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?
A) autocrine
B) paracrine
C) endocrine
D) neuroendocrine

Question

Quizplus · Accepted Answer

The scenario suggests that a chemical signal is secreted from the pancreas, which acts systemically throughout the body to stimulate appetite. This type of signalling is characteristic of endocrine signalling, where hormones are secreted into the bloodstream and travel to distant target tissues.

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