PSYC 331 Ch 2: Birth and Prenatal Development

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18 Terms

1
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Conception

Man and woman join. Baby seed starts.

2
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Zygote

Fertilized egg. Egg travel down fallopian tube. Find cozy spot in uterus.

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Inner Cell Mass (ICm)

Group of cells inside blastocyst. Become baby inside mommy.

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Apoptosis

Cells no longer needed. Cells say bye-bye.

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Germinal Period

First time from joining to two weeks. Little blob grow big.

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Embyronic Period

From three to eight weeks. Baby make shape.

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Fetal Period

From nine weeks to when baby come out. Baby called fetus.

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Cephalocaudal Development

Baby grow from head to toes. Head first.

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Proximodistal Development

Baby grow from inside out. Start close, go far.

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Teratogens

Bad stuff from outside harm baby inside.

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Fetal Alcohol Syndrome

Baby hurt if mother drink. Baby face look funny, brain not work right.

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Habituation

Baby hear noise. At first, pay attention. Later, stop caring.

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Apgar Score

Quick test for baby. Check how baby do one and five minutes after born.

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Fetal Cognition

Baby think in mommy. Start to know things.

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Fetal Movement

Baby start moving at five, six weeks. Movements all jerky and weird.

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Critical Periods

Times when baby parts need protection from bad stuff.

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Down Syndrome

Extra copy of chromosome 21. Baby grow different, need help.

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Rubella

Sickness that hurt baby if mother get it early in pregnancy.