Need help with a Discussion board question for biology regarding placenta as an endocrine organ

timer Asked: Dec 7th, 2015
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Question Description

Discuss the importance of the placenta as an endocrine organ and describe the interplay between the maternal organ systems and the developing fetus.

Tutor Answer

School: University of Maryland

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Endocrine functions

The placental unit produces the following hormones.

1. Progesterone

  Produced by the placenta from day 42.

2. HcG ( human chorionic gonadotropin)

3. Human placental lactogen( hPL)

  it’s the “growth hormone” of pregnancy

4. Human chorionic corticotrophin

  Physiologic role is unknown.

5. Estrogens

6.  Placental proteins

7 .Fetal hormones

  eg.Thyroid hormone, ACTH

In the circulatory interplay, blood is delivered to the fetus from the maternal circulation via the umbilical vein  and carried to the placenta via the two umbilical arteries


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