Ecosystem replacement - replaces the original community with a different one

TLS Online TPP Program

#Id: 6527

#Unit 7. System Physiology – Animal

The pancreas is composed of two major types of tissues, as: 

the acini

the islets of Langerhans

TLS Online TPP Program

#Id: 6528

#Unit 7. System Physiology – Animal

Insulin, 

synthesized and secreted 

by the β cells

TLS Online TPP Program

#Id: 6529

#Unit 7. System Physiology – Animal

Insulin has an AB heterodimer structure with 

One intrachain (A6-A11) 

Two interchain disulfide bridges (A7-B7 and A20-B19)

TLS Online TPP Program

#Id: 6530

#Unit 7. System Physiology – Animal

TLS Online TPP Program

#Id: 6531

#Unit 7. System Physiology – Animal

Insulin secretion by the pancreatic beta cells in response to increased blood glucose concentration

TLS Online TPP Program

#Id: 6532

#Unit 7. System Physiology – Animal

The beta cells have a large number of glucose transporters that permit a rate of glucose influx that is proportional to the blood concentration in the physiological range