hōʻike kikoʻī ke kumu hoʻohālike i ke ʻano o ke keʻa o ka ʻewalu thoracic vertebrae.E like me ke kūlana anatomical maʻamau, ua palahalaha ka mediastinum e hana i kahi hoʻolālā cross-sectional, e hōʻike ana i ka pilina cross-sectional o ka māwae māmā, nā aʻa, nā veins, a me ka bronchi, pleura, nā ʻiʻo intercostal a ʻO nā ʻiʻo o mua a hema. hiki ke hōʻike i ke ʻano a me ka pilina pili o ke kuamoʻo a me ke kuamoʻo ma o kēia mokulele, a hiki ke hōʻike ʻia ka atria hema a me ka ʻākau a me nā ventricle ma mua.