3D Embryology of Ear Part 1: Internal Ear - Semicircular Canals - Utricle, Saccule and Cochlea

In this visual medical lecture, Dr. Aizaz from MedicoVisual talks about development of Ear with special emphasis on the embryology of internal ear including cochlea, vestibule, semicircular canals, utricle, saccule.
Development of inner ear starts with the thickening of surface ectoderm at the level of hindbrain that is called Otic placode. It then invaginates inwards into the underlying Mesenchyme and loses its connection with the surface ectoderm to form the auditory vesicle. This vesicle then divides into ventral and dorsal parts. A snake like extension arises from the ventral swelling that twists like a snail to form the cochlea and the remaining part of the swelling forms the saccule.
From the dorsal swelling two flat discs arise. Their central portions become apposed and is ultimately destroyed to form two canals called semicircular canals. Later, horizontal semicircular canal also forms through the similar process. The remaining part forms utricle. An extension of the utricle forms the endolymphatic duct. A condensation of Mesenchyme forms the spiral ganglia and vestibular ganglia. This condensation is hypothesized to have arisen from the medial wall of the auditory vesicle.

[@MedicoVisual]

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[@islammokhtar2926]

You're one of the best things that ever happened to my medical education journey, I hope you continue to cover more topics in medicine

[@mariaeduardavilela6293]

This video was amazing!! I've been struggling to understand this for such a long time and you made it sound so simple. Thank you so much and I'm sending love from Brasil!! Beijossss

[@faraizani1701]

May God repay your good deed sir, embryology needs serious visualisation to understand thank you

[@MedicoVisual]

This is the edited version of the live lecture that I did a few days back. I have trimmed down the 1hr+ video to 45 minutes by removing unnecessary pauses and stuff like that.

[@ashiqhussain6956]

Amazing lecture ❤

[@vincentpinto1127]

Remarkable attention to otocyst orientation with respect to adjacent structures so we dont get lost in 3d to 2d space and vice verse!!! And all of the subsequent difficult visual artistry!! Lecture while doing screen manipulation is absolutely riveting!!!

[@angelmonkey7493]

One of the Most underrated channels

[@areej_jay]

so i have my send up in two days but i'ld prefer watching these videos over the 4 min short cut videos, each and every sec of this video is worth it

[@Vedant_Bhatt_0807]

The way you explain is mesmerising

[@charanborra942]

Really superb…best videos on embryology 👏👏👌

[@no-oq2wy]

The way you spell wrong and then correct it, it helps me to memorize more thanks the video was fantastic ❤😊

[@user-xt5tf4mh2o]

This is
GREAT❤

[@stupid3796]

Thank you

[@mijanurrahaman7338]

❤❤❤

[@user-wb6tf5io9i]

What software do you use sir

[@MedicoVisual]

Blender 3D + Microsoft PowerPoint