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<title>Marginal sinus</title>
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<span id="openzim-page-title" class="mw-page-title-main"><span class="mw-page-title-main">Marginal sinus</span></span>
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</style><table class="infobox"><tbody><tr><th colspan="2" class="infobox-above" style="background-color:lightblue">Marginal sinus</th></tr><tr><th colspan="2" class="infobox-header" style="background-color: #efefef">Details</th></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.25em">Drains to</th><td class="infobox-data"><a href="Sigmoid_sinus" title="Sigmoid sinus">Sigmoid sinus</a>, or jugular bulb</td></tr><tr><th colspan="2" class="infobox-header" style="background-color: #efefef">Identifiers</th></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.25em"><a href="Latin" title="Latin">Latin</a></th><td class="infobox-data"><i>sinus marginalis<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></i></td></tr><tr><td colspan="2" class="infobox-below"><a href="Anatomical_terminology" title="Anatomical terminology">Anatomical terminology</a><div style="text-align: right;"></div></td></tr></tbody></table>
<p>The <b>marginal sinus</b> is a <a href="Dural_venous_sinuses" title="Dural venous sinuses">dural venous sinus</a> surrounding the margin of the <a href="Foramen_magnum" title="Foramen magnum">foramen magnum</a> inside the skull,<sup id="cite_ref-:0_2-0" class="reference"><a href="#cite_note-:0-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> accommodated by the groove for marginal sinus.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> It usually drains into either the <a href="Sigmoid_sinus" title="Sigmoid sinus">sigmoid sinus</a>, or the jugular bulb. It communicates with the <a href="Basilar_plexus" class="mw-redirect" title="Basilar plexus">basilar venous plexus</a> anteriorly, and the <a href="Occipital_sinus" title="Occipital sinus">occipital sinus</a> posteriorly (the posterior union of the left and the right marginal sinus usually representing the commencement of the occipital sinus<sup id="cite_ref-:0_2-1" class="reference"><a href="#cite_note-:0-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>); it may form extracranial communications with the <a href="Internal_vertebral_venous_plexuses" title="Internal vertebral venous plexuses">internal vertebral venous plexuses</a>, or <a href="Deep_cervical_vein" title="Deep cervical vein">deep cervical veins</a>.<sup id="cite_ref-:224_4-0" class="reference"><a href="#cite_note-:224-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup>
</p>
<div class="mw-heading mw-heading2"><h2 id="Clinical_significance">Clinical significance</h2></div>
<p><a href="Arteriovenous_fistula" title="Arteriovenous fistula">Arteriovenous fistulas</a> involving the marginal sinus have been described - often following <a href="Basilar_skull_fracture" title="Basilar skull fracture">basilar skull fractures</a>.<sup id="cite_ref-:0_2-2" class="reference"><a href="#cite_note-:0-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>
</p><p>The marginal sinus must be traversed during surgical entry into subdural space deep to the foramen magnum.<sup id="cite_ref-:0_2-3" class="reference"><a href="#cite_note-:0-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>
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<div class="mw-heading mw-heading2"><h2 id="References">References</h2></div>
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</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.terminologia-anatomica.org/en/Terms/Occurence/4626">"Anatonomina"</a>. <i>www.terminologia-anatomica.org</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2023-03-10</span></span>.</cite></span>
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<li id="cite_note-:0-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-:0_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:0_2-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-:0_2-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-:0_2-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text"><cite id="CITEREFShane_Tubbs2020" class="citation cs2">Shane Tubbs, R. (2020-01-01), Tubbs, R. Shane (ed.), <a rel="nofollow" class="external text" href="https://www.sciencedirect.com/science/article/pii/B9780323653770000143">"Chapter 14 - The Marginal Sinus"</a>, <i>Anatomy, Imaging and Surgery of the Intracranial Dural Venous Sinuses</i>, Philadelphia: Elsevier, pp.&nbsp;<span class="nowrap">131–</span>133, <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>978-0-323-65377-0</bdi><span class="reference-accessdate">, retrieved <span class="nowrap">2023-03-10</span></span></cite></span>
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<li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://medical-dictionary.thefreedictionary.com/sulcus+sinus+marginalis">"sulcus sinus marginalis"</a>. <i>TheFreeDictionary.com</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2023-03-10</span></span>.</cite></span>
</li>
<li id="cite_note-:224-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-:224_4-0">^</a></b></span> <span class="reference-text"><cite id="CITEREFStandring2020" class="citation book cs1">Standring, Susan (2020). <i>Gray's Anatomy: The Anatomical Basis of Clinical Practice</i> (42th&nbsp;ed.). New York. p.&nbsp;404. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&nbsp;<bdi>978-0-7020-7707-4</bdi>. <a href="OCLC_(identifier)" class="mw-redirect" title="OCLC (identifier)">OCLC</a>&nbsp;<a rel="nofollow" class="external text" href="https://search.worldcat.org/oclc/1201341621">1201341621</a>.</cite><span class="cs1-maint citation-comment"><code class="cs1-code">{{cite book}}</code>: CS1 maint: location missing publisher (link)</span></span>
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</style><div id="Veins_of_the_head_and_neck173" style="font-size:114%;margin:0 4em"><a href="Vein" title="Vein">Veins</a> of the <a href="Human_head" title="Human head">head</a> and <a href="Neck" title="Neck">neck</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="External_jugular_vein" title="External jugular vein">External jugular</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Retromandibular_vein" title="Retromandibular vein">Retromandibular</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Maxillary_veins" class="mw-redirect" title="Maxillary veins">maxillary</a>
<ul><li><a href="Pterygoid_plexus" title="Pterygoid plexus">pterygoid plexus</a></li></ul></li>
<li><a href="Superficial_temporal_vein" title="Superficial temporal vein">superficial temporal</a>
<ul><li><a href="Anterior_auricular_veins" title="Anterior auricular veins">anterior auricular</a></li></ul></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Direct</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Posterior_auricular_vein" title="Posterior auricular vein">posterior auricular</a></li>
<li><a href="Transverse_cervical_veins" title="Transverse cervical veins">transverse cervical</a></li>
<li><a href="Suprascapular_vein" title="Suprascapular vein">suprascapular</a></li>
<li><a href="Anterior_jugular_vein" title="Anterior jugular vein">anterior jugular</a>
<ul><li><a href="Jugular_venous_arch" title="Jugular venous arch">jugular venous arch</a></li></ul></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Internal_jugular_vein" title="Internal jugular vein">Internal jugular</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Diploic_veins" title="Diploic veins">Diploic</a>/<a href="Human_brain" title="Human brain">brain</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Cerebral_veins" title="Cerebral veins">Cerebral</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Superficial_cerebral_veins" title="Superficial cerebral veins">Superficial</a>:</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Superior_cerebral_veins" title="Superior cerebral veins">superior</a></li>
<li><a href="Superficial_middle_cerebral_vein" class="mw-redirect" title="Superficial middle cerebral vein">superficial middle</a></li>
<li><a href="Inferior_cerebral_veins" title="Inferior cerebral veins">inferior</a></li>
<li><a href="Inferior_anastomotic_vein" title="Inferior anastomotic vein">inferior anastomotic</a> (Labbé)</li>
<li><a href="Superior_anastomotic_vein" title="Superior anastomotic vein">superior anastomotic</a> (Trolard)</li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Deep_cerebral_veins" title="Deep cerebral veins">Deep</a>:</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Great_cerebral_vein" title="Great cerebral vein">great</a></li>
<li><a href="Internal_cerebral_veins" title="Internal cerebral veins">internal</a>
<ul><li><a href="Basal_vein" title="Basal vein">basal</a></li>
<li><a href="Deep_middle_cerebral_vein" class="mw-redirect" title="Deep middle cerebral vein">deep middle</a></li>
<li><a href="Superior_thalamostriate_vein" title="Superior thalamostriate vein">superior thalamostriate</a></li>
<li><a href="Choroid_veins" title="Choroid veins">choroid</a></li>
<li><a href="Septal_veins" title="Septal veins">septal</a></li></ul></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Cerebellar_veins" title="Cerebellar veins">Cerebellar</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Superior_cerebellar_veins" class="mw-redirect" title="Superior cerebellar veins">superior</a></li>
<li><a href="Inferior_cerebellar_veins" class="mw-redirect" title="Inferior cerebellar veins">inferior</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Dural_venous_sinuses" title="Dural venous sinuses">Sinuses</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">To <a href="Confluence_of_sinuses" title="Confluence of sinuses">COS</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Superior_sagittal_sinus" title="Superior sagittal sinus">superior sagittal</a></li>
<li><a href="Straight_sinus" title="Straight sinus">straight</a>
<ul><li><a href="Inferior_sagittal_sinus" title="Inferior sagittal sinus">inferior sagittal</a></li></ul></li>
<li><a href="Occipital_sinus" title="Occipital sinus">occipital</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">To <a href="Cavernous_sinus" title="Cavernous sinus">CS</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Sphenoparietal_sinus" title="Sphenoparietal sinus">sphenoparietal</a></li>
<li><a href="Intercavernous_sinuses" title="Intercavernous sinuses">intercavernous</a></li>
<li><a href="Superior_ophthalmic_vein" title="Superior ophthalmic vein">superior ophthalmic</a>
<ul><li><a href="Ethmoidal_veins" title="Ethmoidal veins">ethmoidal</a></li>
<li><a href="Central_retinal_vein" title="Central retinal vein">central retinal</a></li>
<li><a href="Nasofrontal_vein" title="Nasofrontal vein">nasofrontal</a></li>
<li><a href="Vorticose_veins" title="Vorticose veins">vorticose veins</a></li></ul></li>
<li><a href="Inferior_ophthalmic_vein" title="Inferior ophthalmic vein">inferior ophthalmic</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">To <a href="Internal_jugular_vein" title="Internal jugular vein">IJV</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Sigmoid_sinus" title="Sigmoid sinus">sigmoid</a>: <a href="Transverse_sinuses" title="Transverse sinuses">transverse</a>
<ul><li><a href="Petrosquamous_sinus" title="Petrosquamous sinus">petrosquamous</a></li></ul></li>
<li><a href="Superior_petrosal_sinus" title="Superior petrosal sinus">superior petrosal</a></li>
<li><a href="Inferior_petrosal_sinus" title="Inferior petrosal sinus">inferior petrosal</a>
<ul><li><a href="Basilar_plexus" class="mw-redirect" title="Basilar plexus">basilar plexus</a></li>
<li><a href="Internal_auditory_veins" title="Internal auditory veins">internal auditory veins</a></li></ul></li>
<li><a href="Condylar_emissary_vein" title="Condylar emissary vein">condylar</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Facial_vein" title="Facial vein">Facial</a>/<a href="Common_facial_vein" title="Common facial vein">common facial</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Frontal_vein" title="Frontal vein">frontal</a></li>
<li><a href="Supraorbital_vein" title="Supraorbital vein">supraorbital</a></li>
<li><a href="Angular_vein" title="Angular vein">angular</a></li>
<li><a href="Superior_labial_vein" title="Superior labial vein">superior labial</a></li>
<li><a href="Inferior_labial_vein" title="Inferior labial vein">inferior labial</a></li>
<li><a href="Deep_facial_vein" title="Deep facial vein">deep facial</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Direct</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Lingual_veins" title="Lingual veins">lingual</a>
<ul><li><a href="Dorsal_lingual_veins" title="Dorsal lingual veins">dorsal lingual</a></li>
<li><a href="Deep_lingual_vein" title="Deep lingual vein">deep lingual</a></li>
<li><a href="Sublingual_vein" title="Sublingual vein">sublingual</a></li></ul></li>
<li><a href="Pharyngeal_veins" title="Pharyngeal veins">pharyngeal</a></li>
<li><a href="Superior_thyroid_vein" title="Superior thyroid vein">superior thyroid</a>
<ul><li><a href="Superior_laryngeal_vein" title="Superior laryngeal vein">superior laryngeal</a></li></ul></li>
<li><a href="Middle_thyroid_vein" title="Middle thyroid vein">middle thyroid</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Brachiocephalic_vein" title="Brachiocephalic vein">Brachiocephalic</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Vertebral_vein" title="Vertebral vein">Vertebral</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Occipital_vein" title="Occipital vein">occipital</a>
<ul><li><a href="Occipital_emissary_vein" title="Occipital emissary vein">occipital emissary</a></li></ul></li>
<li><a href="Suboccipital_venous_plexus" title="Suboccipital venous plexus">suboccipital venous plexus</a></li>
<li><a href="Deep_cervical_vein" title="Deep cervical vein">deep cervical</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Direct</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Inferior_thyroid_veins" title="Inferior thyroid veins">inferior thyroid</a>
<ul><li><a href="Inferior_laryngeal_vein" title="Inferior laryngeal vein">inferior laryngeal</a></li></ul></li>
<li><a href="Thymic_veins" title="Thymic veins">thymic</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr></tbody></table></div>
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