Elliptical and semioval cross sections were postulated at the bend regions and compared.
Sumesh Sasidharan, Veerappan Arunachalam, Shanmugam Subramaniam 2017, 'Ramifications of Structural Deformations on Collapse Loads of Critically Cracked PipeBends Under In-Plane Bending and Internal Pressure', Nuclear Engineering and Technologyhttp://www.sciencedirect.com/science/article/pii/S1738573316301590. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
They are localized within the semioval center, thalamus, basal ganglia and pons.
Dragan Stojanov, Slobodan Vojinovic, Aleksandra Aracki-Trenkic, Aleksandar Tasic,Daniela Benedeto-Stojanov, Srdjan Ljubisavljevic, Sasa Vujnovic 2015, 'Imaging Characteristics of Cerebral Autosomal Dominant Arteriopathy with SubcorticalInfarcts and Leucoencephalopathy (CADASIL)', Bosnian Journal of Basic Medical Scienceshttps://bjbms.org/ojs/index.php/bjbms/article/view/247. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)