Final answer:
Deep venous thrombosis (DVT) is the medical term for a blood clot that forms in the deep veins of the body, especially in the legs or thighs.
Step-by-step explanation:
The medical term for a blood clot that forms in the deep veins of the body, especially those in the legs or thighs, is deep venous thrombosis (DVT). DVT is a serious condition that can occur when blood flow becomes sluggish or stagnant, leading to the formation of a blood clot. It is also commonly referred to as a deep vein blood clot. DVT can be caused by factors such as venous stasis, vessel damage, or hypercoagulation.