secretion

https://doi.org/10.1351/goldbook.16079
  1. Process by which a substance such as a hormone or enzyme produced in a cell is passed through a plasma membrane to the outside, for example, the intestinal lumen or the blood (internal secretion).
  2. Solid, liquid, or gaseous material passed from the inside of a cell through a plasma membrane to the outside as a result of cell activity.
Source:
PAC, 2007, 79, 1153. (Glossary of terms used in toxicology, 2nd edition (IUPAC Recommendations 2007)) on page 1307 [Terms] [Paper]