Q: What is menstrual cycle? Which hormones regulate menstrual cycle?
A: Reproductive system is involved in sexual reproduction. The male and female reproductive systems…
Q: At what time in the menstrual cycle is the level of thefollowing hormones high, and what is the…
A: The mensural cycle refers to sequential changes that occur within the female reproductive system by…
Q: Why do GnRH levels increase at the beginning of puberty?
A: Puberty is the phase of sexual maturation in an individual. The process of puberty occurs between…
Q: During the menstrual cycle, the DEGRADATION of the corpus luteum causes what?
A: Menstrual cycle is a regular change occurring naturally in the reproductive system of a female. The…
Q: Why does the body temperature increase during the second half of the menstrual cycle?
A: In the female reproductive system, the menstrual cycle is the regular natural change that occurs…
Q: After menses what is thehormone that influences thematuration of the ovarianfollicles?
A: Menstruation cycle is part of the female reproductive cycle. It's a series of events which takes…
Q: Describe the events of the uterine cycle.
A: Under the influence of progesterone and estrogen, the endometrial lining of the uterus undergoes…
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: What does the significance of a female know her menstrual cycle’s duration and interval?
A: During puberty, females undergo a number hormonal changes and a process called menstruation occurs…
Q: How will the feedback mechanism in the menstrual cycle responds if there is a high level of…
A: Introduction: Menstrual cycle is the monthly cycle of changes in the ovaries and lining of the…
Q: What are the Principal Actions of Testosterone?
A: ACTION OF TESTOSTERONE: ANABOLIC EFFECTS OF TESTOSTERONE: Primary anabolic steroid is testosterone.…
Q: Implantation occurs in what structure of the female reproductive system?
A: In human beings, the process of implantation is the stage of the pregnancy where the developing…
Q: What is the menstrual cycle? Name the Hormones which control the menstrual cycle.
A: Step 1 In relation to reproduction, the life cycle of an individual is divisible into three phases –…
Q: What naturally occurring event could rescue the corpus luteum and prevent its degeneration starting…
A: Menstruation can be defined as bleeding from the uterus of adult females at intervals of one lunar…
Q: What are the factors that influence production of androgens in the testis?
A: Androgens are the male sex hormones, which are formed in the testis. It promotes the sexual…
Q: Which of the following hormone levels would normally indicate that ovulation has occurred or is…
A: It is process when a mature egg is released from ovary, pushed down the fallopian tube, and is…
Q: Why do anabolic steroids lead to reduced sperm counts?
A: A steroid is an organically dynamic natural compound with four rings orchestrated in a particular…
Q: How do levels of hormone vary in the different phases of the menstrual cycle? Explain each hormone.
A: The female reproductive system comprises the uterus, ovary, fallopian tube, vagina, vulva. This…
Q: What is parturition? Which hormones are involved in induction of parturition?
A: Pregnancy is also termed as gestation during which one or more offspring develop in the uterus of a…
Q: What hormones are associated with the female reproductivesystem, and what is the function of each…
A: Reproduction is the process of formation of an offspring from the parent organism. Reproduction can…
Q: Which factors is in initiating parturition remains unclear?
A: Parturition is the process of giving birth to the baby. It is also called labor.
Q: Which structures are responsible for maintaining levels of estrogen in during pregnancy?
A: In spite of the fact that progesterone dominates all through pregnancy, estrogen is likewise vital.…
Q: What is the effect oestrogens on the ovaries?
A: Ovaries are referred to as the female reproductive structure responsible for producing female sexual…
Q: What is the first hormone secreted that prevents a menstrual cycle, thereby blocking removal of an…
A: The eggs which are released by ovulation by the ovaries are funelled into the fallopian tubes by…
Q: what is the role of oestrogen and progesterone in the female life cycle?
A: Oestrogen and progesterone are primarily steroids and these are the hormones secreted in females for…
Q: What would happen to the LH/FSH blood levels after menopause (the cessation of the ovarian and…
A: Luteinizing hormone and follicle-stimulating hormone are called gonadotropins because they…
Q: Within a single menstrual cycle, what is the approximate day of ovulation?
A: At the age of puberty, every young woman starts to ovulate. This is the period when the ovum matures…
Q: How are prolactin and oxytocin related to both the uterine changes and lactation?
A: Lactation refers to the act of releasing milk from the breasts of women who have delivered their…
Q: What are the functions performed by the testis in human beings?
A: Reproduction is a biological process, which ensures the continuation of species. The human male…
Q: What effect do estrogen and progesterone have upon the uterine lining?
A: Menstruation is bleeding begins on the first day of the menstrual cycle that occurs in females.
Q: What is the connective tissue capsule surrounding each testis called?
A: Connective tissue is one of the four basic types of tissues found in animal that provides structural…
Q: If an adult male were castrated (testes were removed), what wouldhappen to the levels of GnRH, FSH,…
A: Gonadotropin-releasing hormone causes the pituitary gland in the brain to make and secrete the…
Q: What surrounds the oocyte when it is in a primary follicle?
A: Primordial germ cells migrate into the gonad early in the embryogenesis and they differentiate into…
Q: How will the feedback mechanism in the menstrual cycle responds if there is a high level of…
A: A feedback mechanism or feedback loop is a physiological regulation system in a living body that…
Q: what are the effects of increased level of oestrogen in the follicular phase of the menstrual cycle
A: Hormones are the chemical messengers also known as signaling molecules that help in the signaling.…
Q: what specific region of the male reproductive system fills with blood,causing erection?
A: The male reproductive system comprised of penis, scrotum, testes, epididymis, vas deferens,…
Q: Is there a tube that sends ovulated oocytes from the ovary directly to the uterine tube?
A: Ovaries are attached to the outer surface of the uterus by ovarian ligaments. Uterine tube expands…
Q: What conditions in the female reproductive tract are unfavourable to the survival of the sperm?
A: Female reproductive system comprises of primary sex organ and accessory sex organs. Primary sex…
Q: What are the steps for the menstrual cycle? Beginning with the Hypothalamus.
A: Menstruation is the eimination of the thickened lining of the uterus from the body through the…
Q: what hormones suppress GnRH, FSH and LH production in the luteal stage?
A: INTRODUCTION Luteal stage Leuteal stage is one of the stage in menstrual cycle. This stage usually…
Q: What hormones does the ovary produce?
A: Ovaries: Along either sides of the uterus are 2 tiny, oval-shaped glands called the ovaries. Eggs…
Q: Which hormone is correlated with the thickening of the endometrium?
A: Ovary is the primary female reproductive organ which is responsible for the production of female…
Q: What is the role of testis?
A: Introduction :- Inside the scrotum are two little organs known as the testes. The testes are…
Q: which hormone is capable of negative and psitive feedback effects on the pituitary gland during the…
A: Menstruation is cyclic discharge of unfertilised egg, debris, tissues from uterus along with blood.…
Q: What is the endocrine function of the placenta?
A: Endocrine glands secrete different hormones into the blood. Some major endocrine glands are pineal…
Q: What is the endocrinefunction of the placenta?
A: Placenta is the organ that develops in the uterus during pregnancy. This structure is essential for…
Q: How many stages are there in the menstrual cycle?
A: Menstrual cycle is a characteristic of primates (monkeys, apes and humans). It starts at the time of…
Q: Which cells produce testosterone?
A: Introduction Testosterone is male sex hormone which controls secondary sexual characters and other…
What event in the uterine cycle occurs when estrogen
and progesterone levels decline?
Step by step
Solved in 4 steps
- Which hormones influence the menstrual and ovarian cycles?Which hormones influence the development of sperm?What uterine events are occurring when primary follicles are maturing during the follicular phase of ovarian cycle? What is the dominant ovarian hormone during: i. The follicular phase of the ovarian cycle? ii. The luteal phase of the ovarian cycle?
- Which hypothalamic, anterior pituitary gland, and ovarian hormones control the menstrual cycle?Describe the function of each of the following hormones in the uterine and ovarian cycles: GnRH, FSH, LH, estrogens, progesterone, and inhibin.How do levels of hormone vary in the different phases of the menstrual cycle? Explain each hormone.
- Why do anovulatory cycles lead to dysfunctional uterine bleeding?During the proliferative component of the ovarian cycle which of the following is the characteristic hormone? (A) estrogen (B) progesterone (C) inhibinAt what time in the menstrual cycle is the level of thefollowing hormones high, and what is the effect of thiselevation? (1) LH, (2) progesterone, (3) estrogen, and(4) FSH
- What are the organizing effects of sex hormones? Compare the negative feedback loops in the male reproductive system with those of the female’s reproductive cycle. Describe an example of positive feedback involving estrogen that leads to ovulation. What are the hormonal changes during the luteal phase of the menstrual cycle?which hormone stimulates the release of androgen binding proteins from the testes? Testosterone, LH, GnRH, or FSH.What makes progesterone (purple line) rise during the second half of the menstrual cycle, and what makes it fall at the end of the cycle? (Hint: Where is this progesterone coming from?)