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25 Cards in this Set
- Front
- Back
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________is the embryonic layer that gives rise to nervous system, the lining of oral cavity, and epidermis of skin.
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Ectoderm
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The_______ period of prenatal development occurs between the 2nd and 8th weeks
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embryonic
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The_______period of prenatal development occurs between the 3rd and 9th month
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Fetal
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Controlled cellular growth and accumulation of by products occurs during
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proliferation
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The development of specific tissue morphology or differing form due to embryonic cell migration and inductive interactions occurs during
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morphogenisis
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The structures of face and oral cavity develope from which 3 embryonic structures
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frontonasal process
max process Mand process |
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Facial development occurs during the ________weeks of prenatal development
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4 to 12 weeks
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The__________gives rise to the middle portion of nose, center of lip, philtrum, and premaxilla
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median nasal proccess
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The_________process form the alae or sides of nose
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lateral nasal processes
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The upper lip is formed by the fusion of the________ w/the ___________
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globular process
right and left max processes |
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Failure of max processes to fuse w/the globular process(part of the median nasal process)will result in a
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cleft lip
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Cleft lips are more common in
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males
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The palate is formed by the fusion of the_________and the________
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premaxilla
lateral palatene processes |
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Cleft palate is more common in
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females
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The body of tongue develops from fusion of_______w/the________
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lateral lingual swellings
tuburculum impar |
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The base of the tongue develops from the__________
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Copula
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__________is the V-shaped groove which demarcates the borders of fusion between the body and the base of tongue
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Sulcus terminalis
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The_________papilla are 10-13 large papilla arranged in V-shape, located on posterior dorsum of tongue
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Circumvallate
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The head end of a developing embryo is called the________end
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cephalic
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The buccopharnygeal membrane, which consists of ectoderm and endoderm, is located at the location of the primative mouthpf a developing embryo
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true
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Development of lip occurs during the_______to______week prenatal development
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4 to 6
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Development of palate occurs during the _________to______week of prenatal development
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5th-12th
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Development of tongue occurs during the______to_____week of prenatal development
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4TH TO 8TH
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Failure of lateral palatine processes to fuse w/premaxilla will result in a
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Cleft palate
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The anal end of a developing embryo is called the______end
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caudal
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