Advertisements
Advertisements
Question
The structure which provides vascular connection between the foetus and uterus is called __________.
Solution
The structure which provides vascular connection between the foetus and uterus is called placenta.
Explanation:
The placenta facilitates the supply of oxygen and nutrients to the embryo and also removal of carbon dioxide and excretory/waste materials produced by the embryo. The placenta is connected to the embryo through an umbilical cord which helps in the transport of substances to and from the embryo.
APPEARS IN
RELATED QUESTIONS
Name the stage of human embryo at which it gets implanted.
Where does fertilization occur in humans? Explain the events that occur during this process.
Fertilisation is __________ in humans.
Zygote is __________.
The zygote divides to form __________ which is implanted in uterus.
Name the stages in a human female where Corpus luteum and placenta co-exist.
How is polyspermy prevented in humans?
Match the following and choose the correct options:
A. | Trophoblast | i. | Embedding of blastocyst in the endome |
B. | Cleavage | ii. | Group of cells that would differentiate as embryo |
C. | Inner cell mass | iii. | Outer layer of blastocyst attached to the endometrium |
D. | Implantation | iv. | Mitonic division of zygote |
Choose the incorrect statement from the following.
During cleavage, what is true about cells?
In telolecithal egg, the yolk is found ______.
What is true about cleavage in fertilized egg of human?
Which part of the sperm plays an important role in penetrating the egg membrane?
Cleavage differs from mitosis in lacking ______.
Implantation takes place after ______ of fertilisation.
Blastomeres found in the outer layer of blastocyst are
How does zona pellucida of ovum help in preventing polyspermy?
The zygote passes through several developmental stages till implantation, Describe each stage briefly with suitable diagrams.