There's deep tissue infection here. Not good.

这儿有深部感染。不太好。

When placed directly onto muscle, it can provide a form of deep tissue massage.

当直接放在肌肉上时，它可以提供一种深层的组织按摩。

So, a quick recap: A deep vein thrombosis is a blood clot found in the deep tissue, particularly in the lower leg.

深静脉血栓指的就是在深静脉中发现血凝块，尤其是在下肢。