What is resilience? Used differently by a range of fields from psychology to engineering, resilience has no single widely accepted definition. The concept typically connotes an ability to âbounce backâ from a stress or disturbance, potentially returning to a pre-stress norm or a transformed post-stress condition.
a chemical transmitter substance produced by cells of the body and transported by the bloodstream to the cells and organs on which it has a specific regulatory effect. adj., adj hormoÂ´nal. Hormones act as chemical messengers to body organs, stimulating certain life processes and retarding others.
Signals Travel Into Cells. Cells communicate by sending and receiving signals. Signals may come from the environment, or they may come from other cells. In order to trigger a response, these signals must be transmitted across the cell membrane.Sometimes the signal itself can cross the membrane.ignals Travel Into Cells. Cells communicate by sending and receiving signals. Signals may come from the environment, or they may come from other cells. In order to trigger a response, these signals must be transmitted across the cell membrane.