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Physical Growth, Maturation, and Aging - Coggle Diagram

- - - - conception - 8 weeks
      - hyperplasia (quantity) and hypertrophy (size) of cells
      - differentiation of cells to form specific tissues and organs
      - limbs formed at 4 weeks
      - human form noticeable at 8 w
    - - 8 weeks - birth
      - continued growth by hyperplasia and hypertrophy
      - cephalocaudal and proximodistal
      - plasticity
        
        capability of taking on a new function
      - nourishment
        
        oxygen and nutrients diffuse between fetal and maternal blood in placenta
        
        poor maternal health status can affect fetus
  - - - can be dominant disorders
        
        defective gene from one parent
      - can be recessive
        
        defective from each parent
      - can result from a mutation of a gene
      - effects on growth and maturation are variable
    - - can affect fetus through nourishment or physical environment
      - teratogens
        
        delivered through nourishment
        
        malformations producing agents
      - harmful environmental factors
      - tissues undergoing rapid development at time of exposure are most vulnerable