Sickle cell anemia is an inherited disorder that, in the U.S. affects mainly African-Americans and Hispanic Americans. Red blood cells become crescent-shaped because of a genetic defect. They break down rapidly, so oxygen does not get to the body's organs, causing anemia.
Definition of BOW. intransitive verb. 1. 2. : to bend the head, body, or knee in reverence, submission, or shame. 3. : to incline the head or body in salutation or assent or to acknowledge applause. 4. transitive verb. 1.
A curtsey (also spelled curtsy or even incorrectly courtsey) is a traditional gesture of greeting, in which a girl or woman bends her knees while bowing her head. It is the female equivalent of male bowing in Western cultures. Miss Manners characterizes its knee bend as deriving from a traditional gesture of an inferior to a superior..