Science

Proteoglycan Definition Proteoglycan is any of a group of polysaccharide-protein conjugates present in connective tissue and cartilage, consisting of a polypeptide backbone to which many…

Periodontal Fiber Definition Periodontal fiber is attached to the dentin of the root of the tooth by cementum and to the bone of the jaws…

Surface Area of Cylinders Surface Area of Cylinders means the number of square units it takes to exactly cover the surface of a cylinder. To…

About Hydrogen Definition Hydrogen is the lightest and most abundant element in the universe, normally consisting of one proton and one electron. It is a…

About Hydrocarbon Definition Hydrocarbon is a class of organic chemical compounds composed only of the elements carbon (C) and hydrogen (H). Hydrocarbons from which one…

Chloramine Definition Chloramine is one of three bactericidal compounds that form when chlorine and ammonia react in water. Chloramines are used to purify drinking water,…

Cholesterol Definition Cholesterol is a main component of blood plasma and cell membranes, and it is an important precursor of many steroid hormones, vitamin D2,…

Elastic Fiber Definition Elastic fibers are generally 0.2-2 mcm in diameter but may be larger in some ligaments; they branch and anastomose to form networks…

Volume of a Cube A cube is a three-dimensional shape that has equal width, height, and length measurements. A cube has six square faces, all…

Cartilage Definition Cartilage is one of the types of connective tissue in our body. It consists of cells called chondrocytes mixed with collagen and sometimes…

Review about HTC U11 Introduction This year’s (2017) HTC U11 is a much more dramatic departure from past flagships like the HTC 10, switching brushed…

Nitrogen Dioxide Definition Nitrogen Dioxide (NO2) is a red-brown poisonous irritating gas that, at ordinary temperatures, exists in equilibrium with dinitrogen tetroxide. It is an…