Apical meristem

Some cells ‘left behind’ from shoot apical meristem, constitute the axillary bud.

Such buds are present in the axils of leaves and are capable of forming a branch or a flower

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Three major classes of animal-cell junctions: 

1. Anchoring junctions

2. Tight junctions

3. Gap junctions

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Adherens junctions 

Adhesion type- Cell-cell

Principal CAMs- Cadherins

Cytoskeletal attachment- Actin filament

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Adherens junctions

functions as a tension cable that can internally brace the cell and thereby control its shape

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Desmosomes

Adhesion type- Cell-cell

Cytoskeletal attachment- Intermediate filaments

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The key CAMs in desmosomes are the desmosomal cadherins, desmoglein and desmocollin

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Desmosomes

Function- Strength, durability, signaling