Final answer:
The medical term for the buildup of nitrogenous waste material in the blood is azotemia.
Step-by-step explanation:
The medical term for the buildup of nitrogenous waste material in the blood is azotemia.
Azotemia occurs when the kidneys are unable to properly filter waste products from the blood, leading to a buildup of urea and other nitrogenous waste materials. This condition can result from kidney disorders or other underlying health issues.