Recirculation of Urea from the Collecting Duct to the Loop of Henle Contributes to Hyperosmotic Renal medullary interstitium and formation of concentrated urine

TLS Online TPP Program

#Id: 10494

#Unit 4. Cell Communication and Cell Signaling

FasL on the cytotoxic T cell binds to its receptor, the Fas protein on the tumor cells, an apoptotic signaling pathway in the tumor cells becomes activated, which leads to tumor cell death.

TLS Online TPP Program

#Id: 10495

#Unit 4. Cell Communication and Cell Signaling

Apoptosis 

genetically regulated process

Cell destroys itself (programmed cell death)

marked by the breakdown of cell components

TLS Online TPP Program

#Id: 10496

#Unit 4. Cell Communication and Cell Signaling

TLS Online TPP Program

#Id: 10497

#Unit 4. Cell Communication and Cell Signaling

Necrosis

occurs when cells are subjected to injury or excessive stresses, such as heat, absence of oxygen, or infection

by pathogens & marked by swelling and bursting of cells with release of their contents.

TLS Online TPP Program

#Id: 10498

#Unit 4. Cell Communication and Cell Signaling

Necroptosis

A type of necrosis triggered by extracellular hormones that causes inflammation

TLS Online TPP Program

#Id: 10499

#Unit 4. Cell Communication and Cell Signaling

Anoikis 

Excess cells may also be extruded from epithelial layers, by a mechanically regulated process that can cause detachment and the loss of trophic survival signals