Oral Biology | Oral Mucous Membrane (fully clarified)

The whole chapter has been clarified in this video.
The others are just for quick clarification for the students.
ذا المقطع فيه شرح تفصيلي ووافي للاورال ميوكوزا .. البقية بس سواها كشرح مختصر فقط والتفصيل هنا.