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 Awkward Yeti of "The Awkward Yeti". "Heart and Brain" features Lars' anthropomorphized heart and brain as the two main characters. In the webcomic, the heart follows its feelings and emotions, chasing down butterflies and getting excited about kittens, while the brain is concerned about adult responsibility. While the heart skips to emotional need, the brain brings in reason and logic for why the heart's action are ill-advised. Lindsey Holmes described "Heart and Brain" as "the internal tennis match we often face between our romantic hearts and our realistic brains." The characters of "Heart and Brain" are considered very relatable, as they cover