Gastrulation is brought about by an invagination of the blastula. True or False?

Q: Why fertlization doesnot takes place if the sperm count is lower?

A: The man's body makes tiny cells called sperm. During sex, ejaculation normally delivers the sperm…

Q: Define vulva.

A: Humans exhibit organ system level of body organization.

Q: What is the histological difference between a morula and a blastocyst?

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

Q: what is an anatomical terms of navel

A: The anatomical term of the navel.

Q: Name the phase in the menstural cycle in which the remnant of follicle in the ovary turns into…

A: The menstrual cycle is a very complex mechanism in female reproductive system and is controlled by…

Q: Why should undescended testes not go untreated?

A: The testes are a pair of organs that preserve the health of the reproductive male system. The testes…

Q: What impact does the growth of the uterus during pregnancy have on other organs of the abdomen?

A: During pregnancy, the uterus grows slowly as the fetus grows and develops. The upper part of the…

Q: What would be the consequences if polyspermy was not prevented? How does the zygote (or morula or…

A: Polyspermy:- it is a condition in which single oocyte is usually penetrated by more than one sperm.…

Q: Describe the formation and implantation of a human blastocyst

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

Q: Name the membranous flap present in vaginal orifice.

A: The female reproductive system consist of ovaries, fallopian tubes, uterus, vagina and external…

Q: In cryptorchidism, one or both testes of an infant have not descended into the scrotal sac by the…

A: Cryptorchidism is the absence of testes (one or both) from the scrotum. It is a common birth defect…

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: When does gastrulation occur?

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

Q: To which structures do the mesovarium, ovarian ligament, and suspensory ligament anchor the ovary?

A: The female gonad that lies in pair along either side of the uterus in the female body's pelvic…

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: How old is an ovulated oocyte of a 35-year-old woman? What consequences does this have?

A: Fertility changes with age. For a woman, the beginning of their reproductive year starts onset of…

Q: What hormone stimulates the development of an ovum

A: The cycle of menstruation is perplexing and is constrained by a wide range of organs and the…

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: When an ovum gets fertilised, menstural cycle stops temporarily in a woman?

A: Every month the inner lining of the uterus known as endometrial layer degenerates following the…

Q: Why must a baby suckle on the areola and not only on the nipple?

A: Breastfeeding is the feeding of babies and young children with milk from a woman's breast. During…

Q: How many days after ovulation does implantation occur?

A: The menstrual cycle is a reproductive cycle that occurs in females. During this cycle, ovarian…

Q: Name the structure that connects the placenta with the foetus.

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

Q: Name the structure that hold the testis in position.

A: Male reproductive system is responsible for the production of gametes i.e., sperms to carry out…

Q: What physical processes initiates and accomplish the formation of the gastrula?

A: Gastrula is an early multicellular embryo made up of two or more germinal layers of cells from which…

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 are the three germ layers formed during gastrulation?

A: Developmental Biology is the field of biology that studies the processes by which multicellular…

Q: Why testes of human males are considered extra abdominal? What is the significance of this…

A: The male reproductive system of humans is a group of inter associated organs, which help in the…

Q: Which of the following female structures is homologous to the male scrotum?   A. vagina   B.…

A: An organism's reproductive system, also known as the genital system, is the biological system which…

Q: Name the canal through which the testis descend into scrotum just before the birth.

A: Testes are the primary organs of human males. They are the site for the production of sperms and…

Q: Implantation of a blastocyst does not always happen.  Approximately how many days after…

A: Fertilization of the secondary oocyte in the oviduct forms zygote which in turn divides by cleavage.…

Q: Give the name of the structure that the phrase describes. The fetus first doubles in size between…

A: Embryology is the study of the early development of animals from the fertilized egg to the…

Q: Which of the following rows correctly identifies the source of placental formation?

A: During pregnancy, the placenta attaches the developing fetus to the uterine wall of the mother. It…

Q: Despite the presence of So many sperms in the vicinity of an egg cell, only one sperm enters the…

A: Fertilization is a process in which male and female gametes fuse to form a zygote. This zygote…

Q: Name the tubular structure present on upper end and side of testes.

A: Male reproductive system consists of various glands, ducts and supporting structures.

Q: What happens if the mature ovum is not fertilized in a female? Name the process.

A: Reproductive system of an organism is also called a genital system. It is a biological system made…

Q: What is a lobule of the testis?

A: The reproductive system of human is an organ system through which human reproduces and bears live…

Q: Describe the labia minora, the prepuce, the labia majora,the pudendal cleft, and the mons pubis.

A: Reproduction is the process of producing new individuals of the same species. It is broadly…

Q: Why are male testes located outside the abdominal cavity?

A: Testis are the primary male gonads in human. The sperm production is carried out in testes. There…

Q: Define ova.

A: Karl Ernst von Baer was the one who  discovered the mammalian ovum in the year 1827.

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: Prepare a labeled sketch of a representative section of the testis.

A: The male reproductive system consists of parts for the production of gametes and copulation. The…

Q: Name the condition in which testis fail to descend into the scrotum and are retained within abdomen.

A: The primary reproductive organs include testes in males and ovaries in females. They are concerned…

Q: Why and when done emasculation?

A: Artificial hybridization is one of the major approaches of crop improvement programme. In this…

Q: Enlist any two functions of a female placenta.

A: A fetus is the unborn offspring of an animal that develops from an embryo. The placenta is a…

Q: Name the process of onset of menstural cycle on purbety.

A: Step 1 The menstrual cycle is regular reoccurring physiological changes found in human females as…

Q: Name the peritoneum that attach ovaries with the abdominal wall.

A: The female reproductive system performed diverse functions. It produces ovum also known as an egg.…