The amnion of the mammalian embryo is derived from:
- AEctoderm and endoderm
- BEctoderm and mesoderm
- CMesoderm and trophoblast
- DEndoderm and mesoderm
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Similar Questions
Pick the hormone which is not secreted by the human placenta.
Match 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-
Placenta acts as an endocrine tissue and produces several hormones like:
$A.$ Human chorionic gonadotropin $(hCG)$
$B.$ Human placental lactogen $(hPL)$
$C.$ Estrogens
$D.$ Progesterone
$A.$ Human chorionic gonadotropin $(hCG)$
$B.$ Human placental lactogen $(hPL)$
$C.$ Estrogens
$D.$ Progesterone
Easy
View SolutionIdentify the correct sequence of embryonic development in females.
Medium
View SolutionAt which embryonic stage is the movement of the blastoderm observed?
Medium
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