Why is easy bruising so common in older adults? Most bruises form when small blood vessels (capillaries) near the skin's surface are broken by the impact of a blow or injury â often on the arms or legs. When this happens, blood leaks out of the vessels and initially appears as a black-and-blue mark. Eventually your body reabsorbs the blood, and the mark disappears.
HeLa cell. HeLa cell, a cancerous cell belonging to a strain continuously cultured since its isolation in 1951 from a patient suffering from cervical carcinoma. The designation HeLa is derived from the name of the patient, Henrietta Lacks.
Hela was born in Jotunheim, the land of the giants. She is the child of Loki (albeit a different incarnation who died during a previous Asgardian Ragnarok) and the giantess AngrboÃ°a. When she came of age, Odin appointed her as the Goddess of Death, giving her rulership over the dead in the realms of Hel and Niflheim.