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Stem Cells
Different kinds of cells
Learning Objectives
• stem cells are unspecialised cells found
in embryos and in some adult tissues
such as bone marrow
• stem cells have the potential to
differentiate into different types of
specialised cells
At the end of the lesson you
should be able to:
• describe what stem cells are and their location in
• describe how stem cells have the potential to
treat sick people
• If it’s highlighted in RED you need to know it –
so write it down!
• Most adult cells in the body have a particular purpose
which cannot be changed – They are specialised.
• Stem Cells are different:
• They are still at an early stage of development and retain
the potential to become many different types of cell.
Two types of Stem Cell
• Embryonic Stem Cells
– Easy to grow large numbers in culture
– They have the ability to become virtually any type of
cell in the body
• Adult Stem Cells
– Found in organs
– Maintain the organ by repairing any damage
– Their potential to become different types of cell is
more limited
Stem Cell “Repair Kit”
• Scientists are researching ways Stem Cells can
be used as a kind of “super repair kit”
• Some of the conditions that may eventually be
treated using Stem Cell Therapy include:
– Parkinson’s Disease, Alzheimer’s Disease, Heart
Disease, Stroke, Arthritis, Diabetes, Burns, and
Spinal Cord Damage.
Arguments For and Against the
use of Stem Cells
FOR the use of All
Stem Cells
FOR the use of
Adult Stem Cells
AGAINST the use
of All Stem Cells