transcription, транскрипция: [ noun ]
Date: 1705
: a cardiac valve consisting of two triangular flaps which allow only unidirectional blood flow from the left atrium to the ventricle — called also bicuspid valve
MITRAL VALVE
Meaning of MITRAL VALVE in English
Merriam-Webster's Collegiate English vocabulary. Энциклопедический словарь английского языка Merriam Webster. 2003