Stem Cells

Stem cells can be transformed into other types of cells and replace diseased cells in the body. For example, scientists are working on a way to replace nerve cells damaged by Parkinson's disease.

Assuming this is an "if" and not "when" question, every multicellular organism that exhibits embryonic development has stem cells. In embryonic formation, there are undifferentiated cells (stem cells) that accumulate until they are assigned instructions from the newly combined DNA. At this point they become differentiated and develop into multiple tissues.

In humans, stem cells function in the humoral response. I have no knowledge of insect immunology, but I assume they also have stem cells that function in the immune system.

Similarities: They both have 2 types of stem cells

Differences: Apical meristem increases length and lateral increases width whereas in animals they become specialized cells to increase the efficiency of the systems in the body. in plants apical and lateral meristems can differentiate into any kind of cell whereas in animals only embryonic stem cells can do that not tissue stem cells.

Some common cryoprotectants used for embryonic stem cells include dimethyl sulfoxide (DMSO), glycerol, and ethylene glycol. These cryoprotectants help protect the cells from damage during the freezing and thawing process by reducing ice crystal formation and cellular osmotic stress.

One disadvantage of using 10 percent formal-saline in fixation is that it may lead to tissue shrinkage and hardening, which can affect the quality of histological staining and make it difficult to analyze cellular structures accurately. Additionally, formaldehyde is a potential carcinogen and exposure to its fumes can pose health risks to laboratory personnel if not handled properly.

No, humans cannot live without stem cells. Stem cells are crucial for the growth, repair, and maintenance of tissues in the body. They play a vital role in replenishing cells and tissues continuously throughout life.

Red blood cells are constantly being replaced in the bone marrow through a process called erythropoiesis. This process is controlled by the hormone erythropoietin, which signals the bone marrow to produce more red blood cells when levels are low. Old or damaged red blood cells are removed by the spleen and liver.

To understand potency we jave to know that the Potency of a stem cell relates to its ability to differentiate. Currently the most potent cell lines are:

• Totipotent stem cells that can differentiate into embryonic and extraembryonic cell types.

• Pluripotent cells can differentiate into nearly all cells.

• Multipotent cells can differentiate into a number of cells, but only those of a closely related family of cells

• Oligopotent cells can differentiate into a few cell types like myeloid stem cells

• Unipotent cells can only produce one cell type, themselves.

source:http://stemcellthailand.org/differentiation/

B cells and T cells both originate from the haematopoietic (or hematopoietic) stem cells located in the bone marrow.

T cells mature in the thymus. B cells mature in the secondary lymphoid tissues (such as the spleen).

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.

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In the bone marrow. Hematopoietic stem cells, located in the bone marrow, have the ability to differentiate into all types of blood cells, including lymphocytes. This process is crucial for replenishing the body's immune cells, such as T cells, B cells, and natural killer cells.

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I have done pretty extensive research recently and as far as I am aware, they aren't more useful. In fact, they are destructive; Embryonic Stem Cells are almost completely unusable due to a nasty Tumor causing side affect. They might be more researched due to the high quantity available, but Induced Pluripotent Stem Cells and Adult Stem Cells are the only types of Stem Cells that can be actively used.

Red blood cells originate in the bone marrow from hematopoietic stem cells called hemocytoblasts. These stem cells differentiate into erythroblasts, which eventually turn into mature red blood cells. The process of red blood cell production is known as erythropoiesis.

Stem cells themselves are not harmful to people. In fact, they hold great potential for regenerative medicine and treating various diseases. However, if not used properly or in the wrong context, such as unregulated stem cell treatments or when they proliferate uncontrollably (as in cancer), they could cause harm.

Yes. Stem cells can change into any other cell, through a process called "differentiation" However, adult stem cells are less likely to do so, as opposed to embryonic stem cells that can differentiate readily

No, red blood cells are produced in the bone marrow, specifically in the spongy tissue found in the cavities of bones. The heart pumps oxygenated blood throughout the body but does not play a role in the production of red blood cells.

Neutrophils of the blood are derived from a population of stem cells called hematopoietic stem cells. These stem cells are located in the bone marrow and have the ability to differentiate into various types of blood cells, including neutrophils.

Embryonic layers are the three primary layers of cells in the early embryo that give rise to all the tissues and organs in the body. These layers are the ectoderm (outer layer), mesoderm (middle layer), and endoderm (inner layer). During development, these layers differentiate and specialize to form various structures in the body.

Potential sources of embryonic stem cells include excess embryos from in vitro fertilization procedures, donated embryos from fertility clinics, and embryos created through somatic cell nuclear transfer (therapeutic cloning). These stem cells are used in research to study development and disease, as well as in potential treatments for conditions like spinal cord injuries and diabetes.

Stem cells in a fetus mature in the yellow bone marrow.

Yes, stem cells can be obtained from bone marrow. Bone marrow contains hematopoietic stem cells that have the ability to generate different types of blood cells. These stem cells can be used for various medical treatments, such as bone marrow transplants for patients with certain blood disorders or cancers.

1. Embryonic stem cells can be obtained from early-stage embryos.
2. Adult stem cells are found in various tissues throughout the body, such as the bone marrow or brain.
3. Induced pluripotent stem cells are created by reprogramming adult cells, like skin cells, to develop stem cell properties.

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