Podcast
Questions and Answers
What is formed when a sperm fertilizes the ovum?
What is formed when a sperm fertilizes the ovum?
- Zygote (correct)
- Inner cell mass
- Blastocyst
- Epiblast
Which structure is formed after the zygote undergoes early development in the fallopian tube?
Which structure is formed after the zygote undergoes early development in the fallopian tube?
- Endometrium
- Fetus
- Hypoblast
- Blastocyst (correct)
During what process does the inner cell mass begin to divide and form layers?
During what process does the inner cell mass begin to divide and form layers?
- Implantation (correct)
- Organogenesis
- Fertilization
- Gastrulation
What are the two layers formed from the inner cell mass after implantation?
What are the two layers formed from the inner cell mass after implantation?
Which of the following occurs last in the sequence of events described?
Which of the following occurs last in the sequence of events described?
Flashcards
Zygote
Zygote
The first cell formed when a sperm fertilizes an ovum.
Blastocyst
Blastocyst
A hollow ball of cells formed from a zygote, with an inner cell mass.
Inner Cell Mass
Inner Cell Mass
A group of cells within the blastocyst that will develop into the embryo.
Epiblast
Epiblast
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Hypoblast
Hypoblast
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Study Notes
Gametogenesis Overview
- A sperm fertilizes an ovum in the fallopian tube, forming a zygote.
- The zygote travels through the fallopian tube, developing into a blastocyst.
- The blastocyst reaches the uterus.
- Inside the blastocyst is a group of cells called the inner cell mass.
- The blastocyst implants in the uterine endometrium.
- The inner cell mass divides and forms a two-layered disc.
- The upper layer is called the epiblast.
- The lower layer is called the hypoblast.
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