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Principles of Development 6th Edition By Lewis Wolpert; Cheryll Tickle; Alfonso Martinez Arias 9780198800569 Chapter 1-14 Complete Guide . $17.99   Add to cart

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Principles of Development 6th Edition By Lewis Wolpert; Cheryll Tickle; Alfonso Martinez Arias 9780198800569 Chapter 1-14 Complete Guide .

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Principles of Development 6th Edition By Lewis Wolpert; Cheryll Tickle; Alfonso Martinez Arias 9780198800569 Chapter 1-14 Complete Guide .

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  • August 24, 2024
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Test Bank For Principles of Development 6th Edition By Lewis
Wolpert; Cheryll Tickle; Alfonso Martinez Arias
9780198800569 Chapter 1-14 Complete Guide .
vertebral column - ANSWER: backbone or spine of vertebrates

antero-posterior axis - ANSWER: axis running from the head end to the tail end of the animal

dorso-ventral axis - ANSWER: the body axis running from the upper surface (back) to the under
surface (ventral) of an organism or structure

body plan - ANSWER: overall organization of an organism

neurulation - ANSWER: process in which the future brain and spinal cord are formed from the
ectodermal neural plate

ectoderm - ANSWER: embryonic germ layer that gives rise to the epidermis and the nervous system

mesoderm - ANSWER: germ layer that gives rise to the skeleto-muscular system, connective tissues,
blood, kidneys, and heart

endoderm - ANSWER: embryonic germ layer that gives rise to the gut and associated organs, such as
lungs and liver

organizer - ANSWER: a signaling center that directs the development of the whole embryo or part of
the embryo

gastrulation - ANSWER: process in animal embryos in which prospective endodermal and mesodermal
cells move from the outer surface of the embryo to the inside to form internal organs

phylotypic stage - ANSWER: stage at which the embryos of the different vertebrate groups closely
resemble each other

neural tube - ANSWER: the ectodermally derived tubular structure that forms along the dorsal midline
of a vertebrate embryo that gives rise to the nervous system through the process of neurulation

notochord - ANSWER: Transient rod-like mesoderm in vertebrate embryos that runs from head to tail
and lies centrally beneath the neural tube

somites - ANSWER: blocks of mesoderm that segment from the mesoderm on either side of the
notochord; give rise to trunk, limb muscles, ribs, and dermis

extra-embryonic membranes - ANSWER: membranes external to the embryo proper that are involved
in its protection and nutrition (amnion, chorion, placental tissues)

placenta - ANSWER: a structure that forms in the uterine wall at which the blood systems of mother
and embryo form an interface with each other

animal region - ANSWER: in egg of amphibians, the hemispherical end of the egg where the nucleus
resides, away from the yolk

vegetal region - ANSWER: yolky lower hemisphere of amphibian eggs and blastulas, from which the
endoderm will develop

vitelline membrane - ANSWER: extracellular layer surrounding the eggs of animals

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