Ключевые слова: biology, biotechnology, cell, clinic, closeup, color, conjugation, cum, dna, donor, egg, ejaculation, fallopian, fertility, fertilization, fertilize, gene, genetic, genome, healthcare, human, illuminated, image, infertility, insemination, lab, laboratory, life, magnification, male, medical, medicine, microbiology, micrograph, microscope, molecular, new, ovum, pregnancy, procreation, reproduction, reproductive, science, semen, sperm, sperm bank, spermatozoa, spermatozoon, spermicide, vitro,