Home
Class 12
BIOLOGY
Placenta acts as an endocrine gland. Exp...

Placenta acts as an endocrine gland. Explain.

Text Solution

Verified by Experts

Placenta produces several hormones like human chorionic gonadotropin (hCG), human placental lactogen (hPL), estrogens, progestogens etc. In later stages of pregnancy , a hormone relaxin is also produced by it. Hence calling placenta an endocrine tissue justified
Promotional Banner

Topper's Solved these Questions

  • REPRODUCTION

    TRUEMAN BIOLOGY|Exercise SECTION -C|22 Videos
  • REPRODUCTION

    TRUEMAN BIOLOGY|Exercise SECTION-D|27 Videos
  • REPRODUCTION

    TRUEMAN BIOLOGY|Exercise SECTION-D|27 Videos
  • Protista

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|6 Videos
  • Reproduction In Organisms

    TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE QUESTION|131 Videos

Similar Questions

Explore conceptually related problems

Which part of ovary in mammals acts as an endocrine gland after ovulation ?

Which of these acts both as an endocrine and exocrine gland?

Hypothalamus is a supermaster endocrine gland. Elaborate.

Name the hormone secreted by an endocrine gland during emergency?

Diagrammatically indicate the location of the various endocrine glands in our body .

Prepare a table having two columns depicting names of endocrine glands and hormones secreted by them.

Select the right match of endocrine gland and their hormones among the options given below {:(A. " Pineal", (i) " Epinephrine"),(B. " Thyroid", (ii) " Melatonin"),(C." Ovary", (iii)" Estrogen"),(D. " Adrenal medulla", (iv) " Tetraiodothyronine"):}

TRUEMAN BIOLOGY-REPRODUCTION-SECTION-B
  1. Mention the reasons for difference in ploidy of zygote and primary end...

    Text Solution

    |

  2. How many haploid nuclei and haploid cells are present in the female ga...

    Text Solution

    |

  3. Placenta acts as an endocrine gland. Explain.

    Text Solution

    |

  4. The number of taxa exhibiting asexual reproduction is drastically redu...

    Text Solution

    |

  5. Draw the sketches of a zoospore and conidia. Mention two dissimilariti...

    Text Solution

    |

  6. Give below are the events that are observed in an artificial hybridiza...

    Text Solution

    |

  7. Why most of the zygotes in angiosperms divide only after certain amoun...

    Text Solution

    |

  8. Corpus luteum in pregnancy has a long life. However, if fertilisation ...

    Text Solution

    |

  9. What are the events taking place in the ovary and uterus during follic...

    Text Solution

    |

  10. Expland: FSH and LH. Mention one function each. .

    Text Solution

    |

  11. The procedure of GIFT involves the transfer of female gamete to the fa...

    Text Solution

    |

  12. Briefly explain IVF and ET. What are the conditions in which these met...

    Text Solution

    |

  13. All reproductive tract infections RTIs are STDs, but all STDs are not ...

    Text Solution

    |

  14. What do you understand by amniocentesis ? Why is there a statutory ba...

    Text Solution

    |

  15. When and where do chorionic villi appear in humans ? State their funct...

    Text Solution

    |

  16. (a) How does cleistogamy ensure autogamy? (b) State one advantage an...

    Text Solution

    |

  17. Explain the steps that ensure cross pollination in an autogamous flowe...

    Text Solution

    |

  18. Name all the haploid cells present in an unfertilized mature embryo-sa...

    Text Solution

    |

  19. Differentiate between the two cells enclosed in a mature male gaemetop...

    Text Solution

    |

  20. Name the hormones involved in the regulation of spermatogenesis.

    Text Solution

    |