Explain the concept of negative feedback using the male reproductive hormones (hormonal control of spermatogenesis) starting with the hypothalamus.
Q: Trace the path of sperm from its formation in the seminiferous tubules up to ejaculation.
A: The male reproductive system is located outside of the body. These external structures include the…
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 4 factions of progesterone during the menstrual cycle.
A: Every month in the time between puberty and menopause, a woman’s body undergoes a number of changes…
Q: Define spermiogenesis and spermiation.
A: The process of the development of male gametes or sperm cells is referred to as spermatogenesis.…
Q: State the role of the ampullary-isthmic junction in the female reproductive tract.
A: Introduction Life starts from single cell called Zygote. Zygote is the single diploid cell resulted…
Q: In a menstrual cycle that does not result in pregnancy,a. LH stimulates follicle development early…
A: A menstrual cycle is a period divided into four different phases : Follicular, Ovulatory and Luteal…
Q: Identify the structures involved in sperm development and ejaculation.
A: The reproductive arrangement of an organic entity, otherwise called the genital framework, is the…
Q: Give the significance of the following: a. spermiogenesis b. acrosome formation c. sperm…
A: The sperms are produced in the primary sex organ of males and it is the haploid gamate that fused…
Q: Identify and explain the role of hormones associated with the human reproductive system
A: The reproductive system is a system that comprises of sex organs within an organism that works…
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 the events in the ovarian cycle leading up to ovulation.
A: The menstrual cycle is a periodic cycle seen in the females of the order primates. It starts at the…
Q: Explain how the female hormones GnRH, FSH, LH, and estrogen interact during the menstrual cycle to…
A: Menstrual cycle is a regular and natural change occurring in the reproductive system of females.…
Q: Describe the path sperm take from the seminiferous tubules to the urethra.
A: Bacteria are single-celled prokaryotes. They reproduce by means of simple mitotic divisions. They…
Q: Explain the role of hormones involved in female reproductive system (menstrual cycle).
A: The inner lining of uterus known as endometrium , grows and thickens each month and prepares itself…
Q: Name the hormones secreted by ovary.
A: Hormones are chemical messenger secreted by various ductless glands and secretory bodies present in…
Q: Describe the hormonal events associated with the uterine cycle.
A: The uterine cycle is the phase of the menstrual cycle where modifications take place in the inner…
Q: Describe the location, structure, and functions of the ductus epididymis, ductus (vas) deferens, and…
A: BASIC INFORMATION HUMAN BODY The body of the human beings is made up of different types of cells,…
Q: Explain the events that occur during the malesexual act.
A: Sexual reproduction is defined as the process of having sexual intercourse between two individuals…
Q: Name the hormones involved in regulation of spermatogenesis.
A: Spermatogenesis is the process of the formation of sperm cells. It begins when the spermatogonia…
Q: Describe endocrine regulation of reproduction in the human male.
A: In males, the hypothalamus releases FSH and LH hormones during the onset of puberty. The functions…
Q: Explain how the male sexual response (and ejaculation) is elicited.
A: The reproductive system is involved in sexual reproduction. The male and female reproductive systems…
Q: Explain in general terms the steps in sperm production. List the steps in order and the location in…
A: It is the process by which haploid spermatozoa develop from germ cells in the seminiferous tubules…
Q: Describe the structures of the female reproductive system; explain the process of oogenesis in the…
A: The structures of the female reproductive system includes vagina, fallopian tubes, uterus, cervix…
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: Describe the interaction between the endocrine system and reproductive systems in males, including…
A: The endocrine system and reproductive system in both males and females are coordinated and interact…
Q: Differentiate between sperm duct and fallopian tube.
A: Sexually reproducing organisms are those which involve formation of zygote, and mating happens…
Q: List three ways in which oogenesis differs from spermatogenesis. Be specific!
A: Spermatogenesis and oogenesis are the processes of the formation of male and female gametes.…
Q: Spermatogenesis is governed by O a. GNRH b.luteinizing hormone only c. luteinizing hormone and…
A: Spermatogenesis is the process by which haploid spermatozoa develop from germ cells in the…
Q: Compare and contrast the following terms: You are invited to a middle school to address 11- to…
A: The time in life when a person becomes sexually mature is known as Puberty. After puberty both…
Q: Compare the changes in reproductive hormones andstructures that occur in older males and females.
A: Reproductive organs are the organs involved in the process of reproduction, that is, producing…
Q: List the organs/structures of the female reproductive system and describe their functions
A: Introduction Reproduction is the biological process through which new individual organisms –…
Q: Mention the name and role of hormones which are involved in regulation of gamete formation in human…
A: The reproduction can be defined as the process through which the living organisms produce new…
Q: Endometrial tissue is maintained by estrogen, and yet endometriosis is treated with a GNRH agonist…
A: Endometriosis is a medical disorder defined by uterine endometrial lining extension, in which the…
Q: Discuss the hormonal regulation of the reproductive system
A: The vagina, uterus, Fallopian tubes, and ovaries are the internal sex organs in a woman's…
Q: Account for the physiological basis of early morning erection in males.
A: Nocturnal penile tumescence (NPT) is a spontaneous erection of the penis during sleep or early…
Q: Describe the effects of increased estrogen secretionduring the menstrual cycle.
A: Introduction:- In addition to regulating the menstrual cycle, estrogen affects the reproductive…
Q: Describe the physiology of the spermatozoan. Briefly and concise.
A: PHYSIOLOGY OF SPERMATOZOA The process of devolopment of spermatozoa from the germ cells in the…
Q: Briefly describe the two-step process involved in sperm production
A: Spermatogenesis is the process by which haploid spermatozoa develop from germ cells in the…
Q: List all the hormones of the male reproductive system and specify functions of each?
A: in the male system, we have many non-sex hormones and a small cohort of sex hormones. in order to…
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Solved in 3 steps
- Gastrulation does NOT Select one: a. involve the formation of germ layers b. consist of endoderm, mesoderm, and ectoderm c. result in the formation of a third layer in the embryonic disk d. include the differentiation of cells into tissues and organsMatch the germ layer on the right with its contribution to the tissues and organs of the embryo, on the left. v connective tissue stroma A. mesoderm v parenchymal cells, e.g., liver B. ectoderm C. mesoderm D. mesoderm E. endoderm F. endoderm vasculature v innervation v epithelium of enteric secretory duct tubes v epithelium of integumentary system G. ectoderm v elastic membraneWhich of the following structures develops into only the fetus? a. Inner cell mass b. Trophoblast c. Blastocyst d. Zygote
- Which of the following statements is NOT correct about the umbilical cord? Select one: a. The umbilical cord is formed from the chorion. b. The placenta connects to the embryon via the umbilical cord. c. The umbilical cord consists of two arteries and one vein. d. The umbilical cord is formed from the yolk sac and the allantois.The cells of the embryoblast differentiate into the ______ andthe ______.a. epiblast, hypoblastb. cytotrophoblast, syncytiotrophoblastc. amnioblast, epiblastd. epiblast, cytotrophoblastWhich of the following statements does NOT correctly describe the events following fertilization? Select one: a. Only the inner cell mass cells in a blastocyst are pluripotent. b. The trophoblast has an important role in maintaining the pregnancy, as it prevents the endometrium from shedding. c. As hCG takes over maintaining the endometrium immediately after implantation, the corpus luteum degenerates into the corpus albican. d. All 16 cells in a morula are truly totipotent, meaning that they can become any cells in the human body.
- Which of the following structure develops into only the fetus? A. Blastocyte B. Zygote C. Trophoblast D. Inner cell massThe seven-day blastocyst: A. has a single layer of trophoblast at the embryonic pole B. has an amniotic cavity C. is attached to the endometrial epithelium D. is surrounded by a degenerating zona pellucida E. is called the hypoblastA human is a complex organism that develops from a zygote. Briefly explain some of the the steps in this development process in the form of a paragraph. In your answer, be sure to: 1) explain how a zygote formed, 2) compare the genetic content of the zygote to the body cells of the parents, 3) identify the structure in which embryonic/fetal development usually occurs within, and 4) identify the structure that forms, which provides nourishment and waste removal to/from the developing baby.
- Which of the following statements is incorrect?a. The placenta secretes hormones such as progesterone, hCG, and estrogen.b. Embryonic tissue and maternal tissue forms the placenta.c. The chorion supplies nutrients to the embryo by diffusion.d. The umbilical cord is formed by one artery and two veinsAn infertile couple was advised to undergo In vitro fertilization by the doctor. Out of the options given below, select the correct stage for transfer to the fallopian tube for successful results? (a) Zygote only (b) Zygote or early embryo upto 8 blastomeres (c) Embryos with more than 8 blastomeres (d) Blastocyst StageClassify and diagram embryos on the basis of their: (a) yolk content, (b) cleavage types, (3) cleavage patterns. Give examples for each. Egg Types and Cleavage Yolk Content Types of Cleavage Pattern of Cleavage Model Organism(s) Oligolecithal/ isolecithal Mesolecithal