Which extraembryonic membrane in humans prevents desiccation of the embryo inside the uterus?

Chorion

Allantois

Yolk sac

Amnion

Solution

Amnion

Amnion is an extraembryonic membrane that surrounds embryo in reptiles, birds and mammals. It provides a kind of private aquarium to the embryo and protects it from mechanical shock and desiccation.
Chorion (serosa) is the outermost extraembryonic membrane in reptiles, birds and mammals. It surrounds the whole embryonic system of the embryo.
Yolk sac contains yolk in reptiles and birds. In mammals yolk, the sac is also known as a umnillical vesicle. It is connected to enter on of the embryo by a slender yolk stalk.
Allantois functions as an embryonic urinary bladder or as a respiratory extension of a handgun in reptiles and birds. In mammals, it is modified to carry blood vessel to and from the placenta.

Some More Questions From Human Reproduction Chapter

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Human Reproduction

Which extraembryonic membrane in humans prevents desiccation of the embryo inside the uterus?

Chorion

Allantois

Yolk sac

Amnion

Some More Questions From Human Reproduction Chapter

Primary spermatocyte produces 4 spermatozoa, but primary oocyte produces :

Ovulation takes place :

Which of the following shows hermaphroditism and self fertilization ?

The chromosone in primary spermatocyte are :

The male reproductive system is located in the body, in the :

Sertoli cells provide :

The middle piece of human sperm contains :

Seminiferous tubules open into vasa efferentia through :

Polar bodies are produced during the process :

In 28 days woman's menstrual cycle, ovulation occurs on :

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Entrance Exams Preparation

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For Daily Free Study Material Join wiredfaculty

Human Reproduction

Which extraembryonic membrane in humans prevents desiccation of the embryo inside the uterus? Chorion Allantois Yolk sac Amnion

Some More Questions From Human Reproduction Chapter

Primary spermatocyte produces 4 spermatozoa, but primary oocyte produces :

Ovulation takes place :

Which of the following shows hermaphroditism and self fertilization ?

The chromosone in primary spermatocyte are :

The male reproductive system is located in the body, in the :

Sertoli cells provide :

The middle piece of human sperm contains :

Seminiferous tubules open into vasa efferentia through :

Polar bodies are produced during the process :

In 28 days woman's menstrual cycle, ovulation occurs on :

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

Which extraembryonic membrane in humans prevents desiccation of the embryo inside the uterus?

Chorion

Allantois

Yolk sac

Amnion