Human Anatomy & Physiology (2nd Edition)
2nd Edition
ISBN: 9780134553511
Author: Erin C. Amerman
Publisher: PEARSON
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Question
Chapter 27, Problem 2CYR
Summary Introduction
To review:
The blank spaces in the statement, “During the pre-embryonic period, the conceptus divides into hundreds of cells by a process called ________and becomes a/an_______, which implants itself in the uterine wall”.
Introduction:
The process of fusion (joining) of the male gamete (sperm) to the female gamete (egg) is termed as fertilization, which forms the zygote. This zygote divides and forms the embryo which develops into a fully developed fetus inside the womb.
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Chapter 27 Solutions
Human Anatomy & Physiology (2nd Edition)
Ch. 27.1 - What are the three major periods of prenatal...Ch. 27.1 - 2. When does the postnatal period of life begin?
Ch. 27.2 - Prob. 1QCCh. 27.2 - What are the steps of fertilization?Ch. 27.2 - 3. What is the function of cleavage of the...Ch. 27.2 - How does a morula differ from a blastocyst?Ch. 27.2 - 5. What is the ultimate fate of the inner cell...Ch. 27.2 - 6. Which cell type secretes hCG?
Ch. 27.2 - 7. What are the functions of amniotic fluid?
Ch. 27.2 - 8. What are the main functions of each of the...
Ch. 27.3 - Prob. 1QCCh. 27.3 - 2. Which cells form the three germ layers?
Ch. 27.3 - 3. What are the two types of embryonic folding?...Ch. 27.3 - What is the first major event that occurs during...Ch. 27.3 - Prob. 5QCCh. 27.4 - Prob. 1QCCh. 27.4 - Prob. 2QCCh. 27.4 - What specific changes occur in each month of fetal...Ch. 27.4 - Prob. 4QCCh. 27.5 - Prob. 1QCCh. 27.5 - Prob. 2QCCh. 27.5 - Which hormone stimulates the beginning of...Ch. 27.5 - Prob. 4QCCh. 27.6 - What are the criteria used to determine a newborns...Ch. 27.6 - Prob. 2QCCh. 27.6 - 3. Explain what happens to each structure in the...Ch. 27.6 - Prob. 4QCCh. 27.6 - What role do hormones play in the let-down reflex...Ch. 27.7 - What is the genome? How many chromosomes are in...Ch. 27.7 - Prob. 2QCCh. 27.7 - 3. How does a genotype differ from a phenotype?
Ch. 27.7 - Prob. 4QCCh. 27.7 - Prob. 5QCCh. 27.7 - 6. What is an X-linked disorder? How can a female...Ch. 27 - Match the correct time period of gestation with...Ch. 27 - Prob. 2CYRCh. 27 - Mark the following statements about fertilization...Ch. 27 - Prob. 4CYRCh. 27 - Number the sequence of events in fertilization....Ch. 27 - Prob. 6CYRCh. 27 - Match the extraembryonic membrane with the correct...Ch. 27 - Prob. 8CYRCh. 27 - Match the structures of the embryo with the...Ch. 27 - What are the two types of embryonic folding?Ch. 27 - Prob. 11CYRCh. 27 - Prob. 12CYRCh. 27 - Prob. 13CYRCh. 27 - Prob. 14CYRCh. 27 - Prob. 15CYRCh. 27 - Prob. 16CYRCh. 27 - 17. Fill in the blanks: The first ____________...Ch. 27 - Prob. 18CYRCh. 27 - Prob. 19CYRCh. 27 - Which pattern of inheritance includes examples of...Ch. 27 - Prob. 1CYUCh. 27 - Why is the single-celled zygote approximately the...Ch. 27 - Prob. 3CYUCh. 27 - Prob. 4CYUCh. 27 - Prob. 1AYKACh. 27 - Prob. 2AYKACh. 27 - Prob. 3AYKACh. 27 - Prob. 4AYKACh. 27 - Prob. 5AYKB
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- Fill in the blank: _________________ on the inner lining of the uterine tube aid in moving a developing embryo.arrow_forwardIf the ovaries are removed in the first 6 weeks of pregnancy, the embryo will be aborted. If they are removed later in pregnancy, the pregnancy can go to normal full term. Explain the difference Please be sure to respond to all parts of the discussion.arrow_forwardChemicals that pass through the placenta’s screen and may harm an embryo or fetus are called________(fill the blank)arrow_forward
- Fill in the blank: The embryonic membrane that is attached to the edge of the embryonic disk and surrounds the developing body is called the ___________________.arrow_forwardFill in the blank: As the testes descend, they pass through the _______________________ of the abdominal wall into the scrotum.arrow_forwardPlacenta previa (previa = before or in front of) is a condition in which either part or the entire placenta implants in the inferior part of the uterus near the cervix. Explain why this can cause spontaneous abortion or premature birth.arrow_forward
- Fill in the blank: A portion of the uterus called the _______________________ extends downward into the upper portion of thevagina.arrow_forwardFill in the blank: Enzymes secreted by the ___________________ of a sperm cell help it to penetrate the zona pellucida.arrow_forwardFill in the blank: Each testis is suspended by a _______________________ cord within the scrotum.arrow_forward
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