Q: After fertilization the blastocyst develops three germ layers. Which germ layer is the innermost…
A: In the human embryo , after about three days of fertilisation,the zygote forms a solid mass of cells…
Q: What is the ovum doing during the primary oocyte stage?
A:
Q: Give the origins and functions of the chorion, amnion, allantois, and yolk sac.
A: The extraembryonic membrane can be defined as the type of membrane which helps in the development of…
Q: Which structures develop from the neural tube and somites?
A: the structures that develop from the neural tube and somites are :
Q: Explain the Human embryo at beginning of fifth week ?
A: The time between conception and birth of a baby is called the gestation period. A normal gestation…
Q: How do the shape and structure of the uterus of the fetal pig compare with that of the human?
A: Reproductive system is used for the sexual reproduction. Female internal reproductive organs include…
Q: Explain the Fertilization and Early Stagesof Development ?
A: The reproductive system(male and female) is a complex system with a number of interconnected…
Q: What is yolk? What is its role in fertilization and development?
A: The development of organisms depends on the supply of resources. In embryo development nutrition of…
Q: Which embryonic germ layer lines the outer surface of the embryo
A: An embryo is the early stage of human development in which organs form critical body structures.
Q: How is a fetus usually positioned in the uterus as birth nears?
A: Answer: Introduction: The place of the baby in the uterus is known as the presentation of the fetus.…
Q: What is normal gestation period(in days) of the developing foetus?
A: The developing zygote is called an embryo from the conception to the eighth week of the pregnancy.…
Q: Where does fertilizationusually occur, and what hormonal changeshappen after fertilization?
A: Fusion of sperm with ovum is known as fertilisation Fertilisation generally occurs in fallopian tube…
Q: What is the significance of cleavage during the early stages of development?
A: The cleavage is the division of cells in the early stage of an organism. This implies that with each…
Q: How do the somites, intermediate mesoderm, and lateral plate mesoderm contribute to embryonic…
A: The early stages in the case of embryonic development start with fertilization. The fertilization…
Q: How are the development events, which you have observed to occur in the testis and ovary,…
A: The initial processes of gonads development are essentially similar in both sexes consisting of…
Q: How does the egg get from the ovary to a fallopian tube?
A: Reproduction is essential for the production of the healthy offspring and it is not necessary for…
Q: When does gastrulation occur?
A: Gastrulation occurs during week 3 of Human development. The process of gastrulation generates the…
Q: What part of the blastocyst develops into the embryo?a. Yolk sacb. Placentac. Polar bodyd. Inner…
A: The time taken for the complete development of the fetus inside the uterus is known as the…
Q: List the three primary germ layers.
A: After the fertilization of the egg cell and the sperm cell, a zygote is formed which undergoes…
Q: How do the amount and distribution of yolk influence gastrulation?
A: Gastrulation is a process in which the single layer of cells called blastula is arranged into a…
Q: What are the cells producedin the first stage of theembryonic developmentcalled?
A: The process in which the embryo forms and develops is known as embryonic development.
Q: What cells of the blastocyst invade the endometrium?
A: Blastocyst is a 70-100 cell structure that gets implanted in the uterus. It is composed of two types…
Q: What are the development phenomenas occurs at the age after 11 years?
A: Humans have extremely long development stages compared to other animals due to the complex nature of…
Q: How is the oocyte moved through the uterine tube?
A: The female reproductive system performed diverse functions. It produces ovum also known as an egg.…
Q: What occurs during cleavage?
A: Fertilization is the fusion of ovum and sperm so as to form a diploid zygote. Zygote is the first…
Q: Explain the Embryonic Germ Layers ?
A: The layers of cells produced during the early phase of embryo development which gives rise to the…
Q: How is an egg (oocyte) prepared during oogenesis for fertilization? Why is preparation essential to…
A: Oogenesis is defined as the process by which the female sex cells or ova or egg cells are produced.…
Q: What triggers activation of the egg?
A: The sperm of several species are attracted to the eggs of their own species by the process of…
Q: What is puberty?
A: The postnatal period begins immediately after the birth and continues until maturity, the state,…
Q: What are the distinguishable parts of the 72-hour chick embryo? Give at least 5 parts and the adult…
A: Probably the best magical occurrence of nature is the change of the egg into the chick. A chick…
Q: What are the three germ layers formed during gas-trulation, and what are the principal structures…
A: Introduction :- Gastrulation is a process in which an embryo converts from a one-dimensional layer…
Q: How is the child affected if it has grown from the zygote formed by an XX-egg fertilized by…
A: Zygote is also known as a fertilized egg because it is formed by the process of fertilization in…
Q: What are the three germ layers formed during gastrulation?
A: Developmental Biology is the field of biology that studies the processes by which multicellular…
Q: what does a "fetal development" concept map look like with 10 words or phrases?
A: Fetal development in shortest words.
Q: How is the yolk formed?
A: Cells are the basic structural and functional units of life. These are the building blocks that make…
Q: Does the position of the fetus in the uterus change very much toward the endof the 38th week?
A: The best ideal position for labour is head-down, facing back, with chin tucked to its chest and back…
Q: How is the yolk formed in terms of embryogenesis
A: Embryogenesis is the course of improvement of an undeveloped embryo from the zygote. In…
Q: Which embryonic germ layer lines the inner surface of the archenteron?
A: Germ layer can be seen in embryonic development in animal embryogenesis. It is the layer of cells.…
Q: what are the major events of embryo development? what are the major events of fetal development?
A: Embryo development as the name suggests the development or formation of the embryo. Embryo…
Q: How is and egg (oocyte) prepared during oogensis for fertilization? Why is preparation essential to…
A: The process of formation of gametes is known as gametogenesis. In females, oogenesis is a process of…
Q: How does the embryo get nourishment inside the mother’s body?
A: Embryo means the developing offspring from the time of approximately 2nd to 8th weeks after the…
Q: What would happen if a blastocyst implanted into the functional layer of the endometrium and a…
A: It is at the blastocyst stage of development that an embryo would normally move out of the fallopian…
Q: How many follicle cells will fit inside? Is there an abundance of yolk within the cytoplasm of the…
A: Oocyte It is an immature ovum or egg cell which is a female gametocyte or germ cell. It is involved…
Q: How does the sperm reach upto egg and how does it enter into the egg?
A: Fertilization is the process in which a sperm and egg are fused together in the uterine tube of the…
Q: Are different stages of development tend to generate differences in stimulating cleavage and…
A: Cleavage -- Term cleavage is defined as a series of rapid mitotic division of zygote after…
Q: What is a doula? What does human development research say about the use of support during labor?
A: The term doula is derived from a greek word which means helper or maid servant. A doula is not…
Q: what are the principal structures each germ layer gives rise to in the adult?
A: The zygote is a cell formed by the union sex cell of the male (sperm) and sex cell of the female…
How is the yolk sac formed?
What is the function of the
yolk sac?
Step by step
Solved in 2 steps