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Mourla is a developmental stage...

Mourla is a developmental stage

A

between the zygote and blastocyst

B

between the blastocyst and gastrula

C

after the implantation

D

between implantation and parturition.

Text Solution

Verified by Experts

The correct Answer is:
A
After fertilisation, zygote is formed. Zuygote undergoes, mitrotic divisions, called cleavage, to form 2,4,8 and 16 daughter cells called blastomeres, These divisions start when zygote is moving towards uterus. It is called morula at 8-16 cell stage and it continues to divide to form blastocyst.
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Knowledge Check

  • Identify the human developmental stage shown as well as the related right place of its occurrence in a normal pregnant woman and select the right options for the two, together.

    A
    `{:("Developmental stage","Site of occurrence"),("Late morula","Middle part of fallopian tube"):}`
    B
    `{:("Developmental stage","Site of occurrence"),("Blastula","End part of Fallpian tube"):}`
    C
    `{:("Developmental stage","Site of occurrence"),("Blastocyst","Uterine wall"):}`
    D
    `{:("Developmental stage","Site of occurrence"),("8-celled morula","Starting point of Fallopian tube"):}`

  • Identify the human developmental stage shown here as well as the related correct place its implantation in a normal pregnant woman, and select the right option for the two, together

    A
    `{:("Developmental stage Site of implantation"),("Late morula - Middle part of Fallopian tube"):}`
    B
    `{:("Developmental stage Site of implantation"),("Blastula - End part of Fallopian tube"):}`
    C
    `{:("Developmental stage Site of implantation"),("Blastocyst - Uterine wall"):}`
    D
    `{:("Developmental stage Site of implantation"),("Blastocyst - Uterine wall"):}`

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