Prenatal Development

INTRODUCTION Prenatal development is defined as the do work of increment and development within the womb, in which a single-electric cadre zygote, that is, the cell make by the combination of a sperm cell and an fruitcake, becomes an embryo, a fetus, and whence a baby. Conception go alongs when the genetic material of the sperm and egg unite to form a single-celled zygote. This happens in the fallopian furnish as the egg travels down the uterus. At this point, pregnancy occurs. It is the physiological qualify in which a muliebritys consistency is nurturing a maturation embryo or foetus. STAGES OF PRENATAL DEVELOPMENT. originative format This point in time covers ii weeks subsequently fertilization. The zygote undergoes rapid cell division then migrates slow down the pay backs fallopian tube and is implanted in the uterine wall. The placenta induces to form enabling the growing zygote to oblige itself to the grows uterine wall. At this submit, oxyge n and nutrients from the mothers bloodstream is passed to the zygote, the wastes from the developing zygote pass into the mothers bloodstream for elimination. In some few cases, when the fertilized egg cell attaches itself outside the uterus, the mother suffers from what is cognize as ectopic pregnancy. This condition is very delicate and should be treated as a medical emergency since it nates cause death.

Embryonic stage This second stage starts from two weeks to two months. Vital organs such as the heart, the brain, arms and limbs begin to form in this stage. The structure is directly known as an embryo. This is a res ult of great vulnerability due to the shapi! ng of key organs. For this reason, miscarriages and deformities occur easily occur during this period. Foetus stage This third stage starts from the second month (8th week) of conception to birth. The developing organism is now called a fetus. There is rapid ingathering of muscles, bones growing in size and sex organs start to develop. By the 9th week, formation of the brain and differentiation of ovaries and testes...If you exigency to get a full essay, order it on our website: OrderCustomPaper.com

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