SAT (SATs plural) The SAT is an examination which is often taken by students who wish to enter a college or university. SAT is an abbreviation for `Scholastic Aptitude Test'. (AM) n-proper Sat. Sat. is a written abbreviation for Saturday. sat. Sat is the past tense and past participle of sit.
Secrete is defined as to hide, or to produce and release a liquid. 1  An example of secrete is to put the house key in a secret location. 2  An example of secrete is for the body to produce sweat.
Definition. noun, plural: secretions. (1) The physiological process of synthesizing and eventually releasing substances from the interior of a cell to its exterior. (2) The substance secreted. Supplement. In eukaryotes, cells primarily involved in secretion have well-developed endoplasmic reticulum and Golgi apparatus. Secretion may also occur without involving the classical ER-Golgi pathway. Examples are blebbing, lysosomal secretions, etc. In humans, the glands comprised mainly of secretory cells are responsible for the production and release of substances essential to different bodily functions.