In cryptorchidism, one or both testes of an infant have not descended into the scrotal sac by the first birthday. In these cases, the testes are surgically descended. Why must the testes be descended if the later fertility of the child is to be maintained?

Q: Name the cells of testes that produce male hormones.

A: The reproductive system of an organism is also known as the genital system. It is the biological…

Q: Describe the effects of FSH and LH on the ovary.

A: We can say that the ovary can be defined as the organ found in the female reproductive system that…

Q: Name the structure that keeps testis in their position.

A: The male reproductive system is located in the pelvis region. The functions of the male reproductive…

Q: Which cells that are involved in production of sperm are outside of the blood-testis barrier (i.e.,…

A: The BTB (blood test barrier) is the tightest barrier in a mammalian body. The BTB limits the…

Q: describe implantation of a blastocyte using simple label diagrams.

A: Introduction :  In males, the parent organism creates a haploid sex gamete known as sperm, and in…

Q: Describe the internal structure of a testis. Where are sperm cells produced? What are the functions…

A: BASIC INFORMATION  MALE REPRODUCTIVE SYSTEM  It includes different organs namely; Scrotum, Spermatic…

Q: Describe the most important function of the ovarian follicle

A: The functional unit of the mammalian ovary is the ovarian follicle. The oocyte (germ cell) is…

Q: Explain why sperm cannot fertilize an egg immediately after ejaculation?

A: The reproductive system(male and female) is a complex system with a number of interconnected…

Q: What changes, if any, might occur in the secondary sexcharacteristics of an adult male following…

A: SECONDARY CHARACTER OF MALE Infertility. It includes facial and chest hair. Increased body hair.…

Q: Name the process of shedding of placenta from the uterus of mother after the birth of a baby.

A: When a sperm fuses with the egg a zygote is formed. This zygote further divides to form an embryo.…

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

A: According to the question, Here we need to explain the reason for the testes located outside 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: Distinguish between parthenogenesis and hermaphroditism.

A: The biological process through which an organism produces its offspring from its parents is called…

Q: the testes important? Why are men with low sperm counts advised to wear loose-fitting undergarments…

A: The male reproductive system includes the penis, scrotum, testes, epididymis, vas deferens,…

Q: Outline the postfertilization events that lead to formation of a blastocyst.

A: Reproduction is the phenomenon of producing offspring from the parent. The reproduction can be…

Q: What are the clinical uses of conbined oral contraceptive pills other than prevent fertilization and…

A: The birth control pills are the pills which helps to prevent the unwanted or unexpected pregnancy.…

Q: Name the structures that regulate the temperature of the testes, and explain how they function to…

A: The reproductive organs that function to produce the motile male gamete called sperm, and the sex…

Q: Discuss the process of spermatogenesis in the testes.

A: BASIC INFORMATION  GAMETOGENESIS  It is the process of formation of gametes. The diploid…

Q: Describe oogenesis and follicular development

A: The process through which organisms produce other creatures that are similar to themselves is known…

Q: If a male has a vasectomy, is he still able to producesperm? If so, what happens to those sperm? How…

A: Vasectomy refers to the surgical sterilization procedure of men. In a vasectomy, the vas deferens…

Q: Describe the transit of breast milk from lactocytes to nipple pores.

A: Lactation refers to synthesizing and secreting the milk from the mammary glands of the breast of a…

Q: Why are the males whose testes fail to descend to the scrotum considered infertile?

A: Testes are also known as testicles and they are a pair of sperms producing organs which helps in…

Q: Explain the mechanisms by which the uterus returns close to its prepregnancy size.

A: Gestation or pregnancy is the period during which the offspring develops within the uterus of a…

Q: Why must the primary spermatocyte move through the blood–testis barrier before undergoing meiosis?

A: The blood-testis barrier (BTB) function to provide an immunological barrier to complete the process…

Q: Explain the hormone-responsive nature of endometrial tissue and link this to the pathology of…

A: The uterus consists of three layers: 1. Perimetrium- outer layer 2.myometrium- middle layer 3.…

Q: Which gene is responsible for the development of the gonads into testes?

A: Introduction Chromosomes are classified into two types: Autosomes and Allosomes/Sex chromosomes. The…

Q: Compare and contrast the Spermatogenesis and structure of the testes of: Rat (Vertebrates) Starfish…

A: Introduction: Spermatogenesis is the process by which male germ cells, called spermatogonia, undergo…

Q: escribe and explain a human condition that results from the abnormal development of the somite.

A: The development of somite involves the process of segmentation. Segmentation is the process by which…

Q: What is the difference between a primary and secondary spermatocyte

A: Reproduction in humans or vertebrates occurs through the fusion of male and female gametes. Sperms…

Q: The uterine cycle can be divided into three continuous phases. Starting from the first day of the…

A: The humans reproduce by the process of sexual reproduction. This process includes the fertilization…

Q: Define endometrium

A: Uterus is a pear shaped organ of the reproductive system.It functions to hold the growing fetus and…

Q: Describe the descent of Testes.

A: The male reproductive organs accountable for the production of sperm and testosterone are the testes…

Q: What is this condition that results if the fertilized egg fails to descend down to the uterus?

A: Reproduction is the process by which an organism creates more of its own progeny. Reproduction is…

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: Describe the effects of steroid hormones on the cervix as they change during the oestrous cycle

A: Oestrogen, progesterone, testosterone, cortisol and aldosterone are just a few examples of the…

Q: Describe the blastocyst's implantation into the uterine wall.

A: Introduction: The blastocyst is a separate stage of the mammalian embryo. It comprises an inner mass…

Q: Enumerate: 1) Structures passing through inguinal canal. 2) Constituents of the spermatic cord.

A: Introduction: The inguinal canal is an oblique intermuscular channel located slightly above the…

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: Name the structure formed by the villi of the embryo and the uterus of the mother.

A: The uterus or womb is a major female hormone-responsive secondary sex organ of the reproductive…

Q: Is an orgasm required for fertilization to occur?

A: Reproduction is the basic characteristic of a living organism. Life is sustained on the earth…