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21 Cards in this Set
- Front
- Back
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Conceptus
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A pregnant woman's developing offspring
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embryonic period
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from fertilization through week 8
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Where does fertilization take place?
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In the uterine tubes
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What is necessary for sperm to be able to penetrate an oocyte?
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capacitation
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Morula
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an egg that has divided into 16 cells (72 hrs after fertilization)
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How long after ovulation will ita take for a fertilized egg to implant?
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6-7 days
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How does a pregnancy test work?
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It measures levels of HCG human gonadatropic hormone
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Define the fetal period. What body systems are present at that time?
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All body systems of the developing embryo are present in at least the rudimentary form from 8 weeks.
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Define the three germ layers. What layer forms the most body parts?
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Ectoderm, Mesoderm and endoderm. The mesoderm forms the most body parts
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Why does a pregnant woman urinate more often than usual?
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Pressure on the bladder and additional metabolic wastes from the fetus
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Blastocyst
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A fluid filled, hollow ball of cells
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Cocapacitation. How does this process affect a sperms ability to fertilize the egg?
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The process in which the spermatozoon, after it reaches the ampulla of the fallopian tube, undergoes a series of changes that lead to its ability to fertilize an ovum
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Which hormes are associated with milk ejection of the letdown reflex?
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oxytocin
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Which stx allows estrogen and progesterone to maintain the integrity of the uterine lining?
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the corpus luteum
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Which portion of the placenta comes from the fetus?
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the chorion
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What fxn does the hormone relaxin provinde?
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it relaxes the pubic symphysis
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Define ectopic implantation
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A pregnancy with the fertilized ovum developing outside the uterus, as in a fallopian tube
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What are the fxns of the dartos muscle and the cremaster muscles?
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The regulate body temp. of the testes
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The ductus deferens translates to mean "carrying away" What exactly is carried away?
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The sperm is carried away through peristaltic contractions
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Which muscles allow the male to ejaculate?
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The bulbospongious muscles
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What is the most important risk factor for testicular cancer in young males?
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non-descent of the testes
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