Animal model of partial patellectomy in 16 mature female New Zealand White rabbits (18-week-old) were established and randomly classified into 2 groups.
For relationship of projecting part of forehead to sex and age, most of male H. armiger(72%) has projecting p art of forehead, but some of female (21.1%) has it too .
The content of flavanone and lactone in leaf and the leaf output were studied by randomizing block arrangement of 31 gingko female varieties (strain) and 4 staminiferous plant type single clone.