| 释义 |
his·to·gen
\-təjə̇n, -ˌjen\ noun
(-s)
Etymology: International Scientific Vocabulary hist- + -gen
: a zone or clearly delimited region of primary tissue in or from which the specific parts of a plant organ are believed to be produced — see dermatogen, periblem, plerome; histogen theory; compare calyptrogen, corpus, tunica |