Stem cells Flashcards

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1
Q

stem cells

A

how each cell begins.

can be unspecialised and cable of renewability

undifferentiated cells with capacity or the capability of differentiating into specialised cells.

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2
Q

self renewal

A

stem cells can replicate without getting rid of their ability to differentiate. They do this by producing both a differentiated cell and a copy of themselves when they replicate

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3
Q

potency in stem cells

A

the capacity to tell the difference between cell types.

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4
Q

totipotent

A

totipotent cells are cells that can be differentiated into any type of cell they want or need.

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5
Q

example of totipotent cells

A

zygote

the first cell produced is a zygote. they are formed once an egg or sperm cell has been fertalised so that a fetus can be built.

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6
Q

pluripotent

A

a form of stem cell that can be differentiated into multiple types of cells.

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7
Q

example of pluripotent

A

Embryonic stem cells.

these are found in the early stages of a developing embryo. These cells have the ability to differentiate themselves into any type of cell of the body with an exception of the placenta.

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8
Q

mutlipotent

A

stem cells that can only differentiate into a limited number of specialised cells that belong to a tissue or organ that is specific

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9
Q

multipotent example

A

Bone marrow

this contains bloodstream cells that can differentiate into a variety of blood cells. For example red blood cells.

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10
Q

differenatiation

A

..

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11
Q

ectoderm

A

skin, nervous system

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12
Q

mesoderm

A

muscle, blood, bone

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13
Q

endoderm

A

lung, gastrointestinal.

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