Phases of Development

Question 1

ovum + sperm =

Answer 1

zygote

Question 2

what do the cells do

Answer 2

multiply and

-differentiate

-move and take appropriate positions

-make the needed fxnal relations w/ other cells

Question 3

4 phases of development

Answer 3

specification of the neural cell identity (neural of glia)

neuro migration and axon outgrowth

synapse formation with target (neurons, muscles, gland cells)

synaptic connection refinement (elimination of axon branches and cell death)