click below
click below
Normal Size Small Size show me how
Human reproduction
Definitions for the chapter
| Term | Definition |
|---|---|
| Birth control | Involves methods the limit the number of children born |
| Blastocyst | A hollow ball of cells formed the morula by mitosis |
| Contraception | The deliberate prevention of fertilisation/pregnancy |
| Ejaculation | The release of semen from the penis |
| Fertilisation | When sperm fuses with the egg to produce a diploid zygote |
| Gamete | A haploid sex cell |
| Germ layers | Basic layer of cells in the blastocyst from which all tissues and organs will form |
| Gonad | An organ that produces sex cells in animals |
| Implantation | The embedding of the blastocyst into the endrometrium |
| Infertility | The inability to produce offspring |
| Insemination | The release of semen into the vagina |
| IVF | Fertilisation outside the body |
| Lactation | The secretion of milk from breasts of the female |
| Morula | A solid ball of cells formed from the zygote by mitosis |
| Ovulation | The release of an egg from an ovary |
| Secondary sexual characteristics | Features that distinguish males from females other than their sex organs |
| Menstrual cycle | Series of events that occur every 28 days in the female if fertilisation hasn't taken place |