Definition that contains zoon
- conception the act of becoming pregnant; fertilization of an ovum by a spermatozoon
- zygote (genetics) the diploid cell resulting from the union of a haploid spermatozoon and ovum (including the organism that develops from that cell)
- zoonotic of or relating to or constituting zoonosis
- spermatid an immature gamete produced by a spermatocyte; develops into a spermatozoon
- germ cell a spermatozoon or an ovum; a cell responsible for transmitting DNA to the next generation
- reproductive cell a spermatozoon or an ovum; a cell responsible for transmitting DNA to the next generation
- fertilization membrane the membrane that forms around a fertilized ovum and prevents penetration by additional spermatozoon
- sex cell a spermatozoon or an ovum; a cell responsible for transmitting DNA to the next generation
- fertilized ovum (genetics) the diploid cell resulting from the union of a haploid spermatozoon and ovum (including the organism that develops from that cell)