英文翻译: Chalaza 英文解释: The part of an ovule or seed where the integuments are connected to the nucellus, at the opposite end from the micropyle.
高等植物.胚珠内珠心基部与珠被连合部分称合点.由胎座进入珠柄中的维管束经合点,通向胚珠内部