Vein limbs. The Thebesian veins within the myocardium of the heart are valveless veins that drain directly into the chambers of the heart. The coronary veins all empty into the coronary sinus which empties into the right atrium. The dural venous sinuses within the dura mater surrounding the brain receive blood from the brain and also are a point of entry of cerebrospinal fluid from arachnoid villi absorption. Blood eventually enters the internal jugular vein. "Phlebology" is the medical specialty devoted to the diagnosis and treatment of venous disorders. A medical specialist in phlebology is termed a phlebologist. A related image
The Tell-Tale Brain The Tell-Tale Brain The Tell-Tale Brain: A Neuroscientist's Quest for What Makes Us Human is a 2010 nonfiction book by V. S. Ramachandran that explores, from a neurological viewpoint, the uniqueness of human nature. Ramachandran explores various aspects of visual perception and cognition to argue that humans are unique among species. For example, he notes that although animals show cortical remapping after the loss of a limb, the plasticity seen in the human brain (after amputation) is much more dramatic. Ramachandran discusses seven main concepts which define the human aspect of self and how each may be disrupted by a