表皮
biology
body
cell wall
compound
cortex
dark
design
dicot
division region
egg
embryonic body
embryonic root
endodermis
endosperm
figure
flower
head
illustration
leaf
lecture note
light
macro
megaspore
meiosis
mica
micro
mitosis
monocot
mother cell
natura
passage
pectin
phloem
plant
pollen
pollination
pool cell
region
root
seeds
simple
source cell
students
synergid cells
template
theca
water
xylem
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