Foramen magnum structures passing through it

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📌𝐅𝐨𝐥𝐥𝐨𝐰 𝐨𝐧 𝐈𝐧𝐬𝐭𝐚𝐠𝐫𝐚𝐦 :- / drgbhanuprakash • Structures passing through foramina and fissures of the Skull • Foramen caecum : Emissary veins • Olfactory foramina : Olfactory nerve • Optic canal: Optic nerve (CNII), ophthalmic artery, dural sheath of optic nerve • Superior orbital fissure: Oculomotor nerve (CNIII), trochlear nerve (CN IV), ophthalmic division of the trigeminal nerve (CNV1), abducent nerve (CNVI), ophthalmic veins • Foramen rotundum: Maxillary division of the trigeminal nerve (CN V2) • Foramen ovale: Mandibular division of the trigeminal nerve (CN V3), accessory meningeal branch of maxillary artery, emissary vein (, lesser petrosal nerve) • Foramen spinosum: Middle meningeal artery • Foramen lacerum : Greater petrosal nerve • Carotid canal: Internal carotid artery • Internal acoustic foramen: Facial nerve (CNVII), Vestibulocochlear nerve (CNVIII) • Jugular foramen: Glossopharyngeal nerve (CNIX), vagus nerve (CNX), descending portion of the spinal accessory nerve (CNXI), internal jugular vein • Hypoglossal canal: Hypoglossal nerve (CNXII) • Foramen magnum: Brainstem/spinal cord, vertebral arteries, ascending portion of the spinal accessory nerve (CNXI) • #foramenofskull #foraminaofskull #skullforamina #foramenofskull #anatomy #anatomyvideos #animatedanatomy #anatomyusmle #mbbs1styear #mbbslectures #mbbsvideos #neetpg #usmlestep1 #usmle

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