Formation of embryo with tissues & organs
Developement of functional organs. (except the lungs)
Growth in size.
= body cells die with the death of an individual
sex cells ( or: germ cells) potentially immortal can be passed on to the next generation
Decidue (mother) + Chorionic villi (fetus)
What are the two main functions of the placenta?
- Exchange of metabollic substances between mother and child
- barrier for other substances
What is the umbilical cord for?
connection between fetus and placenta
What is FAS?
Fetal alcohol syndrome
Due to alcohol consummption during pregnancy, tissues of the embryo are damaged
-> underdevelopement of brain, heart, body
-> problems with health and behavior
functions in waste disposal;
will become the umbilical cord
The fluid-filled cavity that surrounds the developing embryo.
decidua / uterine lining
The inner layer of the uterus (womb); the cells that line the womb; anatomically termed the endometrium. This tissue is normally shed monthly in response to the hormonal changes of the menstrual period.
vena umbilicalis / umbilical vein
provide nourishment for the embryo at the earliest stages of development
2 deciduas & recognize them
a pair of tubes along which eggs travel from the ovaries to the uterus
Mother -> 02, H20, glucose, amnino acids, fats
CO2, urea, wast Child