The hormone relaxin,responsible for the easy birth of the baby,is secreted by . . . . . . .
- AGraafian follicle
- BCorpus callosum
- CCorpus luteum
- DCorpus albicans
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Similar Questions
Placenta has an outer layer which is selectively permeable and hormone secreting which is known as
Medium
View SolutionDuring embryogenesis,the zygote undergoes:
Medium
View SolutionRelative sizes of an egg cell,morula,blastula,and gastrula are:
Medium
View SolutionMatch the following with respect to stages of embryonic development in human.
Column $I$ Column $II$ $a$. Fully formed morula $i$. By end of $7^{\text{th}}$ day after fertilization $b$. Fully formed blastocyst $ii$. $15$ days after fertilization $c$. Completion of implantation process $iii$. By end of $4^{\text{th}}$ day after fertilization $d$. Fully formed gastrula $iv$. By end of $10^{\text{th}}$ day after fertilization
Choose the correct option-
| Column $I$ | Column $II$ |
| $a$. Fully formed morula | $i$. By end of $7^{\text{th}}$ day after fertilization |
| $b$. Fully formed blastocyst | $ii$. $15$ days after fertilization |
| $c$. Completion of implantation process | $iii$. By end of $4^{\text{th}}$ day after fertilization |
| $d$. Fully formed gastrula | $iv$. By end of $10^{\text{th}}$ day after fertilization |
Choose the correct option-
The embryo with $8-16$ cells is called ........
Easy
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