How is the yolk formed?

Q: What is myometrium?

A: The uterus is an inverted pear-shaped muscular pouch which is a part of female reproductive system.…

Q: What causes the contraction of the uterus ?

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

Q: What are the functions of the trophoblast?

A: The embryo can be defined as the early stage of development of a multicellular organism. In general,…

Q: how are babies made

A: You understand the essentials of how kids are created: a man and woman have intercourse, and a…

Q: Describe the process of oogenesis

A: Sexually reproducing organisms have a reproductive system consisting of primary sex organs called…

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: 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: 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: What aids in the differentiation or the maturation of the oogonium into a mature ovum?

A: Oogenesis is the process of formation of ovum. It occurs in ovary of female.

Q: When does gastrulation occur?

A: Gastrulation occurs during week 3 of Human development. The process of gastrulation generates the…

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: How does human foetus derive nutrition?

A: A fetus is also called as foetus. It is an unborn offspring, from the embryo stage (the end of the…

Q: What is ovum?

A: The fusion of the sperm and the egg is what brings about the formation of the zygote, which will…

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: Is there a exchange of cells between the mother and the fetus through the placenta?

A: We have to explain whether there is an exchange of cells taking place through placenta.

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 hormones regulate the synthesis and ejection of milk?

A: The hormone is a regulatory substance that is synthesized in an organ named the endocrine gland and…

Q: How does oogenesis produce egg cells?

A: Oogenesis is a type of gametogenesis that results in the production of female gametes, also called…

Q: Where does the formation of germ cells and sperm takes place?

A: Developmental biology is that the branch of biology that deals with the study the processes by that…

Q: Which structure connects the embryo to the placenta?

A: Umbilical cord

Q: What are the functions of somites?

A: To define  functions of somites

Q: How does senescence occur?

A: In biology, senescence could be a method by that a cell ages and Completely stops dividing however…

Q: What are somites?

A: Somites A somite is a division of the body of an animals or embryo. Somites are bilaterally paired…

Q: What is the function of the placenta?

A: Placenta is formed after implantation of the embryo has occurred on the uterine wall. It is a…

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: Where does fertilization normally occur?

A: Reproduction ensures the continuity of species on earth. It can occur in two ways that is sexual…

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: What is the significance of gastrulation?

A: Gastrulation is the embryonic stage in which all the germinal layers are being developed. It is a…

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 oogenesis? Give a brief account of oogenesis.

A: The female reproductive organs comprise primary sex organs (ovaries) as well as accessory sex…

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: 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: How does the fertilized egg give rise to the adult body?

A: Introduction  Life starts from single cell called Zygote. Zygote is the single diploid cell resulted…

Q: hat's an embryo?

A: In the sexual reproduction, animals bears two types of gametes. One is the female gamete known as…

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: Where oogenesis does takes place. Describe the stages of this process?

A: Diagrammatic representation of oogenesis: -

Q: Why does amenorrhea occur?

A: Menstrual period refers to shedding of the thickened uterine wall along along with unfertilized ovum…

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: In the adult Primordial Germ Cell, How many artia are present at thid stage? Discuss.

A: By the fourth week of pregnancy, primordial germ cells are seen near the allantois of the embryonic…

Q: What is a fertilized egg called?

A: Sexual reproduction is a type of reproduction that involves a complex life cycle in which a gamete…

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: Which germ layer of a blastocyst gives rise to muscle and connective tissues?

A: The mesoderm give rise to muscle ,connective tissue , lymphatic system bones,circulatory system,etc.

Q: What is the time period for which sperm and egg are viable?

A: The mixed glands that serve the function of gamete production in the male reproductive system and…

Q: What is Fertilization?

A: The expansion in size and changes in shape of a creating life form rely upon the increment in the…

Q: How does the yolk help in forming a permanent solution?

A: How does the yolk help in forming a permanent solution?