chorisis [
'kɔ:risis]
[医] 分离
Chorisis \Cho"ri*sis\, n. [NL., fr. Gr. ? separation.] (Bot.)
The separation of a leaf or floral organ into two more parts.
Note: In collateral chorisis the parts are side by side. --
In parallel or median chorisis they are one in front of
another.