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Embryonic Development and Prenatal Influences: From Fertilization to Birth, Quizzes of Developmental Psychology

Definitions and terms related to embryonic development from fertilization to birth, including the formation of primary germ layers, fetal growth stages, individual neuron development, and prenatal influences on fetal development.

Typology: Quizzes

2012/2013

Uploaded on 02/18/2013

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TERM 1
fertilization
DEFINITION 1
sperm penetrates egg and forms a zygote
TERM 2
conception
DEFINITION 2
zygote to blastocyst to implantation
TERM 3
placenta
DEFINITION 3
a fetomaternal organ; allows for nutrient uptake, waste
elimination, and gas exchange
TERM 4
gastrulation
DEFINITION 4
creation of primary germ layers
TERM 5
endoderm
DEFINITION 5
internal, forms gut and internal organs later
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fertilization

sperm penetrates egg and forms a zygote

TERM 2

conception

DEFINITION 2

zygote to blastocyst to implantation

TERM 3

placenta

DEFINITION 3

a fetomaternal organ; allows for nutrient uptake, waste

elimination, and gas exchange

TERM 4

gastrulation

DEFINITION 4

creation of primary germ layers

TERM 5

endoderm

DEFINITION 5

internal, forms gut and internal organs later

mesoderm

middle germ layer; forms muscle, skeletal, and circulatory

systems later

TERM 7

ectoderm

DEFINITION 7

outer layer; forms skin, brain, and nervous system later

TERM 8

fetal period

DEFINITION 8

begins at third month, includes second trimester and third

trimester

TERM 9

second trimester

DEFINITION 9

13-25 weeks; fetal movement is felt, quickening

TERM 10

third trimester

DEFINITION 10

most rapid growth of fetus, head engagement (baby drop),

and premature birth is possible

stress hormones

cortisol crosses the placenta and can increase fetal heart

rate; permanent alteration of neurological activity

TERM 17

emotional stress (maternal)

DEFINITION 17

can cause anxious, ADHD, aggressive, and overactive babies

TERM 18

stress reduction

DEFINITION 18

social support from friends and family for the mother

TERM 19

four manifestations of deviant development

DEFINITION 19

death, malformation, growth retardation, and functional

deficit