词根词缀：ectro-

【来源及含义】Greek: abortion, untimely birth; primarily used to mean "congenital absence" or "defect" of a part which is normally present

【同源单词】ectrocardia, ectrocheiry, ectrochiry, ectrodactylia, ectrodactylism, ectrodactyly

词根词缀：geno-, gen-, genit-, gener-, -gen

【来源及含义】Greek > Latin: race, kind; line of descent; origin, creation; pertaining to sexual relations, reproduction, or heredity; and more recently, a gene or genes

【同源单词】abiogenesis, abiogenetic, abiogenetically, abiogenous, acrogen, acrometagenesis