<Li> Annular collenchyma (uniformly thickened cell walls) </Li> <Li> Lacunar collenchyma (collenchyma with intercellular spaces) </Li> <P> Collenchyma cells are most often found adjacent to outer growing tissues such as the vascular cambium and are known for increasing structural support and integrity . </P> <P> The term "sclerenchyma" (originally Sclerenchyma) was introduced by Mettenius in 1865 . </P>

Name two components of sclerenchyma and write their functions