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Quiz!
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Fertilization is the uniting of what? |
sperm and ovum |
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Fertilization takes place where? |
Distal part of the uterine tube |
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What are the 3 stages of development? |
Morula |
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A solid ball of cells in the uterine tube that migrates to the uterus by the end of the first week? |
Morula |
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A hollow center develops from the morula and has a central cavity that develops with an embryonic pole? |
Blastocele |
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Blastocele develops into what? |
Blastocyst |
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Develops 2 distinct layers and implants into the uterine wall? |
Blastocyst |
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2 distinct layers of the blastocyst |
endoderm and ectoderm |
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The ectoderm and endoderm form what which will be the embryo? |
embryonic disk |
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What are the 3 periods of human develpment? |
Proliferative |
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1st 2 weeks of human development that includes fertilization, implantation and formation of embryonic disc? |
Proliferative |
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Weeks 2-8 of human development where tissue types develop and organs begin to form? |
Embryonic |
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Period of human development around weeks 8 and continue through birth when tissues enlarge and proliferate? |
Fetal |
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Name the 3 Germ cell layers? |
Ectoderm, Mesoderm, Endoderm |
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Outer layer of Germ Cell that lines the oral cavity, nasal cavity, sinuses and nervous system? |
Ectoderm |
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The Middle layer of germ cell. Most internal organs skeletal system blood/Lymph, kidney and vessels? |
Mesoderm |
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The inner layer Germ cell that forms the lining of the GI tract, bladder, lungs, vagina and urethra? |
Endoderm |
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What week do the face and oral structures develop? |
Weeks 4-7 |
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What week does the heart begin to beat/pump? |
Week 4 |
