The presence of the skull hinders photoacoustic imaging from being used for brain imaging. In order to understand the mechanism of photoacoustic signal generation of cerebrovascular in the presence of skull. a photoacoustic model of cerebrovascular was established by using COMSOL Multiphysics to achieve the visualization of the whole process of the generation and transmission of the c... https://thebrickes.shop/product-category/bicycle-trainers/