The purpose of the bond is to protect the beneficiaries or creditors of the estate from harm caused by the malfeasance or negligence of the executor or administrator. In California, a probate court bond is issued to administrators, executors, conservators and guardians in probate estates.
Consequently, an efficient system had to be established in order to allow blood to leave the restricted compartment. The venous drainage of the brain does not follow the arteries of the brain. Instead, they drain to the dural sinuses, which subsequently drain to the internal jugular vein. Generally, the walls of these drainage pathways are formed by visceral periosteum and dural reflection, both lined with endothelium.
blood from the body enters the right atrium via the superior vena cava (upper body) and inferior vena cava (lower body). A coronary sinus also drains into the right atrium bringing blood from the heart itself. The right atrium squeezes blood through the atrioventricular (AV) opening into the muscular right ventricle.