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A European Union 6th Framework funded project with €2.5 million funding over 3 years

 

Glossary

Check out also : A glossary for stem-cell biology Nature, 441, 1060

 

adipocytes
Muscle-forming cells.
adult (somatic) stem cell
Special 'template' cells found in tissues such as bone marrow, skin or muscle. They can differentiate to make a specific range of specialised cells
bioimpedence
Measures the resistance to the flow of electrical current through various tissues of the body and can be used to measure the density of bone or bone substitutes
bioinformatics
The range of approaches that are used to further biological understanding, such as statistical techniques, database analysis and algorithms
bioreactor
A laboratory system in which cells can be cultured for use in tissue engineering
bone
The hard skeleton that forms the structure of the body, composed of calcium phosphate and calcium carbonate
bone marrow
A sponge-like tissue filling the inner cavities of bones
cardiomyocytes
Heart muscle-forming cells
cartilage
Firm, rubbery tissue that cushions bones at joints
chondrocytes
Cartilage-forming cells
chromosome
Pairs of structures within cells made of DNA
confluent monolayer
An unbroken layer of cells, one cell thick
density gradient centrifugation
A method for separating materials of differing densities that involves spinning them at high speed
differentiation
When 'template' cells begin to specialise to become specific types of cells
DNA
Deoxyribonucleic acid is the genetic material in humans
embryoid body
Spheroid colonies of mixed cell types produced when embryonic stem cells are grown in suspension. Their composition and the development of the embryoid body is similar to early embryonic development
embryonic stem cell
Totipotent stem cells taken from early embryos (<5 days)
embryonic stem cell line
Embryonic stem cells that are encouraged to self-renew but not differentiate
epidermal stem cell
A stem cell from the skin able to produce hair follicle, epidermal or sebaceous gland tissue
feeder layer
A layer of animal derived cells upon which embryonic stem cells can be grown
haematopoietic stem cell
Stem cells found in blood and bone marrow that can differentiate into a limited range of specialised cells
immune privileged
The characteristic of some areas of the body to protect themselves from the standard immune response where this might be detrimental to their critical function eg. the eyes
in vitro
Describing a process carried out in the laboratory, reflecting a similar process that occurs inside the body.
in vivo
Describing a process that occurs inside the body.
markers
Chemicals produced when certain types of cell are present. These can be tested for to confirm or deny the presence of a particular kind of cell
mesenchymal stem cell
Stem cells found in bone marrow that can differentiate to become bone, cartilage or other connective tissues
molecular biology
Studying biology at the level of molecules, particularly the interactions within cells
mononuclear fraction
The fraction of bone marrow or umbilical cord blood, obtained by centrifugation, that contains mesenchymal stem cells. MSCs adhere to plastic allowing them to be separated from other cell types in the mononuclear fraction.
multipotent
The ability of a stem cell to differentiate into a limited range of cells
neural stem cell
Stem cell found in the brain that can differentiate into a range of nervous system cells
osteoblast
Bone-making cells, producing a porous matrix that becomes hard when it is mineralised
osteoclast
Cells that break down bone. The relative activity of osteoblasts and osteoclasts determine the overall bone mass at any one time
osteocyte
A bone cell
phenotype
The characteristics of an organism that you can see, such as appearance and biochemistry
plasticity
The potential of stem cells from one type of tissue to differentiate into cells of another tissue type
pluripotent
The potential of later embryonic stem cells (>5 days) to differentiate to become nearly all other types of cell
progenitor cell
A cell formed during the initial stages of differentiation of stem cells that defines the differentiation pathway
proteomics
The use of large scale protein separation and identification techniques to study the complete set of proteins in the body
RNA
Ribonucleic acid is formed from DNA and is used as the template for the generation of proteins
scaffold
Support material for tissue engineering
scale-up
The process of transferring a biological procedure that works in a laboratory up to a scale suitable for wider-scale therapeutic use
self-renewal
The ability of stem cells to reproduce themselves indefinitely
stem cell
A blank 'template' cell that has the ability to replicate itself indefinitely, and can also differentiate to become specialised cell types
telomere
The two ends of a chromosome that regulate the ability of cells to renew and differentiate
telomerase
An enzyme that is involved in the formation, maintenance and renewal of telomeres
tissue engineering
The use of living cells as engineering materials to replace, repair or maintain tissues within the body
totipotent
The potential of early embryonic stem cells (<5 days) to differentiate to become all other types of cell
transcription
The 'reading' of DNA to produce an RNA template for making proteins
transcriptomics
The study of the RNA transcripts produced from DNA
transdifferentiation
The differentiation of a stem cell from one type of tissue into another cell type entirely
umbilical cord blood
Blood taken from the umbilical cord after birth. A useful source of hematopoietic stem cells

 



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