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प्रश्न
Name the stages in a human female where Corpus luteum and placenta co-exist.
उत्तर
Corpus luteum and placenta co-exist in case of pregenancy.
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संबंधित प्रश्न
Fill in the blanks:
Zygote is __________. (diploid/haploid)
The structure which provides vascular connection between the foetus and uterus is called __________.
Name the stages in a human female where : Corpus luteum temporarily ceases to exist.
State three functions of the placenta
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 |
Acrosomal reaction of the sperm occurs due to ______.
Cleavage starts after fertilization in ______.
Amount of yolk and its distribution are changed in the egg. Which one is affected?
Implantation takes place after ______ of fertilisation.
How does zona pellucida of ovum help in preventing polyspermy?
