seamless ornament of spermatozoa swimming in one direction. flat style medical biological pattern.

seamless pattern background vector spermatozoa sperm tadpole male fertility pregnancy semen biology cell genetic reproduction spermatozoon contraception condom ejaculate ejaculation pollution seed spermogram venereal wallpaper fertilization human isolated reproductive sperms artificial swim motion conception insemination sex health analysis illustration medicine medical birth texture symbol blue competition silhouette textile