hypoplasy
/haɪˈpɒləsi/Definitions
1. noun
A condition or state of being underdeveloped or smaller than normal, especially in relation to body parts or organs.
“The doctor diagnosed the infant with hypoplasy of the kidney, which would require surgical intervention.”
2. noun
A congenital anomaly characterized by abnormal development or underdevelopment of a body part or organ.
“The patient was born with a case of hypoplasy of the heart, which required ongoing medical care.”