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. ...
The secretory vesicle is a vesicle that mediates the vesicular transport of cargo-e.g. hormones or neurotransmitters-from an organelle to specific sites at the cell membrane, where it docks and fuses to release its content.