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<h2 id="skull">Skull</h2> <p>The <a href="/facts/Skull/A9Wp63Np">skulls</a> of <a href="/facts/Vertebrates/tT54FSTT">vertebrates</a> have foramina through which <a href="/facts/Nerves/q7GsAfYV">nerves</a>, <a href="/facts/Arteries/Y1Yj0jat">arteries</a>, <a href="/facts/Veins/I6ycr6gF">veins</a>, and other structures pass. The <a href="/facts/Human_skull/A9Wp63Np">human skull</a> has many foramina, collectively referred to as the cranial foramina. <a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a> </p> <h2 id="spine">Spine</h2> <p class="note">Main article: <a href="/facts/Intervertebral_foramina/dz7LYNt8">Intervertebral foramina</a></p> <p>Within the <a href="/facts/Vertebral_column/Nuw1kV7o">vertebral column</a> (spine) of vertebrates, including the <a href="/facts/Human_vertebral_column/Nuw1kV7o">human spine</a>, each bone has an opening at both its top and bottom to allow nerves, arteries, veins, etc. to pass through. </p> <h2 id="other">Other</h2> <ul><li><a href="/facts/Apical_foramen/oasGgxm6">Apical foramen</a>, the hole at the tip of the root of a tooth</li> <li><a href="/facts/Foramen_ovale_(heart)/LJFInDLv">Foramen ovale (heart)</a>, a hole between the venous and arterial sides of the fetal heart</li> <li><a href="/facts/Vertebra/qAdLhD5H">Transverse foramen</a>, one of a pair of openings in each cervical vertebra, in which the vertebral artery travels</li> <li><a href="/facts/Greater_sciatic_foramen/c26g5kFs">Greater sciatic foramen</a>, a major foramen of the pelvis</li> <li><a href="/facts/Interventricular_foramina_(neuroanatomy)/9NkdN6vc">Interventricular foramina</a>, channels connecting ventricles in the brain</li> <li><a href="/facts/Lesser_sciatic_foramen/ff089W8I">Lesser sciatic foramen</a>, an opening between the pelvis and the posterior thigh</li> <li><a href="/facts/Obturator_foramen/5x1CnUYB">Obturator foramen</a>, the hole created by the ischium and pubis bones of the pelvis</li> <li><a href="/facts/Omental_foramen/2uLIa2nH">Omental foramen</a>, the connecting opening between the <a href="/facts/Greater_sac/VYFd72vM">greater sac</a> and the <a href="/facts/Lesser_sac/LfDJEJc1">lesser sac</a> in the <a href="/facts/Abdominal_cavity/S2XdDfFv">abdominal cavity</a>.</li> <li><a href="/facts/Sacrum/CTFnjSm0">Sacral foramina</a>, which perforate the vertebral canal from the Sacrum (sacral bone), and through which the <a href="/facts/Sacral_nerve/qBQyUIKh">sacral nerves</a> pass.</li> <li><a href="/facts/Vertebral_foramen/SqesBy4k">Vertebral foramen</a>, the foramen formed by the anterior segment (the body), and the posterior part, the vertebral arch.</li> <li><a href="/facts/Foramen_of_Panizza/qL4dwMbJ">Foramen of Panizza</a>, a hole connecting two aortas just after they leave the heart in crocodiles.</li></ul> <h2 id="see-also">See also</h2> <ul><li><a href="/facts/Eta_Carinae/zsrmE2Lo">Eta Carinae</a></li> <li><a href="/facts/Fossa_(disambiguation)/w7c4EqWA">Fossa (disambiguation)</a></li> <li><a href="/facts/Skeleton/FXc9Y2lF">Skeleton</a></li> <li><a href="/facts/Foraminifera/8Yo9cPTI">Foraminifera</a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>OED 2nd edition, 1989. <a href="/wiki/OED" target="_blank">/wiki/OED</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Entry "foramen" in Merriam-Webster Online Dictionary. <a href="http://www.merriam-webster.com/dictionary/foramen" target="_blank">http://www.merriam-webster.com/dictionary/foramen</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>"Cranial Foramina - Foramen Ovale - Skull - TeachMeAnatomy". teachmeanatomy.info. Retrieved 2023-05-27. <a href="https://teachmeanatomy.info/head/osteology/cranial-foramina/" target="_blank">https://teachmeanatomy.info/head/osteology/cranial-foramina/</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> </ol>