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The definition of a stem cell is not in question - it is a living cell taken from a living human that has the potential to become multiple different types of cells.
The controversy is over embryonic stem cells - stem cells extracted from embryos. The removal of these cells causes the embryo to become non-viable and die.
Some individuals feel this is acceptable - the embryos are not going to be implanted into a woman's uterus, so they are going to die anyway when they are discarded as medical waste. Further, the embryos are simply potential human life, but only if they are implanted into a uterus and carried through a nine-month pregnancy. At the time the stem cells are collected, the embryo is a potential human life, but does not have the same moral standing as a human adult. The information and potential treatments that can be derived from these tissues may save millions of lives.
Other individuals feel this is unacceptable - the harvesting of stem cells causes the embryo to die, thus becomes equated with murder. To these individuals, the embryo is morally the same as an adult human, with the attendant right to life and to not be destroyed involuntarily for medical research.
What else can I help you with?
How are stem cells and cancer cells different?
it is just different
What are cell called before they specialize?
Before cells specialize, they are called stem cells. Stem cells have the unique ability to develop into different types of cells within the body.
Where are the stem cells that replace old blood cells located in?
Stem cells are located in the bone marrow sometimes in different places.
Adult stem cells are as versatile as embryonic stem cells true or false?
False. Adult stem cells are more limited in their potential compared to embryonic stem cells. Embryonic stem cells have the ability to differentiate into many different cell types, whereas adult stem cells are usually more restricted in the types of cells they can become.
What are the types of stem cells?
There are five basic stem cells classifications there is embryonic stem cells, fetal stem cells. There are the Umbilical cord stem cells, placenta stem cells, and lastly there are adult stem cells.
How many different types of tissue stem cells are there?
There are three different types of tissue stem cells in the body. They include the tissue stem cells also known as adult stem cells, embryonic stem cells, and induced pluripotent stem cells.
How are stem cells and cancer cells different?
it is just different
What are groups of specialized cells that are organized to form a certain function called?
stem cells
What are unspecialized human cells called?
Unspecialized human cells are typically referred to as stem cells. These cells have the potential to develop into different types of cells in the body.
What are cell called before they specialize?
Before cells specialize, they are called stem cells. Stem cells have the unique ability to develop into different types of cells within the body.
What and where are stem Cells?
Stem cells are of different types and perform different functions e.g. stem cells present in bone marrow form new blood cells bu mitosis . In lower animals e.. Planaria stem cells present in body help in regeneration , such cell are called Neoblasrs and they are undifferentiated cells .
What organs do stem cells provide for?
Because stem cells are the undifferentiated cells, they are able to grow into many different kinds of organs.
Where are the stem cells that replace old blood cells located in?
Stem cells are located in the bone marrow sometimes in different places.
Define the word stem in stem cell?
Stem cells are cells that have the potential to develop into a variety of different cells e.g skin cells, nerve cells, blood cells etc. The word stem in "stell cell" is best pictured as the stem of a plant, where a variety of branches are able to develop from it.
Are there different kinds of stem cells?
yes
Why is a stem cell different to a normal cell?
stem cells are undifferentiated cells which could be totipotent as well as pluripotent.
What are different types of stem cells?
There are three types: totipotent, multipotent, and pluripotent. Totipotent: cells produced from the fusion of an egg and a sperm (embryo) Multipotent: cells that can give rise to a small number of different cell types--for example, bone marrow and brain contain this type Pluripotent stem: this type can produce almost all type of cells in the body; called 'true' stem cells I know there are Endothelial Progenitors, Germline Stem Cells, Hematopoietic Progenitors, Mesenchymal Stem Cells, Neural Stem Cells, Signaling Pathway, Embryonic Stem Cells, Cancer Stem Cells and Stem Cell Cytokines.
