Growth in embryology : definition, types and examples

Growth: means increase in bulk which takes place by

1. cells division,
2. increasing cell size or
3. increased accumulation of intercellular substance

Growth is occurred in three ways

•      Multiplicative growth : (cell number is increase by cell division) EX: epidermis of skin, intestinal epi

•      Auxetic growth: (cell size is increase) EX: oocytes, some neurons 

•      Accretionary growth: (increase accumulation of intercellular substance ) EX: bones, cartilage