Q: Explain how the structure of the placenta prevents mixing of fetal and maternal blood while allowing…
A: -First to understand placenta . Placenta -- It is composed of fetal part which includes the…
Q: What is the first major event that occurs during organogenesis?
A: Organogenesis is the formation and development of organs from embryonic cells or germ layers. It…
Q: The amniotic fluid surrounding the fetus contains cells sloughed off from the fetus. These are…
A: Hi, Thanks For Your Question. Q. 1 The amniotic fluid surrounding the fetus contains cells sloughed…
Q: define organogenesis and indicate the important roles of the three primary germ layers in this…
A: Gastrulation is the process of early embryonic development where blastula transforms to form three…
Q: From which germ layer doblood cells originate? Whatare other organs and tissuesmade from that germ…
A: A layer primarily formed from the early cells of the embryo formed during it development is known as…
Q: What is the differencebetween amnion and chorion?
A: Both amnion and chorion are present during a woman’s pregnancy and are part of the extra embryonic…
Q: Which two features of the fetal circulation system allows the blood to bypass the lungs?
A: The fetal blood and cardiovascular system are adapted to the intrauterine environment. The amount of…
Q: What happens to the cell cycle of the secondary oocyte?
A: Oocyte is a female germ cell or gametocyte that participates in the reproduction. It is basically an…
Q: Which structure provides for exchange of materials between mother and fetus?
A: The female reproductive system is defined as a system composed of the internal and external sex…
Q: What cells produce hCG and why is it important?
A: hCG (Human Chorionic Gonadotropin) is a glycoprotein hormone and is also known as the pregnancy…
Q: What are the main functions of each of the extraembryonic membranes?
A: Foetal membranes are called extraembryonic membrane because they are not a part of the body of the…
Q: What is an amnion?
A: The question asks about the amnion.
Q: Why is Fetal Hemoglobin Essential for survival of Placental animals?
A: Composition of fetal hemoglobin (Hemoglobin F) is different as compared to adult hemoglobin in…
Q: How can amniotic fluid volume indicate disorders of the fetal urinary system?
A: It is the protective liquid contained by the amniotic sac of pregnant women. It serves as a cushion…
Q: What is the vernix caseosa of the fetus? What purpose does it serve?
A: The unborn offspring developing from the zygote in an animal or human is called a fetus. The fetal…
Q: What are the functions of amniotic fluid?
A: The newborn fetus comes with an umbilical cord. This cord ends up with two umbilical arteries and…
Q: What are extraembryonicmembranes?
A: The embryology is the study of the formation and development of embryonic structures right from the…
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 is the role of the HCG hormone in pregnancy?
A: HCG or Human Chorionic Gonadotropin hormone is one of the crucial hormones in pregnancy. Here we…
Q: What symptoms may appear in a newborn if its ductus arterio-sus fails to close?
A: Patent ( open ) Ductus Arteriosus is a congenital heart defect which happen after birth in newborns…
Q: What happens during the stage of dilation, the stage of expul- sion, and the placental stage of true…
A: Labor Series of events that take place in the genital organ in an effort to expel the viable…
Q: The myometrium is the muscular layer of the uterus, and the endometrium is the (a) serosa, (b)…
A: The uterus is the pear-shaped organ that belongs to the female reproductive system, and is located…
Q: What the motile germ cell is called?
A: Gametogenesis is a process through which male and female gametes or germ cells (sperms and eggs) are…
Q: Are the extraembryonicmembranes the same in allvertebrates?
A: An embryo is an early phase development for an unborn baby. A small fertilized egg divides and grows…
Q: What causes oocytes to mature?
A: An oocyte is defined as an immature egg cell of the animal ovary like in humans, one oocyte matures…
Q: Which layer is responsible for encasing the growing embryo?
A: An embryo is an early stage of development that is present in a multicellular organism. Embryonic…
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: Do the mother and the fetus exchange cells through the placenta?
A: Introduction In this question we we will discuss whether the mother and the fetus exchange cells…
Q: Which feature of the fetal circulation system allows the blood to bypass the liver?
A: The fetal blood and cardiovascular system are adapted to the intrauterine environment. The amount of…
Q: Describe the organization of the extraembryonic membranes
A: All amniotes have the extraembryonic components: 1. the amnion, chorion, 2. yolk sac, and 3.…
Q: What are the defferent mechanism the egg employed to ensure that only one sperm cell will fertilize…
A: Polyspermy is a fatal condition in which several sperm nucleus engage with the female nucleus.…
Q: Describe the structure and functions of the four extraembryonic membranes
A: The layers inside the egg around the embryo are called extraembryonic membranes, and they nourish…
Q: Name the layer of cells that forms the outer wall of blastocyst.
A: Blastocyst is a developmental stage of the the embryo to form an foetus. This developmental form is…
Q: What is the first polarbody? How different is it fromthe oocyte II?
A: Meiosis is a kind of cell division that takes place in sexually reproducing organisms which results…
Q: List and give the functions of the 4 major extraembryonic fetal membrane
A: The extraembryonic membrane are those extra embryonic structure which are forward from extra…
Q: What is primary oocytes and secondary oocytes?
A: Ovaries are the primary sex organ of a woman. They undergo a process known as oogenesis.
Q: When during pregnancy is colostrum first produced and when it can be first excreted?
A: Colostrum, a nutrient-rich fluid produced by female mammals immediately after giving birth, is…
Q: What is the difference between the anterior and posterior determinant for the oocyte?
A: The difference in the anterior and posterior parts of an embryo is due to the difference between the…
Q: What is the developmental fate of the inner cell mass of the blastocyst?
A: A diploid zygote is formed by the union of a haploid egg cell and a haploid sperm cell. The zygote…
Q: What is the name of the structure that connects the placenta with foetus?
A: Introduction :- During pregnancy, the placenta is an organ that develops in the uterus. This…
Q: Explain the Formation of the extraembryonic membranes
A: An extraembryonic membrane is one of the membranes which assist in the development of the embryo. It…
Q: Which of these can be described as the release of the 0Ocyte from an oyary?
A: Menstruation: It is the whole cycle of events that happen in 28 days in a women's body starting from…
Q: During which of the 3 stages of oogenesis does the oocyte nucleus move?
A: Oogenesis- Oogenesis is the process of formation of female gametes. This process begins inside the…
Q: Concerning the mixture ofarterial with venous bloodwhat is the differencebetween the human…
A: Artery: - There are two types of the artery, systemic artery, and pulmonary artery. A systemic…
Q: Why is Fetal Hemoglobin Required for Placental Animal Survival?
A: Fetal hemoglobin (Hemoglobin F) has a different composition than adult hemoglobin in humans…
What route would oxygen in the mother’s blood follow to arrive at a
body cell of the fetus?
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- During the process of labor, what event occurs when the woman has her “water break”?Name the extraembryonic membrane that gives rise toeach of the following: umbilical blood vessels, the firstblood cells, and the fetal half of the placenta.Explain how the structure of the placenta prevents mixing of fetal and maternal blood while allowing for the exchange of substances between the mother and the fetus.