Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Textbook Question
Chapter 27, Problem 29CTQ
Identify the changes in sensitivity that occur in the hypothalamus, pituitary, and gonads as a boy or girl approaches puberty. Explain how these changes lead to the increases of sex steroid hormone secretions that drive many pubertal changes.
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Chapter 27 Solutions
Anatomy & Physiology
Ch. 27 - Watch this video...Ch. 27 - Watch this video...Ch. 27 - Watch this video...Ch. 27 - Watch this series of videos...Ch. 27 - A babys gender is determined at conception, and...Ch. 27 - What are male gametes called? ova sperm testes...Ch. 27 - Leydig cells ________. secrete testosterone...Ch. 27 - Which hypothalamic hormone contributes to the...Ch. 27 - What is the function of the epididymis? sperm...Ch. 27 - Spermatogenesis takes place in the ________....
Ch. 27 - What are the female gonads called? oocytes ova...Ch. 27 - When do the oogonia undergo mitosis? before birth....Ch. 27 - From what structure does the corpus luteum...Ch. 27 - Where does fertilization of the egg by the sperm...Ch. 27 - Why do estrogen levels fall after menopause? The...Ch. 27 - The vulva includes the ____________. lactiferous...Ch. 27 - What controls whether an embryo will develop...Ch. 27 - Without SRY expression, an embryo will develop...Ch. 27 - The timing of puberty can be influenced by which...Ch. 27 - Briefly explain why mature gametes carry only one...Ch. 27 - What special features are evident in sperm cells...Ch. 27 - What do each of the three male accessory glands...Ch. 27 - Describe how penile erection occurs.Ch. 27 - While anabolic steroids (synthetic testosterone)...Ch. 27 - Follow the path of ejaculated sperm from the...Ch. 27 - Identify some differences between meiosis in men...Ch. 27 - Explain the hormonal regulation of the phases of...Ch. 27 - Endometriosis is a disorder in which endometrial...Ch. 27 - Identify the changes in sensitivity that occur in...Ch. 27 - Explain how the internal female and male...Ch. 27 - Explain what would occur during fetal development...
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- Name one female sex hormone which is maintained at high levels throughout pregnancy. State two important functions of the hormone in pregnant women.arrow_forwardTeratomas in the pituitary glands are very rare tumours that occur in children and young adults. Usual symptoms of teratoma are diabetes insipidus, neurological issues, and a reduction in pituitary hormones.Which of the following correctly describes the symptoms of a 10-year-old girl with a teratoma tumour in the pituitary gland? Select one: a. Increased levels of ADH and stimulation of the development of secondary sexual characteristics b. Decreased levels of ADH and inhibition of the development of secondary sexual characteristics c. Decreased levels of FSH and stimulation of the development of secondary sexual characteristics d. Increased levels of FSH and inhibition of the development of secondary sexual characteristicsarrow_forwardName and describe the role of hormones secreted by ovaries, testes and placenta.arrow_forward
- What are the main effects of gonadotropic hormones? Select all that apply. Stimulation of the formation of the ova Stimulation of the secretion of hormones from sex Stimulation of the development of secondary female sexual characteristics Stimulation sustains pregnancy Stimulation of the hormone progesteronearrow_forwardIdentify the most important hormones produced by the testes and ovaries, name the hormones produced by the placenta, and state functions of each hormone.arrow_forwardbriefly describe the hormonal control of gamete and reproductive hormone production in the female.arrow_forward
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