In the initiation of the vertebrate eyes, paired regions of the brain bulges (optic vesicles, act as inducer) out and approach the surface ectoderm (act as responder) of the head.

TLS Online TPP Program

#Id: 1921

#Unit 4. Cell Communication and Cell Signaling

B cells can be negatively signaled through CD22 and FcγRIIb a receptor that recognizes the presence of IgG containing immune complexes in the blood.

TLS Online TPP Program

#Id: 1922

#Unit 4. Cell Communication and Cell Signaling

B-10 B cells release the interleukin IL-10 upon antigenic stimulation, and may serve to reduce inflammation during an ongoing immune response.

TLS Online TPP Program

#Id: 1923

#Unit 4. Cell Communication and Cell Signaling

The term complement refers to a set of serum proteins that cooperates with both the innate and the adaptive immune systems to eliminate blood and tissue pathogens. 

TLS Online TPP Program

#Id: 1924

#Unit 4. Cell Communication and Cell Signaling

Proteins Involved in the Complement System

TLS Online TPP Program

#Id: 1925

#Unit 4. Cell Communication and Cell Signaling

The Major Pathways of Complement Activation

TLS Online TPP Program

#Id: 1926

#Unit 4. Cell Communication and Cell Signaling

Classical Pathway