If a stem cell divides symmetrically, have the ability to produce either two stem cells (increasing the stem cell pool by one) or two committed cells (decreasing the pool by one). This is called symmetrical renewing or symmetrical differentiating.

TLS Online TPP Program

#Id: 7226

#Unit 5. Developmental Biology

Relationship between TCR affinity and selection

TLS Online TPP Program

#Id: 7227

#Unit 5. Developmental Biology

T-cell education

TLS Online TPP Program

#Id: 7228

#Unit 5. Developmental Biology

Superantigens

Viral or bacterial proteins that bind simultaneously to the Vβ domain of a T-cell receptor and to the α chain of a Class II MHC molecule

TLS Online TPP Program

#Id: 7229

#Unit 5. Developmental Biology

Lineage commitment

TLS Online TPP Program

#Id: 7230

#Unit 5. Developmental Biology

Three signals are required for activation of a naïve T cell

TLS Online TPP Program

#Id: 7231

#Unit 5. Developmental Biology

Regulatory T cells inactivate traditional T cells