row"> <div class="col-md-3 col-sm-6"> <p><a href="https://www.nlm.nih.gov/socialmedia/index.html"> Connect with NLM </a></p> <ul class="list-inline"> <li> <a title="External link: please review our privacy policy." href="https://twitter.com/NLM_NIH"> <img src="https://www.nlm.nih.gov/images/Twitter_W.svg" alt="Twitter"> </a></li> <li> <a title="External link: please review our privacy policy." href="https://www.facebook.com/nationallibraryofmedicine" ><img src="https://www.nlm.nih.gov/images/Facebook_W.svg" alt="Facebook"> </a></li> <li> <a title="External link: please review our privacy policy." href="https://www.youtube.com/user/NLMNIH"> <img src="https://www.nlm.nih.gov/images/YouTube_W.svg" alt="You Tube"> </a></li> </ul> </div> <div class="col-md-3 col-sm-6"> <p>National Library of Medicine<br> <a href="https://www.google.com/maps/place/8600+Rockville+Pike,+Bethesda,+MD+20894/@38.9959508,-77.101021,17z/data=!3m1!4b1!4m5!3m4!1s0x89b7c95e25765ddb:0x19156f88b27635b8!8m2!3d38.9959508!4d-77.0988323"> 8600 Rockville Pike<br> Bethesda, MD 20894 </a> </p> </div> <div class="col-md-3 col-sm-6"> <p><a href="https://www.nlm.nih.gov/web_policies.html"> Web Policies </a><br> <a href="https://www.nih.gov/institutes-nih/nih-office-director/office-communications-public-liaison/freedom-information-act-office"> FOIA </a><br> <a href="https://www.hhs.gov/vulnerability-disclosure-policy/index.html"> HHS Vulnerability Disclosure </a></p> </div> <div class="col-md-3 col-sm-6"> <p><a href= "https://support.nlm.nih.gov?from=https://www.nlm.nih.gov/"> NLM Support Center </a><br> <a href="https://www.nlm.nih.gov/accessibility.html"> Accessibility </a><br> <a href="https://www.nlm.nih.gov/careers/careers.html"> Careers </a></p> </div> </div> <div class="row"> <div class="col-lg-12"> <p class="text-center"> <a href="https://www.nlm.nih.gov/">NLM</a> | <a href="https://www.nih.gov/">NIH</a> | <a href="https://www.hhs.gov/">HHS</a> | <a href="https://www.usa.gov/">USA.gov</a></p> </div> </div> </div></div> <!--BEGIN QUALTRICS WEBSITE FEEDBACK SNIPPET--> <script type='text/javascript'> (function(){var g=function(e,h,f,g){ this.get=function(a){for(var a=a+"=",c=document.cookie.split(";"),b=0,e=c.length;b<e;b++){for(var d=c[b];" "==d.charAt(0);)d=d.substring(1,d.length);if(0==d.indexOf(a))return d.substring(a.length,d.length)}return null}; this.set=function(a,c){var b="",b=new Date;b.setTime(b.getTime()+6048E5);b="; expires="+b.toGMTString();document.cookie=a+"="+c+b+"; path=/; "}; this.check=function(){var a=this.get(f);if(a)a=a.split(":");else if(100!=e)"v"==h&&(e=Math.random()>=e/100?0:100),a=[h,e,0],this.set(f,a.join(":"));else return!0;var c=a[1];if(100==c)return!0;switch(a[0]){case "v":return!1;case "r":return c=a[2]%Math.floor(100/c),a[2]++,this.set(f,a.join(":")),!c}return!0}; this.go=function(){if(this.check()){var a=document.createElement("script");a.type="text/javascript";a.src=g;document.body&&document.body.appendChild(a)}}; this.start=function(){var t=this;"complete"!==document.readyState?window.addEventListener?window.addEventListener("load",function(){t.go()},!1):window.attachEvent&&window.attachEvent("onload",function(){t.go()}):t.go()};}; try{(new g(100,"r","QSI_S_ZN_cwOHfLkxRr4n4W2","https://zncwohflkxrr4n4w2-nlmenterprise.siteintercept.qualtrics.com/SIE/?Q_ZID=ZN_cwOHfLkxRr4n4W2")).start()}catch(i){}})(); </script><div id='ZN_cwOHfLkxRr4n4W2'><!--DO NOT REMOVE-CONTENTS PLACED HERE--></div> <!--END WEBSITE FEEDBACK SNIPPET--> </footer> </body></html>

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