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Child Psych
Psych 350 @ UMass Amherst
16
Psychology
Undergraduate 3
02/14/2011

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Cards

Term
Ectoderm
Definition
Top most layer that turns into skin and nervous system.
Term
Mesoderm
Definition
Middle layer that turns into skeletal and muscle structures.
Term
Endoderm
Definition
Inner most layer that turns into internal organs.
Term
3 Prenatal Periods
Definition
Germinal, Embryo, Fetal Period
Term
Germinal Period
Definition
single-cell zygote to morula to blastocyst. Lasts from conception to attachment (8 to 10 days)
Term
Cleavage
Definition
Key stage in Germinal Period. When the cell first splits into 2 cells.
Term
Morula
Definition
Sphere of 16 cells, totally able to adapt into anything.
Term
Blastocyst
Definition
Cells form layers and start to carry out different actions.
Term
Neural Tube
Definition
Important, diet can effect it and cause problems with the child ranging from miscarriage to paralysis of the lower extremities.
Term
Embryonic Period
Definition
From implantation to 8 weeks. Sexual differentiation, basic organs formed.
Term
Anencephaly
Definition
When the Neural Tube head does not close. Leads to miscariage usually.
Term
Spina Biffida
Definition
Bottom of NT doesn't close. Usually results in paralysis of the lower extremities
Term
Fetal Period
Definition
Begins around 9 weeks, bones begin to form (ossification)
Term
Teratogens
Definition
Outside and internal factors that lead to atypical development of the child (drinking while pregnant, etc...)
Term
4 Main Parts of Brain development
Definition
Proliferation, Migration, Differentiation, and Death.
Term
Hebbian Principle
Definition
Cells that fire together, wire together.
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