miosis
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miosis Definition
(n) (
genetics
)
cell
division
that
produces
reproductive
cells
in
sexually
reproducing
organisms
;
the
nucleus
divides
into
four
nuclei
each
containing
half
the
chromosome
number
(
leading
to
gametes
in
animals
and
spores
in
plants
)
(n)
reflex
contraction
of
the
sphincter
muscle
of
the
iris
in
response
to
a
bright
light
(
or
certain
drugs
)
causing
the
pupil
to
become
smaller
miosis Synonyms
light reflex
meiosis
miosis
myosis
pupillary reflex
reduction division
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