Structures passing through foramina and fissures of the Skull

📌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)

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