Human Anatomy
9th Edition
ISBN: 9780135168059
Author: Marieb, Elaine Nicpon, Brady, Patricia, Mallatt, Jon
Publisher: Pearson Education, Inc.,
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Textbook Question
Chapter 25, Problem 6RQ
The hormone-secreting layer of the placental barrier is (a) the extraembryonic mesoderm, (b) the lacunae, (c) endothelium, (d) cytotrophoblast, (e) syncytiotrophoblast.
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Chapter 25 Solutions
Human Anatomy
Ch. 25 - Where are interstitial cells located? What is...Ch. 25 - Distinguish the tunica albuginea from the tunica...Ch. 25 - What is meant by the phrase "sperm mature in the...Ch. 25 - Where is the ejaculatory duct located?Ch. 25 - Which pair of accessory glands produces the...Ch. 25 - Which erectile tissue does the urethra pass...Ch. 25 - How many spermatids are formed from each primary...Ch. 25 - What roles do sustentocytes play in sperm...Ch. 25 - What are the components of the head of the sperm?...Ch. 25 - What type of tissue lines the uterine tubes? How...
Ch. 25 - Name the peritoneal supports of the female...Ch. 25 - Describe the location of each of the following...Ch. 25 - What are the male homologues of the following...Ch. 25 - Which hormone stimulates follicle development in...Ch. 25 - During which period of a female’s life do stem...Ch. 25 - What is the corpus luteum, and what role does it...Ch. 25 - When does the glandular portion of the breast...Ch. 25 - What prevents more than one sperm from fertilizing...Ch. 25 - What part of the placenta is formed from maternal...Ch. 25 - In addition to nourishing the developing fetus,...Ch. 25 - What type of screening is most common for each...Ch. 25 - What do the embryonic mesonephric ducts form in a...Ch. 25 - What are secondary sex characteristics in males...Ch. 25 - Which of the following statements about the female...Ch. 25 - For each of the following hollow organs; choose...Ch. 25 - Which of the following structures produces the...Ch. 25 - The uterine cycle can be divided into three...Ch. 25 - Prob. 5RQCh. 25 - The hormone-secreting layer of the placental...Ch. 25 - The function of the stereocilia in the duct of the...Ch. 25 - The broad ligament of the uterus in the female...Ch. 25 - The embryonic paramesonephric duct gives rise to...Ch. 25 - Which of the following statements about the...Ch. 25 - If the uterine tube is a trumpet ("salpinx"), what...Ch. 25 - The myometrium is the muscular layer of the...Ch. 25 - What occurs during the proliferative phase of the...Ch. 25 - Which cells in the ovaries secrete hormones? (a)...Ch. 25 - Prob. 15RQCh. 25 - The hormones that stimulate the ovarian cycle are...Ch. 25 - Sustentocytes (a) nourish spermatocytes and....Ch. 25 - Match the embryonic structures listed in column B...Ch. 25 - Why would a radical mastectomy affect ability to...Ch. 25 - Based on what you know about the sources of semen,...Ch. 25 - A 68-year-old man who has trouble urinating is...Ch. 25 - Gina gave birth to six children. During an...Ch. 25 - Why do doctors often recommend that men not wear...Ch. 25 - Explain how a woman with an ovary removed from one...Ch. 25 - In severe cases of endometriosis, endometrial...Ch. 25 - Name three sets of arteries that must be...
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- Oestrogens are produced from androgens in the granulosa cells (GC) in the ovary. These androgens are derived from… a) The blood b) The interstitial (theca) cells c) Granulosa cells d) The oocytearrow_forwardThe secretion of gonadotropins is stimulated by a ) LH b ) inhibin d ) GnRH e) testosteronearrow_forwardGive example(s) of:(a) Hyperglycemic hormone and hypoglycemic hormone(b) Hypercalcemic hormone(c) Gonadotrophic hormones(d) Progestational hormone(e) Blood pressure lowering hormone(f) Androgens and estrogensarrow_forward
- The hormone that induces ovulation in women and promotes the ovarian secretion of progesterone is, (a) follicle-stimulating hormone. (b) estradiol.(c) luteinizing hormone. (d) prolactin.arrow_forwardThe ovaries stop secreting estrogens and testosterone after menopause. This does not lead to (a) an increase in the growth of pubic hair, (b) cardiovascular disorders, (c) a decline in bone mass, (d) vaginal dryness.arrow_forwardWhich of these factors reduces the release of GnRH (gonadotropin releasing hormone) from the hypothalamus? a) Increase in testosterone b) Reduction of FSH c) Reduction of inhibin d) Reduction of LHarrow_forward
- Which of the following events does not take place when a fetus is 17 to 20 weeks old? (a) fetal movements quicken, (b) testes descend to the scrotum, (c) silklike hair covers the skin, (d) sweat glands form.arrow_forwardWhich hormone is primarily responsible for maintaining the early stages of pregnancy? A) Estrogen B) Progesterone C) Human Chorionic Gonadotropin (hCG) D) Oxytocinarrow_forward73. Hypothalamic-releasing hormones regulate secretion by cells at which of the following labeled sites of the pituitary gland? Neural ectoderm Rathke's pouch A) B) A B C)arrow_forward
- Name the hormones secreted by the placenta.arrow_forwardMilk let-down is associated with (a) events occurring in the uterus. (b) placental hormonal influences. (c) circadian rhythms. (d) reflex action triggered by suckling.arrow_forward73. Hypothalamic-releasing hormones regulate secretion by cells at which of the following labeled sites of the pituitary gland? Neural ectoderm Aq Rathke's pouch A) B) A B C)arrow_forward
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