PSYB20H3 Chapter Notes - Chapter 2: Amniocentesis, Dwarfism, Intellectual Disability
Document Summary
Fertilization: union of perm and ovum to produce a zygote; also called conception. Duplicates itself repeatedly by cell division to produce all cells that make up a baby. At birth, a female has about 2 million immature ova in her two ovaries. After being expelled from ovary, the ovum travels along one of the fallopian tubes by. In mature woman, ovulation occurs about once every 28 days until menopause tiny hair cells, called cilia, toward the uterus or womb. In male, several hundred sperm are produced in the testicles (testes), or reproductive glands each day. Sperm enter the vagina through ejaculation and travel through the cervix (the opening of the uterus) and into the fallopian tubes uterus and exists through vagina) Fertilization takes place in the fallopian tubes. If fertilization does not occur, the ovum and any sperm cells in the body die (the sperm are absorbed by woman"s white blood cells, the ovum passes through the.
