Table 1.

Ultrasound velocity in different human tissues

Tissue	Frequency	velocity	Temp
	[MHz]	[m/s]	[°C]
Skin
Breast	10.0	1642	27
Face	10.0	1570	27
Fat	2.0	1476	35
Blood	7.5	1586	37
Liver	10.0	1608	37
Bone	0.1	3375	37

Adapted from Goss et al. [9] and Escoffier et al. [10]