Osteology of Head & Neck - Occipital Bone #Anatomy #mbbs #bds #education

The Occipital Bone It has 3 Parts Squamous Part Basilar part Condylar part Squamous part - expanded part has 2 surfaces, 4 borders, 3 angles External surface - presents External occipital protuberance 3 Nuchal lines External occipital crest Internal Surface presents Internal occipital protuberance Internal occipital crest 4 fossae 4 Sulci Basilar Part presents 3 surfaces and 2 borders Anterior surface - joins with basi sphenoid forming primary cartilaginous joint Inferior surface presents pharyngeal tubercle Superior surface presents clivus which supports pons & upper part of medulla oblongata Condylar part has condylar part proper and jugular process Occipital condyles anterior or hypoglossal canal posterior condylar fossa with canal Jugular process forms the posterior boundary for jugular foramen Its lateral margin articulates with petrous part of temporal bone by a primary cartilaginous joint. These primary cartilaginous joints helps in the growth of the skull. Twitter link:   / drspgeetha1   Video Prepared by Dr. S.P.Geetha (M.D.Anatomy) Website - human-anatomy-lessons.business.site Follow me in blogspot - https://human-anatomylessons.blogspot... _________________________________________________________________________________________________________________ Visit my blogs - https://humananatomyonline.in/ Contact me @ https://t.me/humananatomylessons