Cleavage

Cleavage may refer to:

==Science== Cleavage (crystal), the way in which a crystal or mineral tends to split Cleavage (embryo), the division of cells in an early embryo Cleavage (geology), foliation of rock perpendicular to stress, a result of ductile deformation Cleave (fiber), a controlled break in an optical fiber Bond cleavage, in chemistry and biochemistry, the splitting of chemical bonds Cleavage factor, a protein complex that helps cleave of a newly synthesized pre-messenger RNA (mRNA) Cleavage furrow, in cell biology, the indentation that begins the process of cleavage, by which animal cells undergo cytokinesis Proteolysis, also called peptide cleavage, the breaking down of proteins