If a portion of the pancreas is surgically removed from a rat and the rat subsequently loses its appetite, one explanation is that the removed portion contains cells that secrete a chemical signal that somehow stimulates appetite. Given this scenario, what type of chemical signalling is occurring?

Question

Quizplus · Accepted Answer

Endocrine signaling involves the release of hormones into the bloodstream to affect distant target cells, which aligns with the scenario where cells in the pancreas secrete a chemical (hormone) that influences appetite, a systemic effect.

If a Portion of the Pancreas Is Surgically Removed from a Rat