Last Updated：2025/12/29
Sentence
Scientists
have
grown
miniature
human
brains
in
test
tubes,
creating
a
"tool"
that
will
allow
them
to
watch
how
the
organs
develop
in
the
womb
and,
they
hope,
increase
their
understanding
of
neurological
and
mental
problems.
¶
Just
a
few
millimetres
across,
the
"cerebral
organoids"
are
built
up
of
layers
of
brain
cells
with
defined
regions
that
resemble
those
seen
in
immature,
embryonic
brains.
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Scientists have grown miniature human brains in test tubes, creating a tool
that will allow them to watch how the organs develop in the womb and, they hope, increase their understanding of neurological and mental problems. ¶ Just a few millimetres across, the cerebral organoids
are built up of layers of brain cells with defined regions that resemble those seen in immature, embryonic brains.
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