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embryology
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sperm = egg =
zygote
which is not one of the periods of prenatal development?
preimplantation
embryonic
fetal
primoridium
primoridium
_________is the time frame for the embryonic period
week 2-8
they zygote must travel from the____________to the uterine wall
fallopian tube (fertilization site)
the blastocyst consists of which layers?
embryoblast and trophoblast
an ectopic pregnancy occurs when what?
the zygote implants anywhere other than the uterine wall
what is the correct order of the developmental procss from beginning to end?
induction, proliferation, differentiation, morphogenesis, maturation
histodifferentiation is the development of different________in a structure
tissues
which process involves embryonic cells becoming distinct structurally and functionally?
differentiation
which process involves controlled cellular growth?
proliferation
The bilaminar embryonic disc consists of which layers?
epiblast and hypoblast
what serves as initial nourishment for the embryonic disc?
yolk sac
the trilaminar embryonic disc has 3 distinct layers, please list them
ectoderm
mesoderm
endoderm
the placenta develop from interactions between the endometrial tissues and___________
trophoblast layer
what structure resembles a bum?
primitive streak
the cloacal membrane will give rise to what?
the terminal end of the digestive tract
which of these does not come from endoderm?
respiratory system linings
digestive system linings
liver cells
epidermis
epidermis
What is one harmful thing that can cross through the placenta?
alcohol
Author
sthomp88
ID
51066
Card Set
embryology
Description
ch. 1-3 1
Updated
2010-12-06T07:16:22Z
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