From which germ layer doblood cells originate? Whatare other organs and tissuesmade from that germ layer?

Q: What is the importance ofthe uterine glycogen-producing glands?

A: Uterine glands or endometrial glands are tubular glands, lined by ciliated columnar epithelium,…

Q: What is myometrium?

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

Q: How many days after ovulation does implantation occur, and inwhat stage is the conceptus at that…

A: Implantation is the stage when the embryo adheres to the uterine wall after fertilization. Ovulation…

Q: Name the extraembryonic membrane that gives rise toeach of the following: umbilical blood vessels,…

A: Embryology is the study of development and growth of fertilized eggs(zygote) into mature embryo that…

Q: Why is it important for the ductus arteriosus and foramen ovale to both close after birth?

A: The foramen ovale typically closes a half year to a year after the infant's introduction to the…

Q: What are the mainsubstances transferred fromthe mother to the fetusthrough the placenta? Andfrom the…

A: The placenta is the connecting link between the fetus and the other. It is generally found in the…

Q: What is the functional significance of the stratum basalis of the endometrium?

A: Endometrium: It is the inner lining part of the uterus which has two layers. Stratum basalis and…

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: When do hCG levels spike during pregnancy?

A: Human chorionic gonadotropin (HCG) is a hormone, which is secreted by the cells that are surround a…

Q: What causes the newborn to take its first breath immediately after birth?

A: The amount of CO2 accumulated in the baby body caused acidosis

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: Katie was getting nervous. At 16, she was the only one in her group offriends who had not started…

A: Humans have 22 pairs of autosomal chromosomes and a pair of sex chromosomes. The sex chromosomes…

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: What cells are responsible for the blood-testis barrier and what are some unique features of these…

A: The cell is the basic unit of life. The tissue is a group of cells that perform a specific function.…

Q: What route would oxygen in the mother’s blood follow to arrive at abody cell of the fetus?

A: In order to transport the oxygen to the fetus from the mother to the fetus the structure called…

Q: How does a morula differ from a blastocyst?

A: Morula Vs Blastocyst:         Morula stay distinct from a blastocyst, in which a morula (3-4 days…

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: 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 cell divisionduring the first stage of theembryonic developmentcalled? How is this…

A: The process by which a parent cell divides into two identical daughter cells, is called Cell…

Q: What is the major function of the Placenta?

A: The placenta is an organ that develops in uterus during pregnancy. The placenta is the interface…

Q: Which are the phases ofthe menstrual cycle?

A: The phenomenon of sloughing of the walls of the uterus in an orderly manner is called menstrual…

Q: what are fetal blood vessels that underwent transformation as a result of transition from a fetus to…

A: The fetus refers to an offspring of a human or animal that is yet to be born. The fetus develops…

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: Explaintheroleofmitosisin: (a) A developing embryo (b)Anadult:

A: An embryo is the early stage of the development of a multicellular organism. In organisms that…

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: From which germ layer dothe epidermis and the nervoussystem originate? What areother organs and…

A: Germ layers A germ layer is a type of cells present in the embryo; these cells give rise to all…

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: What is the physiological benefit of incorporatingshunts into the fetal circulatory system?

A: The fetus during pregnancy is dependent upon the mother for its nutrition. The circulatory system…

Q: What happens during the secretory phase of the endometrium?

A: The uterine cycle represents the cyclic changes that occur inside the uterus of a female.

Q: Why it is essential for a new born baby to cry when he is born?

A: The first cry is important for the survival of the newborn. During the gestation period, the baby…

Q: What is the lining of the uterus that sheds called?

A: Uterus is the part of female reproductive system and is a muscular organ for the implantation of the…

Q: What is the process in which the germ tissue layers form?

A: Germ layers are the three primary cell layers, formed in the earliest stages of embryonic…

Q: Why is fetal Hb essential for the survival of placental animals?

A: Hemoglobin is an oxygen transport protein in mammals. It is made up of four sub-units. Adult…

Q: What is gastrulation? Howduring gastrulation are thefirst two germ layers formed?What are these germ…

A: Reproduction is the process of development of new offspring from the existing organisms. It is of…

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: 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 primary oocytes and secondary oocytes?

A: Ovaries are the primary sex organ of a woman. They undergo a process known as oogenesis.

Q: Describe how the following components relate to the placenta: umbilical arteriescotyledons, fetal…

A: When an egg is fertilised, it separates into two parts: the embryo and the placenta, which grows…

Q: Does the hypophysis-ovaries endocrine axis work inthe same way duringpregnancy as in…

A: MENSTRUAL CYCLE:- In this cycle, the preparation of the uterine wall occurs accompanied by…

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 illustrations of the flow of blodd from chambers of the heart to the mammary gland of a…

A: Blood is the key body fluid responsible for carrying nutrients and respiratory gases to different…

Q: What are interstitial cells or Leydig cells?

A: The testicle is also called as testis. It is a male reproductive gland or gonad in all animals,…

Q: Name the membrane that protects foetus and secretes protective fluid.

A: Foetus is the growing and evolving embryo that has undergone organogenesis and is developing into a…

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…

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…