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2006-12-21 11:16:57 · 15 answers · asked by Anonymous in Health ➔ General Health Care ➔ Other - General Health Care
Placenta is the connection from the mother to the fetus to give nutrition and circulation
2006-12-21 11:21:57 · answer #1 · answered by Anonymous · 9⤊ 0⤋
The placenta is an organ within the uterus by means of which the growing fetus is attached to the wall of the uterus. Its primary purpose is to provide the fetus with nourishment, eliminate its wastes and exchange respiratory gases.
This is accomplished by the close proximity of the maternal and fetal blood systems within the placenta. These processes begin immediately as the fetus is forming.
It also functions as a gland, secreting various hormones including chorionic gonadotropin, progesterone and estrogens. All these hormones help regulate and maintain the pregnancy.
The placenta grows throughout the pregnancy and it remains connected to the uterine wall on one side and connects to the fetus through the umbilical cord. This is where all the exchanges take place. After the newborn is delivered the umbilical cord is clamped then cut and while you're holding your new arrival, the placenta is separating itself from the uterine wall and becomes ready for delivery, normally within one hour of delivery. The placenta is then pushed out by contractions and the mother's help and is visually inspected by the physician for any problems. After this inspection it is thrown away with the rest of the afterbirth.
Source(s):
http://sheknows.com/about/look/218.htm...
2006-12-21 11:22:09 · answer #2 · answered by meekaila 3 · 0⤊ 0⤋
The placenta receives nutrients, oxygen, antibodies and hormones from the mother's blood and passes out waste. This interface forms a barrier, the placental barrier, which filters out some substances which could harm the fetus.
In addition to the transfer of gases and nutrients, the placenta also has metabolic and endocrine activity. It produces, amongst other hormones, progesterone, which is important in maintaining the pregnancy; somatomammotropin (also known as placental lactogen), which acts to increase the amount of glucose and lipids in the maternal blood; oestrogen; relaxin, and human chorionic gonadotrophin HCG.
2006-12-21 11:20:20 · answer #3 · answered by wonders_hmmm 2 · 1⤊ 0⤋
The placenta is a temporary organ required for the development of the embryo and fetus. It allows for the exchange of metabolic products between the fetus and the mother. You will have to look in textbooks for pictures of the development of the placenta. Or go to this websight http://courseweb.edteched.uottawa.ca/Medicine-histology/English/Reproduction/Placenta/Default.htm
2006-12-21 11:22:24 · answer #4 · answered by Heather 3 · 0⤊ 0⤋
The placenta is the cord that transfers nutrients (via blood) from the mother to the fetus. Simultaneously waste products are transferred from the fetus to the mother via the same cord... (fetus' do not urinate or defecate - all the waste material is transferred to the mother for processing).
Hope that helps,
-dh
2006-12-21 11:20:15 · answer #5 · answered by delicateharmony 5 · 0⤊ 0⤋
without this a baby could not survive, it has all what the baby needs fed right through the cord that is attached to the belly button that will be cut once baby is born...
2006-12-21 11:19:05 · answer #6 · answered by loreescachter 3 · 0⤊ 0⤋
it provides nutrients for the fetus from the mother and also acts as a barrier between the two to protect them
2006-12-21 11:21:28 · answer #7 · answered by Alex 2 · 0⤊ 0⤋
It gives the baby nutrients, and is the main blood supply as well as oxygen to the baby.
2006-12-21 11:22:46 · answer #8 · answered by dnsnowden 2 · 0⤊ 0⤋
it cushion and nourish the baby, it is where they baby grows from a fetus to when it is born
2006-12-21 11:25:38 · answer #9 · answered by out of it 2 · 0⤊ 0⤋
To protect the baby in the womb & nourishes it.
2006-12-21 11:18:27 · answer #10 · answered by courtney 2 · 0⤊ 1⤋