from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Exhibiting totipotency
from The Century Dictionary and Cyclopedia
- Exhibiting or characterized by totipotence.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. having the ability to give rise to unlike cells
Sorry, no etymologies found.
Studies of testicular teratomas showed that these tumours contain totipotent cells.
The first cells to arise from a fertilized ovum are described as totipotent ( "potent for everything").
But this whole idea that there are three different types of cells out there -- there are what as known as totipotent cells which come from the very earliest stages of an embryo -- they can develop into anything, including another human being.
These are so-called totipotent cells, meaning that they have ability to differentiate, or diversify, into any type of cell.
They have not usually been described as totipotent because, the inner cell mass having already differentiated from trophoblast, the cells of the inner cell mass were believed to be no longer able to give rise to the cells of the trophoblast.
That statement is also misleading since ASCs are limited because they are multipotent but not totipotent - they can form some, but by no means all of the different kinds of cells in the body.
While each somatic stem cell of the adult organism is committed to a certain line of differentiation, the early embryo contains stem cells that are totipotent, i.e. they give rise to all cell types in the developing organism.
Synopsis: The Scypha, a totipotent alien race who have left their home world named Chaos, offer humanity three habitable worlds to call their own in exchange for berth on the Great Ship.
Plant cells are also totipotent, which helps to explain why a graft of a plant can generate a whole new individual out of just a small branch cutting.
At this stage the cells are just at the very beginning of cellular differentiation and are said to be totipotent (See totipotency).