HUMAN ANAT+CNCT+POLLEV LBCC >IC<
14th Edition
ISBN: 9781259349461
Author: McKinley
Publisher: MCG CUSTOM
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Question
Chapter 28, Problem 7CR
Summary Introduction
To determine:
The function of sustentacular cells in the production of spermatozoa.
Introduction:
In the male, the primary sex organs are the testes. Sperm is the male reproductive cell. Sperms cells have limited life-span, and they cannot divide. The process of developing sperm is known as spermatogenesis. This process takes place in the seminiferous tubule present in the testis. Sustentacular cells are supporting cells of the seminiferous tubules of the testis.
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Chapter 28 Solutions
HUMAN ANAT+CNCT+POLLEV LBCC >IC<
Ch. 28 - What is puberty?Ch. 28 - Compare the structures in the female and male...Ch. 28 - What are the types of ovarian follicles?Ch. 28 - Prob. 4WYLCh. 28 - Prob. 5WYLCh. 28 - What type of epithelium lines the uterine tubes...Ch. 28 - Prob. 7WYLCh. 28 - Prob. 8WYLCh. 28 - Prob. 9WYLCh. 28 - What is scrotum? It is homologous to what...
Ch. 28 - Prob. 11WYLCh. 28 - Describe the process of spermatogenesis, and...Ch. 28 - What two structures unite to form the ejaculatory...Ch. 28 - Prob. 14WYLCh. 28 - Prob. 15WYLCh. 28 - Prob. 16WYLCh. 28 - Prob. 17WYLCh. 28 - Prob. 1MCh. 28 - Prob. 1MCCh. 28 - Prob. 2MCCh. 28 - Prob. 3MCCh. 28 - Sperm are stored in the, where they remain until...Ch. 28 - Prob. 5MCCh. 28 - Prob. 6MCCh. 28 - Which statement is true about the uterus? a. The...Ch. 28 - Prob. 8MCCh. 28 - Prob. 9MCCh. 28 - Prob. 10MCCh. 28 - Prob. 1CRCh. 28 - Prob. 2CRCh. 28 - Prob. 3CRCh. 28 - List the uterine wall layers, and describe the...Ch. 28 - Compare and contrast the ovarian cycle phases and...Ch. 28 - Prob. 6CRCh. 28 - Prob. 7CRCh. 28 - Prob. 8CRCh. 28 - Prob. 9CRCh. 28 - What changes occur in the penis to allow a male to...Ch. 28 - Prob. 1DCRCh. 28 - If parents wish to know the sex of their unborn...
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- What are the benefits to sexual reproduction? In humans, which gamete is responsible for sex determination of the offspring? List all the structures of the male reproductive system.arrow_forwardWhat are the essential requisites for sexual reproduction?arrow_forwardHow does a spermatogonium divide to produce spermatozoa? Give specific steps.arrow_forward
- Name the stages of spermatogenesis from spermatogonium to spermatozoa. How do they differ in the number ofchromosomes per cell and chromatids per chromosome?arrow_forwarda) How are oocytes released? b) How are spermatozoa released? c) What is the frequency of both? d) How many of each are produced during meiosis?arrow_forwardIf there are 7 spermatogonium that will undergo cell division, how many functional spermatozoa will be formed?arrow_forward
- During Sexual Reproduction what occurs when a sperm cell enters an egg cell?arrow_forwardWhat are the general characteristics of sexual reproduction in humans and other vertebrates that are associated with continuous production of many sperm cells but intermittent, finite production of egg cells?arrow_forwardwhat structure contains enzymes needed by sperm to penetrate an oocyte?arrow_forward
- Meiosis II of spermatogenesis yields a) Primary spermatocyces c) Spermatogonia d) Spežmatids 田 e) spermatozoaarrow_forwardWhat important change happens to sperm in the female reproductive tract? a) The activation of the microtubule motors in the sperm tail b) The sperm head decondenses releasing the DNA c) Capacitation which increases sperm motility d) Loss of the fibrous sheath e) The outer dense fibres become less rigidarrow_forwardIf the ovum is not fertilized, the corpus luteum regresses, and the endometrium sloughs off to result in the first day of menstrual bleeding. The latter event would be duplicated, even if fertilization occurred, if receptors for which of the following hormones were occupied by an antagonist? A) Dehydroepiandrosterone B) Estradiol C ) Estriol D) Estrone E) Progesteronearrow_forward
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