Table 1.

Components of microfibrillated cellulose

Diameter (μm)	Biological structures	Technological terms
10 to 50	Tracheid	Cellulose fibre
<1	Macrofibrils [13,17,28]	Fibrillar fines, fibrils [29,30]
<0.1		Nanofibril, nanofibres [6,8,16,34]
<0.035	Microfibril [13,15]
0.0035	Elementary fibril [12-15]

Terms and sizes according to terminology and morphology reported in the literature.