During gastrulation, three germ layers form. All the cells, tissues, and organs in the body come from these germ layers. Match each germ layer to the system, organ, or structure it will form. 1. endoderm 2. mesoderm 3. ectoderm Liver Brain Heart Skin

Q: What happens to the embryo after week 8? Select one: a. All organ formation has completed, so the…

A: Fetal development within the womb is called prenatal development. It is a process that occurs in…

Q: Which of the following are derived from 'trophoblasts'? 1.  epiblast 2.  hypoblast 3.  amnion 4.…

A: After fertilization of the egg and ovum, they produce zygote that start developing by repetitive…

Q: Please match the early developmental structure on the left with the human structure it develops into…

A: Fertilization is a process in which male and female gametes fuse with each other to form Zygote .…

Q: hy is it that the first trimester of pregnancy the most critical in humans? How will you relate it…

A: It is the early phase of pregnancy. The first trimester is marked as 1st day after your last period…

Q: ......... is not developmental event in human and frog.   After fertilization rapid cycle of…

A: Fertilization is the event that marks the fusion of the female and male gamete which leads to the…

Q: The outer layer of the blastocyst that attaches to the wall of the uterus at implantation is called…

A: The blastocyst is the early structure of the development. It consists of the inner cell mass which…

Q: During the embryonic development, the trophoblast will develop into Select one: a. the yolk sac b.…

A: Embryonic development (embryogenesis) refers to the process by which an animal or plant embryo…

Q: Congenital heart defect may result from initial problems with which of the following embryo germ…

A: The congenital heart defect is a difficulty with the development of heart structure at the time of…

Q: The first “milk” the mother produces is called ______________. After an egg is fertilised it is…

A: These questions are related to embryology and lactation. I will answer all three in next step along…

Q: Construct a Table to show the differentiation of the Germ Layers: ( It is a known fact…

A: Introduction The process of forming and developing an embryo from a zygote or a somatic cell is…

Q: The Life Cycle of the Horse Embryo Process 2 Zygote Process Gametes Process 3 Reproductive organs…

A: The life cycle of a horse, like many other sexually reproducing organisms, involves a series of…

Q: The beginning of brain and spinal cord formation is termeda. cephalocaudal folding.b.…

A: Gastrulation process is characterized by formation of three primary germ layers, they are ectoderm,…

Q: There are 6 major events in fertilization. Discuss the process of fertilization or conception, with…

A: Fertilization is a process in which male pro nuclei and female pro nuclei come together(fuses that…

Q: The formation of three germ layers is called Select one: a. gastrulation b. pluripotency c.…

A: A zygote is the fertilized egg that is formed by the fusion of the egg and the sperm via the process…

Q: A friend in your dormitory, a freshman, tells you that she just discovered she is 3 months pregnant.…

A: After fertilization, the fetus develops within 8 weeks. Most of the prescriptive and…

Q: During the formation of mesoderm and its derivative structures and tissues, several of the five…

A: Step 1 The mesoderm is the third germinal layer that appears in the third week of embryonic…

Q: List the five regions of the mesoderm, and identify some major body parts derived from each region.

A: One of the three germ layers that lie between the other two germ layers called the ectoderm, and the…

Q: What will guide them to make the right decision?  Do they have a choice?

A: Answer: 1.trophobalst or icm if cells choose to become they will end up in the placenta and if they…

Q: Identify five (5) differences between frog and mammalian ovaries. Ovary Characteristics Frog…

A: Mammals, which include humans, are warm-blooded creatures having hair and vertebrates, or…

Q: Use this storyboard to write and illustrate the journey of an egg from ovulation to menstruation.…

A: The egg is formed in the ovary of a female. The eggs are present in the female since birth. Each…

Q: Component of bilaminar germ disc: a.Hypoblast and endoderm b.Epiblast and hypoblast c.Epiblast and…

A: INTRODUCTION       In the inner cell mass the bilaminar embryonic disc may formed two layers of…

Q: The following development takes place during the THIRD TRIMESTER a.   a yolk sac appears b.   a…

A: Introduction :  The term "placenta" refers to a vascular structure that forms in the uterus of…

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: What are the pathways through which a neural tube defect can occur? Select one or more: O A. Failure…

A: The following three variables have played an important role in the assessment and prevention of…

Q: Which of the following is not an extraembryonic membrane?a. amnionb. mesodermc. choriond. yolk sac

A: The embryo is an initial development phase of the eukaryotic organism following the egg…

Q: Fill in the first missing blank and check the rest to make sure they are correct.

A: Refer to the answer for the explanation. Correct answer is marked with bold letters.

Q: Which of the following statements concerning oogenesis is false?   Oogenesis begins before birth.…

A: Oogenesis is the process by which an ovum (egg cell) differentiates into a cell capable of…

Q: Which of the following is false? a. The endoderm, mesoderm, ectoderm are germ layers. b. The…

A: The fusion and amalgamation of the male spermatozoa with the ovum of the female are the…

Q: Endoderm Mesoderm Ectoderm Match the structures below with the correct germ layers listed above…

A: The germ layer: The primary layer of cells. It is formed during embryonal development. The…

Q: Which of the following rows correctly identifies the development of the germ layers? Select one:…

A: The germ layers are an embryonic collection of cells that aid in the creation and development of…

Q: From what you know about embryonic development, do you think that a cell from the inner cell mass or…

A: The outer germ layer from which the nervous system is derived during embryonic development is called…

Q: After the zygote undergoes several mitotic divisions, the resulting structure that implants in the…

A: Fertilization is the process in which gametes fuse to form a zygote. The zygote undergoes several…

Q: 10. Draw and label a 14-day conceptus showing the chorionic sac, the chorionic cavity. Be sure and…

A: During the early stages of embryonic development, various structures and layers form within the…

Q: Use the following information to answer the next question. Have you ever watch an old movie or…

A:

Q: When the embryo is implanted, what developmental stage this be? cleavage fetus blastula gastrula

A: Sexual reproduction in humans includes a fusion of sperms and eggs to form a zygote.

Q: Complete the following table with the organs/systems that arise from each of the germ layers Germ…

A: There are three embryonic germinal layers that covers the embryo. The outer layer is called…

Q: When does an embryo become a fetus? Select one: a. When gastrulation forms the three primary germ…

A: At the end of the 8th week after fertilization (10 weeks of pregnancy), the embryo is considered a…

Q: What's the process of gastrulation in humans, how the embryo forms the three germ layers, and which…

A: The inner cell mass which is known as Blastula is now grown into a cell mass known  Gastrula and…

Q: Label each tissue with the specific source germ cells: v Gastrointestinal tract A. Intermediate…

A: We are tripoblastic organisms that means we contains three types of germ layers that includes…

Q: During the organogenesis stage, several of the five essential developmental processes take place.…

A: I have discussed a primary step of organogenesis which is crucial for further development in next…

Q: Which of the following is not derived from the ectoderm? a. adrenal medulla b. epidermis of skin c.…

A: The cell is known to be the fundamental unit of all life forms. Those who are similar in functions…

Q: Please explain Gametogenesis only in Embryology and Development Process of human.

A: Gonads are the sex glands that develop from the mesoderm of the embryo. The main function of the…