/chemistry. /chemical characterization . /chemical composition . /chemical content . /chemical properties . /chemical structure . Used with chemicals, biological, and non-biological substances for their composition, structure, characterization, and properties; also used for the chemical composition or content of organs, tissue, tumors, body fluids, organisms, and plants. Excludes chemical analysis and determination of substances for which "analysis" is used; excludes synthesis for which "chemical synthesis" is used; excludes isolation and purification of substances for which "isolation & purification" is used. . 0.71
Sex Characteristics. Sexual Dimorphism . Characteristic, Sex . Characteristics, Sex . Difference, Sex . Differences, Sex . Dimorphism, Sex . Dimorphism, Sexual . Dimorphisms, Sex . Dimorphisms, Sexual . Sex Characteristic . Sex Difference . Sex Dimorphisms . Sexual Dimorphisms . Sex Dimorphism . Sex Differences . Those characteristics that distinguish one SEX from the other. The primary sex characteristics are the OVARIES and TESTES and their related hormones. Secondary sex characteristics are those which are masculine or feminine but not directly related to reproduction. . 0.58