Correct Option: C

Tissue culture is the growth of tissues or cells separate from the organism. This is typically facilitated via use of a liquid, semi-solid, or solid growth medium, such as broth or agar. Tissue culture commonly refers to the culture of animal cells and tissues, with the more specific term plant tissue culture being used for plants. In modern usage, tissue culture generally refers to the growth of cells from a tissue from a multicellular organism in vitro.