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20 Cards in this Set
- Front
- Back
ALLANTOIS
al-lan-TO-is |
extra-embryonic membrane used in respiration and excretion. Greek, allanto = sausage or tubular, eidos = form
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AMNION
AM-ni-on |
an extra-embryonic membrane that encloses the amniotic cavity which is fluid filled and protects the embryo. Greek, embryo covering
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ARCHENTERON
ARCH-en-ter-on |
primitive gut. Greek, arche-beginning
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BLASTOCOEL
BLAST-o-coel (seal) |
cavity formed during the blastula stage. Greek, blastos=bud, koilos=hollow
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BLASTOMERES
BLAST-o-meres |
cells in early embryo. Greek, blastos=bud, meros=part
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CHORION
cho-RI-on |
an extra-embryonic membrane that is most external, fuses with the allantois in placental organisms to form the placenta
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ENTEROCOELOUS DEVELOPMENT
en-ter-o-coel-ous development |
formation of the coelom by out pocketing of mesodermal buds from the archenteron
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FERTILIZATION MEMBRANE
fer-til-i-za-tion mem-brane |
describes the vitelline membrane after it has separated from the egg membrane due to deposition of proteins in the space between the vitelline membrane and the egg membrane (perivitelline)
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GAMETE
gam-ete |
a sexual reproductive cell. Greek, gamos=marriage
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GASTRULA
gas-tru-la |
the stage during which the primitive digestive system is formed. Greek gastro=digestion
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GASTROCOELE
gas-tro-coele |
early coelom. Greek gastro=digestion, koilos=hollow
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HOLOBLASTIC
ho-lo-blas-tic |
type of cleavage where the entire cell is subdivided. Greek, holos=whole, blastos=bud
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MEROBLASTIC
mer-o-blastic |
type of cleavage in which the division plane extends only through part of the cell. Greek meros=part, blastos=bud
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METAMORPHOSIS
meta-morph-o-sis |
transformation of an immature animal into another developmental stage, during which radical changes . metamorphosis is a developmental stage. Greek meta=after, morph=form
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MORPHOGENESIS
morph-o-gen-e-sis |
the processes by which the embryonic tissue layers are shaped into organs. Greek morph=form, gen=to produce
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NEURULA
neur-u-la |
developmental stage characterized by the formation of the neural tube. Greek neron=nerve
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OVUM
ov-um |
female gamete. Latin, ovi-egg
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SPERMATAZOA
sper-ma-TA-zoa |
male gamete. Greek, sperm=seed or germ
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VITELLINE
vit-ell-ine |
membrane surrounding the ovum fertilization. Latin, vit=life
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ZYGOTE
zy-gote |
the fertilized egg. Greek, zygotos=yoked
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