Podcast
Questions and Answers
What does embryology primarily study?
What does embryology primarily study?
- Cellular structure of a fully formed individual
- Development of an embryo from fertilization to fetus stage (correct)
- Postnatal development of humans
- The process of birth
The embryonic period lasts from conception to the third month of development.
The embryonic period lasts from conception to the third month of development.
True (A)
What is the term for the substance that causes abnormality in physiological development?
What is the term for the substance that causes abnormality in physiological development?
Teratogen
The __________ stage of the embryo is formed when sperm and egg fuse.
The __________ stage of the embryo is formed when sperm and egg fuse.
Which of the following terms refers to a compact ball of 16 cells formed on Day 3?
Which of the following terms refers to a compact ball of 16 cells formed on Day 3?
Most people develop normally and are born with birth defects requiring medical attention.
Most people develop normally and are born with birth defects requiring medical attention.
What are the two periods of development in embryology?
What are the two periods of development in embryology?
An inner cell mass (ICM) is also known as __________.
An inner cell mass (ICM) is also known as __________.
Match the following embryonic structures with their definitions:
Match the following embryonic structures with their definitions:
Which part of the alimentary canal is included in the hindgut?
Which part of the alimentary canal is included in the hindgut?
Spermatogenesis occurs in female ovaries.
Spermatogenesis occurs in female ovaries.
What is the primary function of gametogenesis?
What is the primary function of gametogenesis?
The immature cell that develops into an ovum is called the ______.
The immature cell that develops into an ovum is called the ______.
Match the following parts of the digestive system with their classification:
Match the following parts of the digestive system with their classification:
What is the result of oogenesis after ovulation?
What is the result of oogenesis after ovulation?
Each female is born with a limited supply of oocytes.
Each female is born with a limited supply of oocytes.
What happens to the primary oocyte during oogenesis?
What happens to the primary oocyte during oogenesis?
The process of forming sperm cells by meiosis is known as ______.
The process of forming sperm cells by meiosis is known as ______.
Match the stages of oogenesis with their definitions:
Match the stages of oogenesis with their definitions:
What triggers the LH surge that causes ovulation?
What triggers the LH surge that causes ovulation?
Luteinizing Hormone (LH) is released by the ovaries.
Luteinizing Hormone (LH) is released by the ovaries.
What is the space called between the vitelline membrane and zona pellucida?
What is the space called between the vitelline membrane and zona pellucida?
Spermatogenesis involves the differentiation of _______ from primordial male germ cells.
Spermatogenesis involves the differentiation of _______ from primordial male germ cells.
Match the phases of spermatocytogenesis with their descriptions:
Match the phases of spermatocytogenesis with their descriptions:
How long does it take for a spermatogonium to develop into a mature spermatozoon?
How long does it take for a spermatogonium to develop into a mature spermatozoon?
The zona pellucida is the innermost layer that surrounds the mature ovum.
The zona pellucida is the innermost layer that surrounds the mature ovum.
What hormones are involved in regulating the ovulatory process?
What hormones are involved in regulating the ovulatory process?
The largest cell in the body is the _______.
The largest cell in the body is the _______.
Which phase of spermatocytogenesis is also known as the proliferation phase?
Which phase of spermatocytogenesis is also known as the proliferation phase?
What is the primary process during spermatocytogenesis that involves the duplication of nuclear DNA?
What is the primary process during spermatocytogenesis that involves the duplication of nuclear DNA?
The acrosome is responsible for providing energy to the sperm for locomotion.
The acrosome is responsible for providing energy to the sperm for locomotion.
What are the two major parts of a mature spermatozoon?
What are the two major parts of a mature spermatozoon?
During spermiogenesis, excess ______ is eliminated to form the tail of the sperm.
During spermiogenesis, excess ______ is eliminated to form the tail of the sperm.
Match the parts of a spermatozoon with their functions:
Match the parts of a spermatozoon with their functions:
Which structure of a spermatozoon contains a haploid number of chromosomes?
Which structure of a spermatozoon contains a haploid number of chromosomes?
What is the purpose of the trophoblast in embryonic development?
What is the purpose of the trophoblast in embryonic development?
The hypoblast forms on Day 4 from the inner cell mass.
The hypoblast forms on Day 4 from the inner cell mass.
What are the three primary germ layers formed during gastrulation?
What are the three primary germ layers formed during gastrulation?
The __________ is formed by epiblast cells at the end of Week 2.
The __________ is formed by epiblast cells at the end of Week 2.
Which germ layer is primarily responsible for forming the skin and nervous system?
Which germ layer is primarily responsible for forming the skin and nervous system?
The yolk sac is fully functional in humans and provides essential nutrients during the entire pregnancy.
The yolk sac is fully functional in humans and provides essential nutrients during the entire pregnancy.
What is gastrulation in embryonic development?
What is gastrulation in embryonic development?
The __________ develops into muscles, bones, and connective tissue.
The __________ develops into muscles, bones, and connective tissue.
Match the following terms with their definitions:
Match the following terms with their definitions:
Which of the following structures surrounds the embryo and forms a protective cavity?
Which of the following structures surrounds the embryo and forms a protective cavity?