Glossary: Stem Cell Terms and Definitions


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There are 6 names in this directory beginning with the letter B.
B-lymphocytes (B cells: bone marrow - or bursa-derived cells) are a type of white blood cell of the lymphocyte subtype.B cells are the major cellular components of the adaptive immune response. B cells are primarily responsible for humoral immunity (relating to antibodies).

Beta-cell - cells that make insulin, a hormone that controls the level of glucose (a type of sugar) in the blood. Beta cells are found in the pancreas within clusters of cells known as islets.

A blastocyst is an embryo that has been left to develop until day 5 or 6 and presents a complex cellular structure formed by approximately 200 cells.

Bone marrow
Bone marrow is the spongy tissue inside some of your bones, such as your hip and thigh bones. It contains a huge number of stem cells.

Bone marrow cell
Bone marrow cell. Bone marrow contains two types of stem cells: hemopoietic (which can produce blood cells) and stromal (which can produce fat, cartilage, and bone).

Bone marrow transplant
Bone marrow transplant is a medical procedure performed to replace bone marrow that has been damaged or destroyed by disease, infection, or chemotherapy. This procedure involves transplanting blood stem cells, which travel to the bone marrow where they produce new blood cells and promote the growth of new marrow.