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public health

(Encyclopedia)public health, field of medicine and hygiene dealing with the prevention of disease and the promotion of health by government agencies. In the United States, public health authorities are engaged in m...

glucose

(Encyclopedia)glucose, dextrose, or grape sugar, monosaccharide sugar with the empirical formula C6H12O6 . This carbohydrate occurs in the sap of most plants and in the juice of grapes and other fruits. Glucose ...

calcium hydroxide

(Encyclopedia)calcium hydroxide, Ca(OH)2, colorless crystal or white powder. It is prepared by reacting calcium oxide (lime) with water, a process called slaking, and is also known as hydrated lime or slaked lime. ...

veterinary medicine

(Encyclopedia)veterinary medicine, diagnosis and treatment of diseases of animals. An early interest in animal diseases is found in ancient Greek writings on medicine. Veterinary medicine began to achieve the statu...

zoology

(Encyclopedia)zoology, branch of biology concerned with the study of animal life. From earliest times animals have been vitally important to man; cave art demonstrates the practical and mystical significance animal...

Shawnee, indigenous people of North America

(Encyclopedia)Shawnee shôˈwənō [key], Native North Americans whose language belongs to the Algonquian branch of the Algonquian-Wakashan linguistic stock (see Native American languages). Their earliest known hom...

methionine

(Encyclopedia)CE5 methionine mĕthīˈənēn [key], organic compound, one of the 20 amino acids commonly found in animal proteins. Only the L-stereoisomer appears in mammalian protein. It is one of the several e...

porpoise

(Encyclopedia)porpoise, small whale of the family Phocaenidae, allied to the dolphin. Porpoises, like other whales, are mammals; they are warm-blooded, breathe air, and give birth to live young, which they suckle w...

bread

(Encyclopedia)bread, food made from grains that have been ground into flour or meal, moistened and kneaded into a dough, and then baked. Many types of bread are leavened, usually with yeast, which induces fermentat...

progesterone

(Encyclopedia)progesterone prōjĕsˈtərōnˌ [key], female sex hormone that induces secretory changes in the lining of the uterus essential for successful implantation of a fertilized egg. A steroid, progesterone...