Lecture On Base Of The Skull

In this lecture boundaries, foramina and the structures transmitted through the foramina of anterior, middle and posterior cranial fossa have been described.
Dear students there are three semicircular canals...anterior (superior), posterior and lateral. But I have uttered anterior, posterior and superior. Actually anterior canal is also termed as superior semicircular canal.
Through posterior compartment of the foramen magnum spinal roots of the accessory nerves are transmitted.

[@sbmcu]

Foramina at the Base of the Skull:
Cribriform plate of ethmoid bone:
Olfactory Nerve (From Olfactory Mucosa)
Optic Canal:
Optic Nerve (Purely Sensory)
Ophthalmic Artery branch of Internal Carotid Artery
Crista galli:
Ethmoidal Vessel and Nerves
Foramen Cecum:
Emissary veins
Foramen Rotundum: (1)
Maxillary nerve
Foramen Ovale: (2)
Mandibular Nerve
Lesser Petrosal Nerve
Emissary vein
Foramen Spinosum: (3)
Middle meningeal artery and vein
Emissary vein
Nervous Spinosum
Carotid Canal:
Internal Carotid Artery
Jugular Foramen:
IX, X, XI Nerves
Internal Jugular Veins
Hypoglossal Canal:
XII Nerve
Stylomastoid Foramen:
VII Nerve
Foramen Magnum:
Anterior Part:
Apical ligament of dens
Membrana Tectoria
Vertical band of cruciate ligaments
Intermediate:
Spinal artery
Spinal part of accessory nerve
Vertebral artery and sympathetic plexus surrounding it
Posterior part:
Medulla lower part
Cerebellar tonsils
Meninges
Internal Acoustic Meatus:
Facial nerve
Nerves Intermedius
Labyrinthine vessels
Vestibulocochlear nerve
Mastoid Foramen:
Emissary Vein
Condylar Canal:
Emissary Vein
Ref: This Video + BD Chaurasia

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But onak critical akta topic onak easily bojha gelo 🥰

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Madam আপনার ভিডিও গুলো পরীক্ষার জন্য খুবই উপকারী , আপনি lecture গুলো পুরো english এ বললে আপনার indian viewer দের খুব সুবিধা হতো
ভালোবাসা নেবেন
Soumyadip Das
1st prof student ,
Medical College Kolkata
West Bengal

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14:50 superior orbital fissure

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5:38 💀 6:00

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Mam cranial nerve গুলো কি base of the skull er foramen দিয়ে বের হয় নাকি ঢুকে.... kindly ektu bolben plz mam

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