Keywords
central nervous system,CNS,ventral,inferior,brainstem,supine,laying down,on back,belly,mouse,murine,circle of willis,willis' circle,loop of willis,cerebral arterial circle,willis polygon,anterior cerebral artery,ACA,anterior communicating artery ,internal carotid artery,ICA,posterior cerebral artery,PCA,posterior communicating artery,middle cerebral artery,MCA,ECA,BA,VA,SCA,PPA,artery,arteries,vessels,vessel,circulation,circulatory system,CCA,mouse brain,mouse ventral brain,mouse inferior brain,mice,mus musculus