Human Anatomy-MasteringA&P Access
8th Edition
ISBN: 9780321905604
Author: Martini
Publisher: PEARSON
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Chapter 28, Problem 17RFT
Summary Introduction
Introduction:
Pregnancy is also known as gestation period. It is the time wherein one or more offspring grows inside the woman. In order to confirm the pregnancy, tests are performed. These tests can be urine sample or blood sample. In both the tests, levels of hormones are checked in order to confirm the pregnancy.
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If fertilization occurs, the corpus luteum continues to produce hormones under the direction of Human Chorionic Gonadotrophin (HCG), which is produced by the embryo. By the third month, what begins to produce estradiol and progesterone?
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Chapter 28 Solutions
Human Anatomy-MasteringA&P Access
Ch. 28 - Match each numbered item with the most closely...Ch. 28 - Prob. 2RFTCh. 28 - Prob. 3RFTCh. 28 - Prob. 4RFTCh. 28 - Prob. 5RFTCh. 28 - Prob. 6RFTCh. 28 - Prob. 7RFTCh. 28 - Prob. 8RFTCh. 28 - Match each numbered item with the most closely...Ch. 28 - Prob. 10RFT
Ch. 28 - Identify the two extra-embryonic membranes and the...Ch. 28 - Prob. 12RFTCh. 28 - Prob. 13RFTCh. 28 - Prob. 14RFTCh. 28 - 15. A blastocyst is a(n)
(a) extra-embryonic...Ch. 28 - During the second trimester, the most significant...Ch. 28 - Prob. 17RFTCh. 28 - Prob. 18RFTCh. 28 - The extra-embryonic membrane that forms the...Ch. 28 - During implantation, the (a) syncytiotrophoblast...Ch. 28 - 1. What would be the fate of an embryo if the...Ch. 28 - Prob. 2RCCh. 28 - Prob. 3RCCh. 28 - Prob. 4RCCh. 28 - Prob. 5RCCh. 28 - Describe the effects of human chorionic...Ch. 28 - 7. What occurs during amphimixis?
Ch. 28 - Prob. 8RCCh. 28 - Prob. 9RCCh. 28 - Prob. 10RCCh. 28 - 1. Joe and Jane desperately want to have children,...Ch. 28 - 2. The virus that causes rubella, or "German...
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- Which structures in males are homologous to the ovaries, the clitoris, the paraurethral glands, and the greater vestibular glands?arrow_forwardWhat is the role of the HCG hormone in pregnancy?arrow_forwardWhat structural features of the endometrium and myometrium contribute to their functions?arrow_forward
- What hormones does the placenta produce?arrow_forwardWhich hormone is inhibited during pregnancy in order to prevent contractions of the uterus? Which two hormones promote thickening of the endometrium? Progesterone and estrog If GnRH production were blocked, what will happen? What would happen if testosterone levels get too high?arrow_forwardWhy do GnRH levels increase at the beginning of puberty?arrow_forward
- Which germ layer of a blastocyst gives rise to muscle and connective tissues?arrow_forwardWhat are the hormones that affect mammary gland development during pregnancy?arrow_forwardBased on the schematic below, illustrating the control of the hypothalamus and the pituitary gland by the ovarian hormones, how would you design a hormonal female contraceptive that keeps secretion of FSH and LH low in order to prevent ovulation?arrow_forward
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