1. in man, the part of the body from the neck to the bottom of the spine. 2. in animals, the upper part of the body. of or at the back. the back door. 1. to, or at, the place or person from which a person or thing came.
secrete definition: Secrete is defined as to hide, or to produce and release a liquid. (verb) An example of secrete is to put the house key in a secret location. An example of secrete is for the body to produce sweat. ...
1. secretin-a gastrointestinal hormone that stimulates the secretion of water and bicarbonate from the pancreas and bile ducts whenever the stomach empties too much acid into the small intestine. gastrointestinal hormone, GI hormones-hormones that affect gastrointestinal functioning. 1  Facebook.