Which structure connects the embryo to the placenta?

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: Which process involves the shaping of the embryo and cell migration?

A: Developmental biology is the branch of science that includes the studies of a diversity of…

Q: What are three notable features between the fertilized and unfertilized egg?

A: Sperms and eggs are the gametes produced by male and female animals respectively in sexual…

Q: What must happen for a secondary oocyte to complete meiosis

A:

Q: What are the general developmental trends during the fetal period?

A: Implantation is the process by which the blastulla attaches itself with the endometrium by…

Q: the time that the embryos are transferred into the uterus, have the cells started to become…

A: Embryo is  formed from the division of zygote and zygote develops after fertilization of sperm from…

Q: What is the name of the structure that ultimately implants in the uterus? What would happen if it…

A: Uterus is a hollow and muscular female reproductive organ. It lies between the urinary bladder and…

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: Name the three primary germ layers and explain how they develop in the embryonic disc?

A: Once the implantation has successfully taken place, the cells start to divide and develop into an…

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: 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: Which of the following is required for successful fetal development after the egg has been…

A: When sperm successfully enters and fuses with the ovum fertilization occurs. This genetic material…

Q: The outer layer of the blastocyst, which attaches to the uterine wall, is the (a) yolk sac, (b)…

A: After fertilization, when the embryo reaches the fifth or sixth day, blastocysts' formation occurs.…

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: 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 are the ligaments that support the uterus?

A: Female reproductive tract is supported by three categories of ligaments and the are broad ligament:…

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: Into which structures do the trophoblast cells of the developing embryo, differentiate?   a)   The…

A: The fusion of male and female gamete produces zygote. This process is known as fertilisation. Zygote…

Q: Define segmentation, and give two examples of segmented structures in the embryo.

A: The science that investigates the processes by which multicellular organisms like plants and animals…

Q: a) Give two types of germ layer and what do they become (b)Briefly describe why it is important the…

A: Germ layers: a. The three layers of tissues that become established during the early embryonic…

Q: what term describes the narrow end of the uterus?

A: The uterus is a hollow muscular organ located in the female pelvis between the bladder and rectum.

Q: Which embryonic germ layer lines the inner surface of the archenteron? Which embryonic germ layer…

A: Archenteron During the gastrulation stage, the primary gut that forms in the developing embryo…

Q: How does the mother’s circulatory system provide nutrients to the fetus without allowing the blood…

A: The foetus depends on the mother for deriving oxygen and nutrients during pregnancy.  The…

Q: What determines whether an embryo will develop into a male or a female?

A: The process of fertilization is the union of male and female gametes. It results in the formation of…

Q: By what means does the uterus greatly increase in size and weight during pregnancy?

A: The uterus is the organ of the body that facilitates the development of the fetus. The size and…

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: Identify the labeled structures in the embryo shown:

A: Archenteron is a structure which is observed in a developing embryo in the Gastrulation stage. It is…

Q: hich structure is the outermost extra-embryonic membrane? A ) Placenta ‘ B ) Yolk sac D ) Chorion

A: An extraembryonic membrane is one among the membranes that assist within the development of the…

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: Identify three structures that originate from ectoderm.

A: The ectoderm is the outermost layer. It is superficially present outside the mesoderm and endoderm,…

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 hormones are secreted by the placenta to helpmaintain pregnancy and facilitate birth?

A: Oestrogen and progesterone are two steroid hormones produced by the placenta. Progesterone helps to…

Q: If gastrulation did not occur properly and one of the primarygerm layers wasn’t formed, would the…

A: The zygote which is formed after fertilization undergoes cleavage division to form a mass 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: Is an embryo a life?

A: Reproduction is a process through which an organism produces organisms of similar kinds. It is of…