subcornual
/ˌsʌbˈkɔrnjuəl/Definitions
1. adjective
relating to or situated below the cornu of an organ or structure
“The subcornual portion of the uterus played a crucial role in the development of the embryo.”
2. noun
a part or region situated below the cornu of an organ or structure
“The subcornual recess of the heart contained a significant amount of blood.”