Population doublings

1 topic · 2 sources

Stem Cell

The number of times cells growing in vitro have increased the total number of cells by a factor of 2 compared to the initial number of cells. Primitive streak: A band of cells appearing in the embryo at the start of the third week of development, that marks the axis along which the spinal chord develops.

The President's Council on Bioethics — The President's Council on Bioethics Glossary

A doubling in the number of cells when grown in culture.

DHHS — Stem Cells: Scientific Progress and Future Research Directions