Medical Definition of angiosperm. : any of a class (Angiospermae) of vascular plants (as orchids or roses) that have the seeds in a closed ovary and include the monocotyledons and dicotyledonsâcompare gymnosperm.
Bilirubin (formerly referred to as haematoidin) is the yellow breakdown product of normal heme catabolism, caused by the body's clearance of aged red blood cells which contain hemoglobin. Bilirubin is excreted in bile and urine, and elevated levels may indicate certain diseases.
Bilirubin is a byproduct of red blood cell destruction and are conjugated in the liver and excreted in bile. It is the main pigment which is responsible for the color of bile, feces and urine.If the bilirubin in the blood is too high (hyperbilirubinemia), it leads to jaundice or icterus, which is the yellowish discoloration of the skin, sclera, lining of the mouth and other tissues.t is the main pigment which is responsible for the color of bile, feces and urine. If the bilirubin in the blood is too high (hyperbilirubinemia), it leads to jaundice or icterus, which is the yellowish discoloration of the skin, sclera, lining of the mouth and other tissues.