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

Parietal bone - These paired bone Flat bone Feature - Surfaces - External & Internal Borders - Anterior, Posterior, Superior & Inferior Angles - Antero superior, Antero inferior, Postero superior & Posteroinferior. External Surface presents Parietal tuber, temporal lines, parietal foramen Internal surface shows vascular markings of middle meningeal vessels, impressions of gyri Superior border presents sulcus for superior sagittal sinus posteroinferior angle presents groove for sigmoid sinus Two lines corresponding to central sulcus and Posterior ramus of lateral sulcus can be drawn on the internal surface Anterior border articulates with Frontal bone Posterior Border articulates with Occipital bone Superior border articulates with opposite side parietal bone Inferior border articulates with greater wing of sphenoid, squamous part & mastoid part of temporal bone Anteriosuperior angle forms bregma Posterosuperior angle forms lambda Anteroinferior angle forms pterion Posteroinferior angle forms asterion Twitter -   / drspgeetha1   Website - https://human-anatomy-lessons.busines... Follow me in blogspot - https://human-anatomylessons.blogspot... _________________________________________________________________________________________________________________ Visit my blogs - https://humananatomyonline.in/ Contact me @ https://t.me/humananatomylessons