A bioelectric field was a type of energy field produced by lifeforms.
Focal points of the bioelectric field were called chakras by the Indians of ancient Earth and qui'lari by Vulcans. In Humans, one such focal point was located in the foramen magnum and another one roughly around the temples. The non-corporeal being Onaya claimed to be capable of stimulating these points in order to make a Human restful, energized or creative. (DS9: "The Muse")
Members of Species 8472 generate a bioelectric field that render them impervious to sensors. Because of this, it is difficult to achieve a transporter lock on them. (VOY: "Scorpion", "Prey")
The nanoprobes from Borg drones produce an artificial bioelectric field, coordinated by their cranial implants, that allows them to pass through force fields. Despite her removal from the Collective, Seven of Nine still retained enough Borg technology within her body to activate this ability and escape from a cell on the USS Dauntless in 2374. (VOY: "Hope and Fear")